The National Weather Service issued air-quality alerts covering parts of Texas, Arizona, and Colorado for Friday.

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

Americans in at least eight states face potentially unhealthy levels of air pollution on Wednesday, official data shows. The data is shown in a live map from AirNow—a partnership of multiple U.S.

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

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

The Rochester area is still having some air quality concerns on Tuesday because of smoke from Canadian wildfires.

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

An air quality alert was issued by the National Weather Service in Green Bay at 11:55 a.m. on Tuesday, July 15.

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

According to SRCAA, Red Flag Warnings have been issued for several Inland Northwest counties, including Spokane County, with winds expected to pick up overnight. There could be ch ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.