Air quality was tumbling to unhealthy levels in Philadelphia and a broad swath of Pennsylvania and New Jersey as smoke from ...

Metro Detroit is facing some of the world's worst air quality Thursday morning, July 16, as wildfire smoke moves over the ...

Canadian wildfire smoke is pushing into the D.C. region, triggering a Code Orange air quality alert and raising concerns that ...

Hundreds of wildfires in Canada are causing smoke to drift southward into the United States. Millions of Americans are under air quality alerts as the smoke is expected to reach unhealthy levels. An ...

Smoke from over 800 wildfires burning across Canada is drifting into New Jersey, turning skies hazy yellow and orange.

Wildfire smoke has triggered statewide Code Red air quality alerts in Pennsylvania. See where smoke is worst, how long it ...

How long will New Jersey's bad air quality last? Canadian wildfire smoke pushed air quality into the unhealthy range across parts of New Jersey on Thursday, with AirNow showing AQI readings above 150 ...

Heavy smoke from several large wildfires blazing in Canada and Minnesota is engulfing large swaths of the Midwest and ...

Delaware is under a Code Orange air alert due to possible smoke from Canadian wildfires. Check to see latest air quality.

Canadian wildfire smoke triggered air quality alerts across New York, with haze, health warnings and AQI concerns statewide.

Canadian wildfire smoke is impacting air quality across Michigan and Metro Detroit. See a map. Check your air quality index.

Canadian wildfire smoke returned to NYC, prompting the National Weather Service to issue an air quality alert for parts of NY ...