As of Thursday morning, New York City and Washington, D.C. have the two worst air quality conditions in America, according to IQ Air’s live ranking of major world cities, which ranks the cities ...

This map shows air quality ratings for Seattle and across the state of Washington, updated every 10 minutes. Use the key to determine the air quality or smoke forecast in your area. Most mapped ...

As of Thursday morning, Chicago, Detroit and Washington, D.C. were ranked as the three cities with the worst air quality in the world, according to IQ Air's Air Quality Index.

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

As wildfire season heats up, the Washington Department of Ecology is rolling out a new tool to help people breathe easier and stay safe. The state’s revamped air quality monitoring map ...

OLYMPIA, Wash. — The Washington State Department of Ecology (WSDOE) launched an enhanced air quality monitoring map to make tracking air pollution more accessible for Washington residents.

Haze from Canadian wildfires is seen over Lake Michigan as a person runs along the shoreline Monday in Chicago. Wildfires ...

According to a Washington Post analysis of smoke ... quality monitoring stations have reported all-time high pollution from wildfires. Map showing air pollution monitoring stations in the United ...

Washington, D.C.’s air quality dropped to an “F” grade in a new air quality report. The new grade is lower than last year’s “C,” with 3.7 unhealthy days per year on average due to ...

Air quality worsened to code red Thursday in the Washington, D.C., area because of smoke from Canadian wildfires, posing a health risk to anyone who spends time outside. It comes less than three ...

The worst air quality in at least two decades has gripped the Washington, D.C., area ... zip code into the AirNow website, or check the map. Public schools canceled outdoor activities; the ...

The Iowa Department of Natural Resources issued an air quality warning across the state from Tuesday to Thursday morning, ...