The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

The smoke has already arrived. This past week, thick plumes from wildfires in Manitoba and Saskatchewan have drifted into the ...

Chicago woke up to code red air quality on Thursday as smoke from Canadian wildfires blanketed the city, turning the skyline a hazy orange. Resident, Em Klossy, captured the hazy skies on her morning ...

Environment and Climate Change Canada has issued a special air quality statement for Rocky View County near Airdrie and ...

Don Gillespie’s commentary (“GWS air quality info needs to be provided,” June 6, Aspen Daily News) mentions a dearth of ...

Four people killed and more than 60 injured in two rounds of Russian attacks on Kharkiv, Ukrainian officials say ...

Moscow and Kyiv clash over prisoner swap after Kharkiv mayor says 22 people wounded in overnight attack by drones, missiles ...

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health ...

Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the windows.

To reduce pollution and protect public health, it is recommended to avoid gas stations during air-quality alerts or refueling ...

After a huge fire broke out at SEPTA’s largest bus depot in Nicetown on Thursday, officials have determined a cause for the ...