The index rates how clean or polluted the air is each day. The EPA uses this measure to keep tabs on five kinds of air pollutants. The main concern from the wildfire smoke is fine particle pollution, ...

WELL, GOOD EVENING MIKE. AND YEAH, IT’S NOT JUST A HOT DAY HERE IN THE CITY OF PITTSBURGH AND ACROSS WESTERN PENNSYLVANIA, BUT ALSO A LITTLE BIT MORE DIFFICULT TO BREATHE FOR SOME SENSITIVE GROUPS ...

If you value independent local news, become a sustainer today. Your gift could help unlock a $1M challenge. Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality ...

(WLUK) — Hazy skies and poor air quality continue to impact Wisconsin, driven by smoke from Canadian wildfires. This phenomenon is becoming more frequent compared to a decade or two ago, as wildfire ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The U.S. Air Quality Index (AQI) is the ...

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned through houses, cars and industrial areas, they spewed out vast amounts of smoke ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida and creating a "very unhealthy" situation in parts of Minnesota on June 3, ...