Abstract
High population density and intense industrial activity has resulted in various forms of pollution in megacities. Air pollution ranks at the top of this list. This study investigated long-term changes in air pollutant parameters (SO2, CO, NO, NO2, NOx) in Istanbul City, Turkey, using data from air-quality measurement stations on the Asian and European sides of Istanbul. The results show decreases from 2002 to 2010 in the amounts of SO2 (one of the main pollutants released as a result of the burning of fossil fuels) and CO (indicative of incomplete combustion). However, NOx concentrations showed fluctuations over time, rather than a steady decline throughout the study period.
Highlights
Air pollution is one of the most important environmental problems, and concentrates mostly in cities
Rapid urbanization may cause a range of environmental problems, such as air pollution, acid rain, water pollution and land pollution [1]
This study investigated variation in air pollutant parameters (SO2, carbon monoxide (CO), NO, NO2, NOx), using data obtained from air pollution monitoring stations on both sides of Istanbul, for the period between January 2002 and December 2010
Summary
Air pollution is one of the most important environmental problems, and concentrates mostly in cities. Rapid urbanization may cause a range of environmental problems, such as air pollution, acid rain, water pollution and land pollution [1] (i.e., solid wastes, toxic wastes, deforestation). Such environmental problems are much greater in the cities of developing countries, due to the overwhelming scale and speed of urbanization [2]. In both developed and rapidly industrializing countries, the major air pollution problem has typically been high levels of smoke and sulfur dioxide (SO2) arising from the combustion of sulfur-containing. Global observations of SO2 are important for atmospheric and climate research
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