Redmond had the worst air quality in the state Wednesday afternoon, with DEQ's air quality monitoring map showing "unhealthy" ...

PM2.5 pollution is spiking in many counties in Utah and is accompanied by the typical summer pollutant of ozone. It makes for a nasty mix of pollution.

Americans in at least eight states face potentially unhealthy levels of air pollution on Wednesday, official data shows. The ...

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Relatively low humidity is in town. Rain chances are very low through the holiday weekend with near normal temperatures.

An air quality alert has been issued by DC Homeland Security & Emergency Management for the District Saturday. The alert was originally issued as a Code Orange, which means the air is unhealthy ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

The Wisconsin Department of Natural Resources issued an air quality advisory through noon June 4 across parts of Wisconsin.

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

Air Quality Index readings in several states near California indicated unhealthy air quality on Friday.

Washington wildfire, smoke map: Track latest wildfires, red flag warnings East Bremerton’s air quality monitoring station was reporting an Air Quality Index of 58, as of Friday morning.