Minnesotans weathered the third air quality alert triggered by ozone of the year Monday. If two more happen, it will tie the ...

Increase in wildfire-driven ozone linked to premature deaths across the U.S. Smog from wildfires is getting worse across much ...

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But ...

Ozone advisory issued. The elderly and those with weak constitutions are advised to refrain from outdoor activities.” This ...

Wildfires have offset nearly four years of ozone-control progress nationwide, with larger setbacks in the West and Midwest.

Ozone pollution has worsened in much of the continental United States over the past decade, fueled by wildfires and the ...

Because ozone is a gas, the Minnesota Pollution Control Agency says masks offer no protection during the current air quality ...

While you may think of ozone as a welcome element in our Earth's atmosphere that protects us from the sun's harmful radiation, ground-level ozone that we breathe is a harmful pollutant.

Smog linked to wildfires is getting worse across much of the U.S., playing a role in more than 300 additional premature ...

Fire seasons are becoming longer and more severe, affecting communities far from the fires themselves. There are steps that ...