On June 24, the city released initial air quality test results. But the analysis was flawed, some experts said.

Central Ohio counties face an Air Quality Alert as ozone levels rise due to high pressure and sunny conditions.

Americans did better on aerobic and strength goals But the annual ranking found some worrisome trends on air quality and food ...

As North Texans brace for another hot summer, soaring temperatures have become more common and intense, impacting quality of ...

Conditions continued to worsen after the region was put under an Environment Canada Air Quality Warning Monday afternoon. A ...

IDEM forecasted Air Quality Action Days indicate anticipated higher levels of ground-level ozone and fine particulate matter only. Other factors may affect overall air quality. Air Quality Action Days ...

“Under the guidelines, outdoor activities are prohibited when the API exceeds 100. If it goes beyond 200, home-based learning ...

Michael Karlis is a Staff Writer at the San Antonio Current. He is a graduate of American University in Washington, D.C., ...

Wildfire smoke from the northern prairies is blanketing the southwest. Environment and Climate Change Canada issued an air ...

As smoke from wildfires continues to choke the air with particulate matter while ozone action days populate the summers, ...

Unhealthy air quality has been recorded in eight regions of Malaysia and can be partially attributed to worsening ...

UCLA researchers have launched a new network of air pollution monitors for northwest L.A. areas near the Palisades fire.