Delhi faced intense heat and humidity, with real-feel temperatures peaking at 54.3°C. Thunderstorms are expected Sunday, but ...

As of June 13, Environment Canada has put out a special air quality statement for Whitehorse, Faro, Ross River, Watson Lake, ...

Ohioans should monitor the air quality index daily this summer, as wildfires in Canada send smoke down to the Midwest and ...

The worst air in the country on June 14 is in New Castle County. The air quality index in Wilmington as of 9:45 a.m. was 227, ...

One Reddit user needed advice on dealing with a neighbor who'd installed an outdoor wood boiler that was polluting the air.

Smoke from Canadian wildfires drifted down heavily into Montana on Wednesday and Thursday, covering a large swath of north-central Montana.

Officials at Cleveland Department of Public Health are keeping an eye on local threats to the region’s air quality, including ...

Once the smoke rises high enough into the atmosphere, strong winds can carry it across regions, allowing smoke from Canadian ...

Typically, during the summer months of June, July and August, when the wind goes northwest behind a front, the New York sky ...

Health officials issued a ground-level ozone warning Thursday for the lower Hudson Valley, New York City and Long Island.

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

Butler County residents sensitive to air quality should remain inside Thursday, June 12, with the significant concentrations of ozone gases, according to the Pennsylvania Department of Environmental ...