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 ...

Fortunately, the US Environmental Protection Agency has a resource called the Air Quality Index to help monitor air quality. We'll explain how it works and how you can use it to a ...

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

The air has improved in the LA region as firefighters get blazes under control, but there are questions about how safe the ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

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 ...

When not writing, she enjoys reading and ... activities when air quality is bad? Fortunately, the US Environmental Protection Agency has a resource called the Air Quality Index to help monitor ...

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 ...