Smoke from wildfires burning in the northern Sacramento Valley may bring hazy skies and unhealthy air to parts of the Bay ...

On Friday, the air quality is expected to be unhealthy for everyone in a large northwestern part of the state due to heavy ...

Los Angeles braces for a hot day with an Air Quality Alert due to high ozone levels, affecting sensitive groups and advising precautions like staying indoors and limiting outdoor activities.

Wildfire smoke from far Northern California is prompting an air quality alert in the Bay Area, with elevated smoke levels ...

The Minnesota Pollution Control Agency issued an air quality alert Friday, July 11, for northwest and north central Minnesota. The alert takes effect 6 a.m. and runs until 6 p.m. Friday. Heavy ...

The alert is issued for northwestern and north central Minnesota, including Brainerd, Bemidji, East Grand Forks, Moorhead, ...

Residents are encouraged to limit outdoor activities, stay indoors with windows and doors closed, and use air conditioners ...

Wildfires are burning in Northern California and Southern Oregon. A Spare The Air Alert day is in effect Friday due to poor ...

Good morning, Coachella Valley. We're off to a toasty start to the morning of what will certainly be another very hot day.

When air quality is ranked "unhealthy for vulnerable groups" it means PM 2.5 are at levels that can cause problems for people ...

Extreme heat will continue to impact the Coachella Valley today and Thursday, with high temperatures soaring between 114°F ...

On Wednesday at 5:03 p.m. the NWS Los Angeles/Oxnard CA reported an updated air quality alert in effect until Thursday at ...