The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside ...

Temperatures are climbing into the 80s this week, with highs expected to hit 90° by the weekend. Wildfire smoke will continue ...

Chicago’s summer skies are increasingly foul due to Canadian wildfires, especially when the weather otherwise is nicest. This ...

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday. The alert was issued by the EPA at about 11:56 a.m. It will be in effect until midnight. Lake, Porter, Newton ...

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...

Due to smoke from wildfires, several U.S. cities had an AQI over 100 on Aug. 5, which means the air is unhealthy for ...