A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

The NWS San Diego CA reported an air quality alert at 1:50 p.m. on Saturday in effect until Sunday at 2 p.m. for San ...

Through parts of Minnesota and into Wisconsin, the air quality is deemed unhealthy for people and animals sensitive to ...

In recent years, high ozone levels have been detected at Chatfield State Park, South Table Mountain in Golden, Boulder ...

This map tracks air quality near Detroit, and zoom out to see more areas. Smoke from wildfires in Canada is expected to move into Michigan.

The 42-inch pipeline has a blast zone that includes hundreds of homes, businesses, schools, day cares, parks, and recreation ...

Air Quality Alerts have been issued across all of Minnesota until Monday 6:00 PM. Sensitive groups may be affected.

Areas throughout the Midwest, including parts of Indiana, will see their air quality impacted by smoke from wildfires burning in Canada this weekend. The smoke is prompting several communities to ...

Smoke from Canadian wildfires may cause air quality to degrade slightly through our weekend. The Minnesota Pollution Control ...

With the fate of EPA regulations uncertain, advocates say local environmental protection efforts, like a community air ...

Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere.