Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air. Air ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those breathing it.

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

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

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

Though hazy and smokey skies still linger, the Chicago area will see lighter levels of smoke overhead as air quality begins ...

Hazy sunshine continues today thanks to lingering smoke from the Canadian wildfires, high pressure, and strong northerly flow ...

Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air ...

Smoke from the Canadian Wildfire has caused an unhealthy air quality index rating in the Peoria area, and medical professionals are urging people at high risk to stay inside and filter the air in ...

Tens of thousands of people were back at Grant Park for day two of Lollapalooza as the air quality in Chicago remained one of ...