The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take to protect yourself further.

Residents can also use AirNow, a part of the U.S. Air Quality Index, and check local conditions by searching their ZIP Code or city. AccuWeather also has an AQI feature that lists the current ...

Residents can also use AirNow, a part of the U.S. Air Quality Index, and check local conditions by searching their ZIP Code or city. AccuWeather also has an AQI feature that lists the current ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Knowing how to check air quality conditions can help you make the best decisions to keep yourself and your family safe. Here are two tools that the KCRA 3 Weather Team uses and trusts.

Seattle, New York City and Los Angeles were among the places with high air quality indexes after fireworks celebrations. By Rebecca Carballo and Judson Jones The air quality index Wednesday ...

The Air Quality Index (AQI) — which measures the concentration of pollutants in the air — seemed to confirm all was well in the L.A. atmosphere, with low numbers that suggested clean, healthy air.