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

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.

As wildfire smoke has brought unhealthy air to the interior, the Fairbanks North Star Borough has created a clean air room ...

Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked ninth on the list of cities with the worst air quality, with an ...

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 ...

With smoke drifting over the Sacramento region from wildfires in the north state, air quality officials are urging capital ...

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

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...