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| Check the Air Pollution levels of your city | |||||
| Air quality classification of cities and towns: The air quality of different cities/towns is compared with the respective National Ambient Air Quality Standards. The air quality has been categorized into four categories based on an exceedence factor (the ratio of annual average concentration of a pollutant with that of a respective standard). The four air quality categories for cities and towns are: Critical pollution (C): when exceedence factor is more than 1.5; High pollution (H): when the exceedence factor is between 1.0 - 1.5; Moderate pollution (M): when the exceedence factor between 0.5 - 1.0; and Low pollution (L): when the exceedence factor is less than 0.5. |
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