Static Air Atmosphere Research Articles

PROTECTION OF ATMOSPHERIC AIR AND AIRSPACE OF UKRAINE: LEGAL, REGULATORY, ENVIRONMENTAL AND ECONOMIC ASPECTS

The study uses general scientific and special methods, the main of which are: abstract-logical, deductive, inductive, historical, modelling and forecasting, methods of system-structural, system-functional analysis, economic and statistical (grouping, comparison, etc.). The use of system analysis methods made it possible to structure the constituent elements of the regulatory and legal support of public administration in the field of protection of atmospheric air and airspace of Ukraine. The purpose of the article is to characterise the protection of atmospheric air and airspace of Ukraine in the regulatory, legal, environmental and economic aspects. It is determined that the regulatory framework for regulating the principles of atmospheric air safety is a component of the mechanism for ensuring environmental safety. The article emphasises that for the first time the principles of environmental safety were enshrined in the Declaration of State Sovereignty of Ukraine, where the principles of environmental safety were established at the level of a separate section. It is emphasised that the functional content of the administrative and legal protection of atmospheric air includes: ensuring air pollution within the limits of the maximum permissible emission standards in order to ensure the right of a person to a safe and quality environment; greening of production; introduction of ecological fuel quality standards; greening of the energy cluster of the economy, including through the introduction of the principles of decentralisation of the country's energy system; establishment of information interaction between the participants of legal relations in order to ensure the transparency of economic activities related to environmental pollution; formation of a high level of environmental legal awareness, etc. The article draws a conclusion that ensuring proper quality of atmospheric air is a component of the mechanism for ensuring environmental safety. The authors underline that the understanding of the system of regulatory and legal regulation of atmospheric air and airspace protection should be functionally aimed at ensuring compliance with environmental standards for the operation of such facilities in accordance with economic feasibility and social justification. The paper concludes that atmospheric air safety and airspace safety are part of the national security system, where the former is a component of environmental safety and the latter is a component of state security, and should be understood as the state of atmospheric air and the integrity of the air environment, for which physical, chemical and biological properties are established which create favourable and sufficient conditions for the vital activity of people and settlements.

Problems of the management of habitat monitoring in settlements (ports) of the Northern Sea Route

Introduction. The Northern Sea Route (NSR) is the main Arctic shipping route in the Russian Federation. As part of the development of Arctic infrastructure, the state and private investors have launched large-scale work on the development of Arctic ports. The purpose of the study was to evaluate the current monitoring system for the state of atmospheric air, soil, and drinking water in the territory of settlements (ports) in the Northern Sea Route. Materials and methods. Official data from environmental pollution monitoring by (Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) and social and hygienic monitoring by Federal Service for Supervision in Protection of the Rights of Consumer and Man Wellbeing (Rospotrebnadzor) in twelve settlements and ports in the Northern Sea Route were used. An electronic database has been created. The analysis was carried out using MS Office Excel, visualization of the location of monitoring points – ESRI ArcGIS 9.3 Results. The conducted research has shown heterogeneity in the management of monitoring of environmental factors of the population living in settlements (ports) of the NSR. The largest monitoring coverage is typical for settlements in the North-West – primarily the cities of Murmansk and Arkhangelsk, where the largest number of posts are located and all environments are monitored – atmospheric air, soil of populated areas and drinking water. There is practically no monitoring of the habitat in the village of Sabetta, Dudinka. In the village. Dixon habitat monitoring is not carried out. Atmospheric air, the quality of which is especially important for territories with developed port infrastructure, is controlled only in 5 out of 12 settlements (ports) of the NSR. Limitations. The research had no limitations. Conclusion. The need to optimize the monitoring system was noted. As measures, it is recommended to manage monitoring of atmospheric air, drinking water, and soil in the village. Dixon; atmospheric air and soil in the village. Sabetta and Dudinka; atmospheric air in Beringovsky village, Igarka, Providence village; soil in Tiksi village. It is necessary to expand the list of controlled indices in atmospheric air, drinking water and soil, as well as increase the frequency of sampling.

Vertical thermal environment investigation in different urban zones (LCZ4/LCZ6/LCZA) and heat mitigation evaluation: Field measurements and numerical simulations

Urban heat island (UHI) effect has become a main urban environmental problem in megacities. To express the UHI effects more meaningfully and provide scientific basis for heat mitigation and urban planning, both field measurements and numerical simulations were conducted in Xi'an City, China. Three typical urban local climate zones (LCZs) with close geographical locations—high-rise/low-rise residential areas (LCZ4/6) and urban parks (LCZA)—were chosen to investigate thermal environments in vertical spaces. It was found that UHILCZ6/4−LCZA could reach 1.2/2 °C during the daytime and 0.3/0.7 °C in the night at screen-level height. In particular, temperature inversions were found in residential areas during the daytime, which led to an increase in the UHI intensity at certain heights. To investigate means to improve the thermal environment of residential areas, numerical simulations were carried out to test the influence of cool roofs and cool facades. It was found that the daytime air temperatures could be reduced by 0.2 °C and 0.4 °C after adopting high-reflectance roofs and facades in high-rise residential area at screen-level height, respectively. In addition, the implementation of cool facades also affected the air temperature profiles and atmospheric conditions, leading to the disappearance of temperature inversions and complicated stratification, and providing more evident cooling effects at certain heights. The findings of this study provide new insights into thermal environments of urban zones with different structures and have practical importance for urban UHI mitigation.

ANALYSIS OF THE PROSPECTS OF APPLICATION OF NATURAL GAS LEAK DETECTION METHODS TO INCREASE THE EFFICIENCY OF ATMOSPHERIC AIR MONITORING AT HTS FACILITIES

The activities of the oil and gas industry enterprises, in particular the objects of gas transportation systems (GTS), are accompanied by a significant anthropogenic impact on the environment. The atmospheric air itself is significantly affected, since many technological processes are accompanied by emissions of natural gas (organized, unorganized and emergency) and, as a result, a significant amount of volatile substances, many of which are dangerous and harmful, enter the atmosphere. There is a wide range of methods for detecting gas leaks from elements of gas transportation systems. Ways of classifying methods directly depend on the features that form the basis of their distribution. However, the insufficient definition of the classification features, their "one-sidedness" do not allow a full assessment of the shortcomings and advantages of certain methods and means, and, therefore, the possibility of their application to increase the effectiveness of atmospheric air monitoring at HTS facilities in order to ensure environmental safety. The main tasks solved in this article are the formulation of the optimal classification of existing methods of controlling the presence of gas leaks in terms of applicability in environmental monitoring systems of atmospheric air; analysis of their advantages and disadvantages; substantiation of the expediency and perspective of using these means and methods to ensure constant monitoring of the state of atmospheric air at GTS facilities. A classification of methods and means of control is proposed based on the level of application of technical means, according to which all methods are divided into organoleptic, hardware and computational (software-mathematical). According to the results of the analysis of the data of the groups, it was determined that, from the point of view of the prospects of application in the atmospheric air quality monitoring systems at the GTS facilities, hardware means, namely gas analyzers, have the most advantages.

Aerosol-PM2.5 Dynamics: In-situ and satellite observations under the influence of regional crop residue burning in post-monsoon over Delhi-NCR, India

The increasing air pollution in the urban atmosphere is adversely impacts the environment, climate and human health. The alarming degradation of air quality, atmospheric conditions, economy and human life due to air pollution needs significant in-depth studies to ascertain causes, contributions and impacts for developing and implementing an effective policy to combat these issues. This work lies in its multifaceted approach towards comprehensive understanding and mitigating severe pollution episodes in Delhi and its surrounding areas. We investigated the aerosol dynamics in the post-monsoon season (PMS) from 2019 to 2022 under the influence of both crop residue burning and meteorological conditions. The study involves a broad spectrum of factors, including PM2.5 concentrations, active fire events, and meteorological parameters, shedding light on previously unexplored studies. The average AOD550 (0.79) and PM2.5 concentration (140.12 μg/m³) were the highest in 2019. PM2.5 was higher from mid-October to mid-November each year, exceeding the WHO guideline of 15 μg/m³ (24 h) by 27–34 times, signifying a public health emergency. A moderate to strong correlation between PM2.5 and AOD was found (r = 0.65) in 2021. The hotspot region accounts for almost 50% (2019), 47.51% (2020), 57.91% (2021) and 36.61% (2022) of the total fire events. A statistically significant negative non-linear correlation (r) was observed between wind speed (WS) and both AOD and PM2.5 concentration, influencing air quality over the region. HYSPLIT model and Windrose result show the movement of air masses predominated from the North and North-West direction during PMS. This study suggest to promotes strategies such as alternative waste management, encouraging modern agricultural practices in hot-spot regions, and enforcing strict emission norms for industries and vehicles to reducing air pollution and its detrimental effects on public health in the region and also highlights the need for future possibilities of research to attract the global attention.

Highly Efficient PtSn/Al2O3 and PtSnZnCa/Al2O3 Catalysts for Ethane Dehydrogenation: Influence of Catalyst Pretreatment Atmosphere

Increased demand for ethylene has motivated direct ethane dehydrogenation over Pt-based catalysts. PtSn/γ-Al2O3 and PtSnZnCa/γ-Al2O3 catalysts were investigated with the aim of understanding the effect of the pretreatment environment on the state of dispersed Pt for ethane dehydrogenation. The catalysts were prepared by the impregnation method and pretreated in different environments like static air (SA), flowing air (FA), and nitrogen (N2) atmospheres. A comprehensive characterization of the catalysts was performed using Brunauer–Emmett–Teller (BET), X-ray diffraction (XRD), Temperature-Programmed Reduction (TPR), NH3 Temperature-Programmed Desorption (NH3-TPD), X-ray photoelectron spectroscopy (XPS), and Transmission Electron Microscopy (TEM) techniques. The results reveal that the PtSn on Al2O3 catalyst pretreated in the static air environment (PtSn-SA) exhibits 21% ethylene yield with 95% selectivity at 625 °C. XPS analysis found more platinum and tin on the catalyst surface after static air treatment. The overall acidity of the catalysts decreased after thermal treatment in static air. Elemental mapping demonstrated that Pt agglomeration was pronounced in catalysts calcined under flowing air and nitrogen. These factors are responsible for the enhanced activity of the PtSn-SA catalyst compared to the other catalysts. The addition of Zn and Ca to the PtSn catalysts increases the yield of the catalyst calcined in static air (PtSnZnCa-SA). The PtSnZnCa-SA catalyst showed the highest ethylene yield of 27% with 99% selectivity and highly stable activity at 625 °C for 10 h.

Metal-urea complexes as primary precursors to generate VO2, ZrO2, NbO2, TaO2, Ga2O3 and TeO2 oxides in the nanoscale range by thermal decomposition route

Six metal chlorides of vanadium, zirconium, niobium, tantalum, gallium, and tellurium (i.e., VCl3, ZrOCl2×8H2O, NbCl5, TaCl5, GaCl3, and TeCl4) were reacted with urea (referred to as U) in aqueous media at ~ 50 oC. The resulting metal-urea complexes were characterized using CHN elemental analyses, infrared (IR) spectroscopy, and thermogravimetry. After the synthesized metal-urea complexes were characterized, their ability to form stable metal oxides was examined. The vanadium(IV) oxide; VO2, zirconium(IV) oxide; ZrO2, niobium(IV) oxide, NbO2, tantalum(IV) oxide; TaO2, gallium(III) oxide; Ga2O3, and tellurium(IV) oxide; TeO2, were generated by the thermal decomposition route of the synthesized metal-urea complexes at low temperature 600 °C in static air atmosphere. The transmission electron microscopy (TEM) revealed that the oxides contain uniform spherical nanoparticles. KEY WORDS: Metal chloride, Metal-urea complex, Urea, FTIR, TEM Bull. Chem. Soc. Ethiop. 2024, 38(4), 1003-1012. DOI: https://dx.doi.org/10.4314/bcse.v38i4.15

Room-Temperature Synthesis of Covalent Organic Frameworks using Gamma-Irradiation in Open-Air Conditions.

Covalent organic frameworks (COFs), which have layered stacking structures, extended π-conjugation, and periodic frameworks have become a promising class of materials for a wide range of applications. However, their synthetic pathways frequently need high temperatures, enclosed systems under high pressures, an inert atmosphere, and extended reaction time, which restrict their practicality in real-world applications. Herein, the use of gamma irradiation is presented to synthesize highly crystalline COFs at room temperature under an open-air condition within a short time. This is demonstrated that there is no significant difference in crystallinity of COFs by gamma irradiation under air, N2 or Ar atmosphere conditions. Moreover, this approach can successfully fabricate COFs in the vessel with different degrees of transparency or even in a plastic container. Importantly, this strategy is applicable not only to imine linkage of COFs but also effective to the imide linkages of COFs. Most importantly, these COFs demonstrate improved crystallinity, surface area, and thermal stability in comparison to the corresponding materials synthesized via the solvothermal method. Finally, a COF synthesized through gamma irradiation exhibits remarkable photocatalytic activity in promoting the sacrificial hydrogen evolution from water, displaying a more catalytic efficiency compared with that of its solvothermal analogue.

Sonochemical synthesis of CeO2 nanoparticles with high photocatalytic and antibacterial activities under visible light

AbstractCerium oxide (CeO2), one of the most significant heterogeneous catalysts, has attracted extensive research interest. Herein, ultrafine spherical CeO2 with a diameter of 5 nm is successfully synthesized within a reaction time of 25 min by a simple and environmentally friendly sonochemical method without any additional oxidants or high temperature and pressure conditions, and 50 nm spherical CeO2 was obtained by heat treating the 5 nm spherical CeO2 in 400°C air atmosphere condition for 3 h. By controlling the ultrasonic condition, a specific surface area of up to 194.2 m2/g and a bandgap as low as 2.2 eV are achieved in the CeO2 nanoparticles without any heat treatment. Further study has shown that the as‐prepared spherical CeO2 without heat treatment exhibits remarkable photocatalytic and antibacterial activities under visible light conditions. The study is beneficial for energy conservation in fabricating ultrafine photocatalytic and antibacterial nanomaterials.

Minisci-Type Dehydrogenative Coupling of N-Heteroaromatic Rings with Inert C(sp3)-H Enabled by a Visible-Light-Catalyzed Intermolecular Hydrogen Atom Transfer Process.

The Minisci-type dehydrogenative coupling of N-heteroaromatic rings with inert C-H or Si-H partners via visible-light-catalyzed hydrogen atom transfer has been reported. This methodology allows the coupling reactions to be carried out in water as a solvent under air atmospheric conditions with visible-light illumination. A wide range of inert C-H and Si-H partners could be directly coupled with various N-aromatic heterocycles to deliver products in good to excellent yields.

Efficient Cu(II) removal with boronated zero-valent iron via inhibition of oxygen adsorption and enhanced electron transfer

The inhibition of electron transfer by the iron oxide passivation layer and the competition of oxygen for electrons limited the efficiency of heavy metal removal by zero-valent iron reduction. Herein we synthesized micron zero-valent iron modified with boric acid by mechanical ball milling, and demonstrated its enhanced copper ions removal performance. Compared to pristine ZVI, B-ZVI is approximately 2.6 times more efficient in the removal of copper. Interestingly, copper removal was significantly inhibited under air atmosphere for pristine ZVI. However, for B-ZVI, copper removal efficiency was almost insignificantly different between air and argon atmosphere conditions. Furthermore, the modification of ZVI with boric acid promoted the Cu(II) reduction proportion. Boronated modification effectively inhibited oxygen competition for electrons in removing heavy metals by zero-valent iron, which was conducive to the improvement of the heavy metal removal efficiency and the electron utilization of zero-valent iron. This study elucidated the importance of surface modification on the reactivity of micron-sized zero-valent iron and provided an efficient heavy metal removal strategy with zero-valent iron for environmental remediation.

Submerged pulsating water jet erosion of ductile material

This article deals with the manifestations of erosion of statically acting concentrated multiple droplet impingements on materials over different lengths of time in order to assess the erosion evolution when the materials are submerged, as compared with the action of droplets on the materials under atmospheric conditions. The study aims to determine the extent of the erosive effects of droplets in underwater conditions. Experiments were conducted in a plastic pool in which the water level was varied from h = 80 to h = 120 mm to identify the effect of hydrostatic pressure at p120 = 0.1025 MPa and p80 = 0.1021 MPa. The results were compared with that of a control group of samples obtained under atmospheric air conditions. To observe the erosive damage evolution, 15 (n = 5) sites on the ductile materials EN AW-Al 99.5 and CW004A were exposed to high-intensity droplet impingement at defined exposure times. The exposure time varied from 0.125 s to 1.875 s, with increments of 0.125 s. As a droplet generator, an ultrasonic pulsating water jet with a frequency f = 20 kHz, a pressure p = 30 MPa and a nozzle diameter d = 0.4 mm was used to achieve the theoretical subsonic speed of the droplets. The results exceeded the assumptions regarding the possible attenuation of water pulses. It was found that under the theoretical speed of the jet vw = 225 m/s, the submerged condition causes attenuation in its erosive action. The incident area in the case of submerged treatment was more symmetrical. The erosion shift in term of prolonging incubation erosion stage was found to be a result of the increasing hydrostatic pressure. The results suggest that this method can also be used under submerged conditions for treatment or material drilling.

Monitoring of the state of atmospheric air on the example of the city of Omsk

The article presents the main results of monitoring emissions of pollutants into the atmosphere in the city of Omsk in the period from 2009 to 2021. The characteristics of pollutants, their quantity, percentage of captured and disposed of are given. The work of the regional atmospheric air monitoring network has been analyzed, the territories where the air MPC is exceeded by some indicators have been identified. The results obtained allow us to conclude that the developed network of state monitoring of the city of Omsk is representative and effective.

Ecological study of atmospheric air on the territory of the Trans-Baikal Territory “Charsky territorial mountain-metallurgical complex”

The article describes the impact on the atmospheric air, which are acute negative nature of mining enterprises and their infrastructure industries of the North of the Trans-Baikal Territory, which actualizes this problem in society. The object of the study is the territory of the advanced development of the Trans-Baikal region “Charsky territorial mountain-metallurgical complex”. The subject of the study is the current ecological state of atmospheric air. The aim of the study is to analyse the negative impacts of mining production, as well as the accompanying infrastructural factors that have a complex impact on the ecology of the atmospheric air in the northern territory. The research tasks are reduced to the identification of sources and types of atmospheric air pollution during the quarrying of ore, its enrichment, and the impact of the supporting industries of mining industrial production. The methodological basis of the study is integrated, structural, factological principles and approaches. The article uses general methods of research (analysis, synthesis, generalization), as well as private-scientific-factor analysis, which means the methodology of complex and system study of interaction of factors on the size of the effective indicators and others. The factor analysis of published and stock materials on title issues allowed to perform a complex analysis of the influence of the main factors of quarry production on the air of the adjacent territory. Features of atmospheric air pollution during the quarrying of sites, ore enrichment and work of service industries have been identified. Identified toxic pollutants cause the occurrence and exacerbation of various human diseases. The urgency of solving the issue of dust suppression during the quarry development of the deposits of the Udokan hearth of mineral resources, as well as the issue of transferring quarry vehicles to the consumption of replenished fuel, i.e. electricity - replacing diesel dump trucks with dump trucks powered by a contact network (trolleybuses, diesel trolleybuses, trolleynoac-cumulative). The urgency of solving the issue of dust transfer at the quarrying development of deposits of the Udokanskiy hotbed of mineral resources was substantiated, as well as the development of the question of the transfer of career vehicles for the consumption of renewable fuels, t. e. Electric power - replacement of diesel pit dump trucks with dump trucks powered by a contact network (trolley vehicles, diesel-trolley-vehicles, troll-batteries).

Ergonomic system of forecasting and analysis of the probability of atmospheric air pollution by emissions of enterprises in the conditions of technogenic development of the world

The article is devoted to the problem of air pollution and its impact on human health and the environment. The paper considers methods of air pollution analysis based on the use of neural networks, taking into account the variety of data from the Internet. The authors emphasize the different effects of pollutants depending on the type, duration and level of exposure, as well as other factors, including individual risks to human health and the combined effects of different pollutants and stress factors. Special attention is paid to the two most common types of air pollution - smog and soot. The uneven distribution of the negative effects of air pollution, which are most often felt in low-income and colored communities, as well as the Air quality Index (AQI) developed by the Environmental Protection Agency, which informs the population about the current state of atmospheric air and its impact on human health, are considered separately. As a result of the work, the criteria for analyzing air quality, including pollution parameters and weather conditions, are presented, and the structure of future data is developed.

Green spaces system analysis and assessment of plantings’ ecological state in Minsk city applying geoinformation technologies

The article presents the results of public green spaces system of Minsk city exploration and assessment of their plantings’ ecological state, implemented with applying geoinformation technologies. To conduct the study, the information about spatial distribution features of green spaces system parameters, urban planning indicators and the ecological state of atmospheric air was selected and ranked (groups 1-9). Using this data set, in ArcGIS program with its additional Spatial Analyst module territory modeling was implemented and an original assessment map of Minsk city, which shows various favorability degrees areas (6-1) for green spaces system organization, was created. It was revealed that the sites of the lowest favorability degree (1) are concentrated in the southwestern part of the city (Oktyabrsky, Moskovsky, Frunzensky administrative districts). On their territory the ecological condition monitoring of public green spaces was carried out. Within green areas boundaries 74 field areas were laid on which 2220 trees were examined. The assessment of plantings was conducted in stages: an individual assessment of trees based on a set of dendrometric indicators, calculation of tree stands condition indexes, identification of public green spaces ecological state category. The completed assessment became the basis for measures proposal to optimize the green spaces system.

The environmental state of the Pavlodar region in the Republic of Kazakhstan (1990s)

The article examines the key aspects of the environmental condition of the Pavlodar region in the 1990s. It provides an analysis of the climate, the structure of industrial production, and the availability of minerals. Based on statistical materials, the state of atmospheric air characterized by the presence of harmful impurities polluting the environment has been studied. The status and usage of water resources in the region are also indicated. The authors note a real threat of pollution of the Irtysh River by heavy industry waste in the region. The analysis of the materials showed that despite having significant land resources, the Pavlodar region inefficiently used them for agriculture. In conclusion, it is stated that the environment of the region was influenced by an increase in pollution of water and land resources with toxic metals as a result of the activities of non-ferrous metallurgy and thermal power plants.

Udokan hearth of mineral resources: Factors shaping the quality of atmospheric air

The consequences of the impact of mining and ore processing industries on atmospheric air are acutely negative. Polluted atmospheric air entails a significant environmental risk to human health. The identification of factors that negatively affect the air quality of a mining enterprise and nearby territories actualizes the problem under consideration. The object of the study is the territory of the Udokan hearth of mineral resources. The subject of the study is the factors that shape the quality of atmospheric air. The purpose of the study is to analyze the negative effects of the main factors determining the ecological state of atmospheric air in the conditions of the Udokan hearth of mineral resources. The methodological basis of the research is the complex, structural, factual principles and approaches. The work uses general research methods (analysis, synthesis, generalization), as well as private scientific - factor analysis, which is understood as a method of complex and systematic study of the interaction of factors on the magnitude of performance indicators. The main factors shaping the ecological situation of the study area are identified: climatic, qualitative and quantitative indicators of polluting emissions. The necessity of constant monitoring of the state of the atmosphere for the development and implementation of a set of measures to reduce the negative impact of polluting emissions into the atmosphere is justified. Conclusions. The practical uniformity of the chemical composition of harmful emissions during the implementation of the main technological processes of mining and mining processing industries makes it possible to develop preventive measures to minimize the negative consequences of the development of mineral deposits in the mine atmospheric space.

Ecological assessment of the atmospheric air condition in Berdychiv district of Zhytomyr region based on statistical data

Ecological assessment of the atmospheric air condition in Berdychiv district of Zhytomyr region based on statistical data

Changeability of quantitative and quality signs of pollen of Robinia pseudoacacia L. is in the conditions of megalopolis

The work is aimed at spreading the practice of bioindication, in particular palynoindication of atmospheric air quality in the surface layer. It is possible to continue monitoring the state of the environment in Ukraine under the conditions of the destructive impact of military operations only with the use of methodologically and economically accessible approaches. The obtained results provide an opportunity to make scientifically based conclusions about the state of the environment and recommendations for zoning territories according to environmental risks for the population. Assessment of the state of atmospheric air in the surface layer is important for determining the potential consequences for the ecosystem and for assessing the risk to public health. We believe that the most informative are the results of the study of plants of the shrub layer. Their generative part is exposed to the long-term effects of the main components of air pollution in the zone of maximum impact on the respiratory system of people. Cytogenetic testing was carried out on Robinia pseudoacacia plants, which belong to the group of sensitive phytoindicator species. Monitoring was carried out during 2020–2021 at 7 locations of park, forest-park ecosystems and street landscaping in four administrative districts of Kyiv. The analysis of weather and climate conditions, the differences of the studied territories in terms of the level of atmospheric air pollution, the level of anthropogenic load, the intensity of transport connections, as well as the provision of green spaces as the main factor in reducing the impact of the urban environment on the state of life and health of the population is given. It was noted that the pollen sterility index reflects the influence of non-optimal factors of the growing environment on the reproductive potential of R. pseudoacacia. The variability of the morphometric characteristics of dry grains according to the shape index is also a fairly informative indicator of its quality. In particular, a tendency to decrease in the equatorial diameter and a further prolonged decrease in the length of the polar axis during the flowering phase of plants was observed. A significant increase in the proportion of degenerated and hypertrophied grains of R. pseudoacacia was noted in areas with significant influence of a complex of exogenous factors and year conditions. Intensive inhibition of the microsporogenesis process was noted in plants in areas with active traffic. Minimal violations were observed in plants from large park plantations. A certain improvement in the state of the atmospheric air during the lockdown period also contributed to a decrease in the number of morphologically abnormal grains. The results of cytotesting of the sensitivity of R. pseudoacacia pollen to the influence of factors of the growing environment can serve as an important component of the assessment of the quality of the environment and zoning of the territories of the metropolis.