The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

Wildfire season is upon us once again, and smoke is reducing air quality through swaths of the country. Environment Canada ...

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Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, ...

The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

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Plan for a hazy, hot and humid few days! Air quality will be the lowest on Tuesday. Combined with the heat, health impacts ...

The minimum temperature in Delhi settled at 24.5 degrees Celsius, 2.7 notches below the season's average. The maximum ...

Heavy rains batter parts of India; flash flood alert in 19 Jharkhand districts, while Rajasthan and Himachal reel under ...