The Sacramento region’s air quality reached “unhealthy for sensitive groups” level on Thursday morning, according to IQAir.

Weather conditions trapping wood smoke pollution near the ground prompted the Bay Area Air District to issue a Spare the Air ...

Air Quality Numbers Explained: As pollution in Delhi continues to rise without pause, residents are constantly checking the AQI levels to decide when it might be safe to step outdoors. Air Quality ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.

Your eyes and nose are not deceiving you; the skies are pretty gnarly on Monday, with Salt Lake City currently holding the ...

You may have noticed that even after the morning fog lifts, a layer of haze continues to hang over the Valley.Air Quality ...

Smoke from the Green Fire and other wildfires burning in and near Shasta County are polluting the air over the North State. The Shasta County Air Quality Management District and Shasta County Health ...