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Air Quality Index (AQI) & your choice of filter

Indoor Air Quality

 

The AQI index is a measure of daily air quality. It determines how polluted or clean the air is, and what health impacts it may bring. The AQI pays attention to health effects experienced within few hours to few days after inhaling polluted air. Environmental Protection Agency (EPA) measures AQI for five mainstream air pollutants as regulated by Clean Air Act, and these are:

1. ground-level ozone

2.particle pollution (also called particulate matter)

3. carbon monoxide

4. sulfur dioxide

5. nitrogen dioxide

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