Abstract

Introduction: Hitherto studies have concentrated on the pollution concentra- tion in an ambient environment not putting into cognizance meteorological factors that can determine the fate/trail of the pollutant in the atmosphere. Materials and methods: Accordingly, the study monitored ambient topical air triplicate day-time concentration of NO2, PM10, SO2, H2S and CO using portable digital air pollution detecting device for 30 days in each of the rep- resentative apex months of dry (April) and wet (August) months of 2018 in Kano Metropolis. However, meteorological data were collated from Nigerian Meteorological Agency (NiMet). Results: The result showed pollution concentration for Bompai and Sabon Gari are the highest followed by Dowrawa and school of technology. On the other hand Bompai and Sabon Gari had higher concentration in all pollutants in dry season followed by school of technology and Dowrawa. Furthermore, temperature, relative humidity and precipitation washout or scavenging effect on the pollutants were analyzed quantitatively. The result showed concen- tration of the pollutants in the atmosphere where lower under condition of increased precipitation, low temperature and increased humidity level com- pared to that of the dry season. Conclusion: Consequently, the study exposes the influence of meteorological parameters on the seasonal variability, concentration and environmental fate of pollutant, which could be used in controlling urban air pollution thereby sustainably improving environmental quality and protecting human health.

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