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

The air quality index in Aspen was expected to stay at moderate levels throughout Wednesday and part of Thursday, thanks in part to thunderstorms blowing smoke erratically from the fires burning in ...

The Oregon Department of Environmental Quality issued an air quality advisory for Wednesday for Klamath and Jefferson ...

Thousands of people across one state were told to go inside if they start experiencing respiratory symptoms such as coughing.

The Minnesota Pollution Control Agency released the top hourly fine particle readings from the air quality alert that ran ...

A haze of smoke from wildfires burning in Colorado wafted into counties along the Interstate 70 mountain corridor on ...

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

Right now, smoke and air quality concerns are top of mind for many Central Oregonians. It's important to remember to limit ...

Due to the multiple wildfires currently burning within the state, Colorado Department of Public Health and Environment has issued an air quality health advisory that will be in effect all ...

Tis the season for wildfires and the attendant wildfire smoke. While the state is not exceeding the federal standard for fine particulate pollution, there are some unhealthy areas out there where ...

ALBANY — Central New Yorkers can breathe a little easier today — following a moderate Air Quality Index rating for Wednesday, ...

An air quality alert was issued by the National Weather Service in Milwaukee-Sullivan at 9:26 a.m. on Wednesday, July 16.