Skies across Massachusetts may start out sunny on Thursday, but could turn "hazy" by the afternoon. Here's why.

Skies across Massachusetts may start out sunny on Thursday, but could turn "hazy" by the afternoon. Here's why.

High pressure will move through the area on Thursday and offshore into the Atlantic by the weekend.  An air quality alert is ...

In the summer of 2023, Canadian wildfires sent particle pollution soaring for several days across the region. “Looking at the ...

In the latest "State of the Air" report from the American Lung Association, Cincinnati ranked 14th nationally for worst ...

Parts of Central Pennsylvania are still reeling from the Canadian wildfire smoke that blanketed the region in 2023, according ...

Saskatchewan public safety officials say they're anticipating an average wildfire season with a cooler spring but hotter ...

Detroit's air quality worsens due to climate change and Canadian wildfires, the American Lung Association reports.

Canadian wildfire smoke of 2023 led to the reduction of temperatures in NYC by 3 degrees Celsius, increasing pollutants, and ...

Canadian wildfires caused the county to earn a C in the association's report for both 24-hour particle (soot) and ozone pollution (smog).

An annual air quality report by the American Lung Association gave Pittsburgh a failing grade. The region ranked among the ...

The American Lung Association's 2025 "State of the Air" report names the Cincinnati metro area as the 14th worst in the ...