National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

Minneapolis faced severely degraded air quality, ranking among the worst globally due to smoke drifting from Canadian ...

According to a ranking by IQ Air, a Swiss air-technology company, Chicago had the worst air quality in the world for a few ...

The Air Quality Index (AQI), a system used to communicate how much pollution is in the air, is expected to reach the red or ...

Smoke from Canadian wildfires has plunged Midwest air quality to unhealthy “red” levels, with Minneapolis among the world’s ...

Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

Smoke from Canadian wildfires have continued to drift over the Midwest, blanketing the region with haze and poor air quality, prompting the National Weather Service (NWS) and local departments to ...

Notably, there are also fire weather concerns for parts of Hawaii, specifically the leeward portions of all Hawaiian Islands ...