The air quality index (AQI) in many LA regions looks good, but that doesn't mean the air is safe. Why it matters: The AQI in ...

The index ranges from 0 to 500 and uses a color coded system: As of Monday evening, the AQI was between 30 and 60 throughout L.A. County — in the “good” or “moderate” range — according ...

AQI readings have reported "good" conditions for many recent days. But the remnants of the smoke and ash that blanketed the ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

She's written about fitness and wellness for Well+Good, Women's Health ... or doing activities outside. If the air quality is in a more moderate range (51-100), you can still protect yourself ...