Abstract
Ambient air quality monitoring for suspended particulate matter, sulphur dioxide, and nitrogen oxides was carried out over a period of one year to study diurnal and seasonal variations and spatial distribution of said pollutants. Dustfall rate measurements were carried out for a period of one month out of each season and for all the four seasons of the year. Studies were also carried out at selected work places to determine levels of the above-mentioned pollutants. Studies indicate that mining and associated activities have raised the background levels of particulate pollution in the region. The coal handling plant and poorly maintained roads, resulting in transport of coal dust by means of wind, are identified as the sources of particulate pollution in a coal mining area. Coal burning and transportation activities appear to be major sources of SO 2 and NO x in coal mining areas.
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