Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

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

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 ...

CHICAGO - An Air Quality Alert is in effect until midnight Wednesday night for the following counties: McHenry, Lake (IL), ...

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

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With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

Wednesday begins with a fair amount of sunshine for the first two thirds of the day, but some cloud coverage filters the ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become dangerous for sensitive groups.

Smoke from hundreds of wildfires burning across Canada has polluted skies and reduced air quality across large portions of ...

The toll of wildfires is usually counted in acres burnt, property destroyed and lives lost to smoke and flames. But three studies published Wednesday suggest the cost to human ...

Today we’re going behind the scenes of how a Globe photographer captured the thrill of victory — for the Red Sox and for fans ...