The city is racing to put up 277 sensors. Once installed, Chicago will have the most high-quality air monitors in the country ...

Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

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

Illinois residents are urged to reduce pollution levels. The air quality is expected to improve by Saturday, according to the National Weather Service. Hannah Hudnall covers trending news for the USA ...

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

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead Saturday. The National Weather Service extended an air quality alert for ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside and keeping windows and doors closed.

Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air Quality Alert remains.

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...