Environmental Sciences, asked by Gurmehak2143, 1 year ago

Indoor and outdoor air pollution definition

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Answered by ParulG
1
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Indoor air pollution
it refers to chemical, biological and physical contamination of indoor air. It may result in adverse health effects.

Outdoor air pollution 
It is a complex mixture of severalpollutants.In 1970, Congress passed the Clean Air Act that established national air pollutant standards for 6 criteria pollutants: ozone, respirable particulate matter (PM), sulfur compounds, lead, carbon monoxide (CO), and nitrogen dioxide (NO2).

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