What is AQI
( Air Quality index )
The
AQI is an index for reporting daily air quality. It tells you how clean or
polluted your air is, and what associated health effects might be a concern for
you. The AQI focuses on health effects you may experience within a few hours or
days after breathing polluted air. EPA calculates the AQI for five major air
pollutants regulated by the Clean Air Act: ground-level ozone, particle
pollution (also known as particulate matter), carbon monoxide, sulfur dioxide,
and nitrogen dioxide. For each of these pollutants, EPA has established
national air quality standards to protect public health .Ground-level ozone and
airborne particles are the two pollutants that pose the greatest threat to
human health in this country.
Average
AQI in Delhi is 278 while it is 27 in Zurich , Switzerland and it is 20 In Chester Hills Solan
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