The Air Quality Index, set by the Environmental Protection Agency, is your guide to how bad the air quality is outdoors. The data that goes into the Air Quality Index comes from 5,000 air monitors ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Share on Pinterest If you live in an area where you may be exposed to wildfire smoke, check your local Air Quality Index (AQI ... However, reading and interpreting AQI is a bit of a guessing ...

It comprises two measures: the number of days with an air quality index below a certain threshold and the number of violation points against drinking water systems in each state. Learn more about ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...

Don't rely solely on AQI readings The Air Quality Index is a very useful metric for ... Monitor wind conditions during cleanups. Report improper cleanup practices to the South Coast Air Quality ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...