The Idaho Department of Environmental Quality’s Pocatello Office has added ozone to the list of air pollutants it’s monitoring locally.

OZONE — From the roadway, there’s little that separates the area near the intersection of Sunnyside and Bone roads from the surrounding grassl…

Visitors appear to be steering clear of some U.S. national parks or cutting visits short because of pollution levels that are comparable to wh…

BOISE, Idaho (AP) — Federal officials are proposing approving Idaho's request to loosen field burning rules that backers say offer more flexib…

SALT LAKE CITY (AP) — Ozone levels in northern Utah's murky air have reached their worst levels in nearly 10 years this summer.