CHICAGO (WLS) -- An Air Quality Alert remains in effect Friday due to smoke from Canadian wildfires.

The alert remains in effect for the area until midnight Friday.

ABC7 Accuweather Meteorologist Tracy Butler said the worst air quality will be in the morning, with particulate starting to dissipate in the afternoon.

Friday morning, air quality levels I the area at levels that are unhealthy for sensitive groups, such as people with asthma. Thursday, much of the area was at levels that were unhealthy for everyone.

A tracker with the latest updates on air quality levels for areas across the state can be found on the AirNow government website.

Who is at risk?

Children, and those with pulmonary or respiratory diseases such as asthma, are recommended to limit their time outdoors.

"If you

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