Chicago Has Worst Air Quality Among World's Major Cities On Thursday
COOK COUNTY, ILLINOIS, AUG 1 – Unhealthy particle pollution from Canadian wildfire smoke has forced extended alerts, with Chicago briefly recording the world’s worst air quality on Thursday, officials said.
- On Thursday, the National Weather Service extended an air quality alert for the entire Chicago area through Friday night due to wildfire smoke particulates.
- A stagnant high-pressure system trapped smoke largely originating from fires in Saskatchewan and Manitoba across the Midwest, according to the Post.
- At 1pm Thursday, Chicago’s AQI reached 174, worse than the Democratic Republic of the Congo and Dubai, according to AirNow.
- Amid unhealthy air, the National Weather Service urged residents to reduce outdoor activities and avoid prolonged exposure, especially for vulnerable groups.
- Hazy skies could persist through Saturday as more smoke arrives from Canada with north winds continuing, according to forecast models.
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How air quality in the Twin Cities compares worldwide
WCCO TV reports that air quality in Minneapolis ranked second worst in the world Friday morning. This comes as wildfire smoke from Canada is expected to cloud Minnesota skies through Saturday. “WCCO TV meteorologist Joseph Dames says that the upside is that unseasonably pleasant temperatures have moved in, and will stick around, with highs in the 70s and low humidity.” Although temperatures and the sunshine are pleasant now, severe weather has h…


Chicago officially recorded the worst air quality in the world for a few hours on Thursday. As a cloud of smoke from Canadian wildfires blanketed the metropolitan area, no other major city in the world recorded air pollution worse than Chicago's at midday Thursday, according to a global ranking by IQ Air, a Swiss air technology company. "Air quality is officially hazardous in Chicago," says Brian Urbaszewski, director of environmental health pro…
Respiratory experts offer safety tips as air quality in Chicago temporarily drops to world's worst
CHICAGO (WGN) — For a few hours Thursday, Chicago had the worst air quality in the world. Whether Chicagoans were driving through the Loop, south down the Dan Ryan or making their way North through Rogers Park, there was no avoiding the haze that plagued the Chicago skyline. According to the National Weather Service (NWS), the layer of smoke was due to Canadian wildfires, and experts with the Respiratory Health Association (RHA) said this kind o…
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