Air quality alert issued for Chicago area due to unhealthy ozone levels, smoke
CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday.
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The Illinois EPA issued an Air Pollution Action Day for Wednesday for the Chicago area.
The alert includes the counties of Cook, DuPage, McHenry, Lake (IL), Will, Kane, Kendall, and Grundy.
Lake, Porter, Newton and Jasper counties in Indiana are also under alert all day Tuesday.
The alert was also issued because of unhealthy ozone levels in addition to the smoke particles.
The Chicago area has been under air quality alerts for most of last week, due to smoke from Canadian wildfires.
At one point last week, Chicago had the worst air quality in the world.
At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian Interagency Forest Fire Centre.
Medical experts said the unhealthy air conditions are of most concern for active children and adults who have a respiratory condition. Those who experience a respiratory issue should go inside and seek medical attention if necessary.
Doctors said an N95 mask can help people outside, and people at home should make sure filters are fresh so that air conditioning is working at its best.
ABC News contributed to this report.
