Urban air pollution refers largely to the mixture of gases and small particles in the lowest hundred or so metres,a result of human activity associated with vehicles,road dust,domestic cooking and heating,power plants and other industries nearby,diesel generator sets,and the open burning of waste.
Pollution gases are mostly colourless and odourless and include carbon monoxide,oxides of sulphur and nitrogen,ozone,and volatile organic compounds.
Pollution gases are mostly colourless and odourless and include carbon monoxide,oxides of sulphur and nitrogen,ozone,and volatile organic compounds.
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