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

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

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

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 ...

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

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

The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy ...

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

After a few days of jubilant fireworks launching, Columbus' air quality is taking a hit, causing the Mid-Ohio Planning ...

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

Smoke from the Madre Fire in San Luis Obispo County could potentially bring poor air quality to the High Desert over the July ...