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Chicago ranked No. 1 for worst air quality in world Thu.

Canadian wildfire smoke brings worst air quality in the world to Chicago, creating unhealthy conditions for all

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires drifts into our area.

NBC Chicago on MSN · 1d

‘Unhealthy': Why is the air quality in Chicago so bad? What to know as air quality alert continues

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy,” posing issues to the general public. Photos and video from the lakefront showed a fuzzy and blurry sky.

Chicago Sun-Times · 1d

Chicago ranked No. 1 for worst air quality in the world Thursday

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at the Respiratory Health Association. "It's going to send people to the emergency room.

Chicago ranked no. 1 in worst air quality in the world Thursday

Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke ...

RiverBender.com1d

Red Air Pollution Action Day Called For Multiple Illinois Sectors

CHICAGO The Illinois Environmental Protection Agency (Illinois EPA) and the Illinois Department of Public Health (IDPH) are ...

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