The New Mexico Environment Department will receive a $500,000 mobile air quality monitor as part of a 2022 settlement between a conservation group and oil producers. WildEarth Guardians sued ...

The Alaska Department of Environmental Conservation’s Air Quality Division is seeking to have wildfire smoke levels for 2022 ...

Official government sensors did not reflect ... The top of Mount Diablo remained visible. Click here to use the Chronicle’s live air-quality tracker. Newsroom meteorologist Anthony Edwards ...

Air quality updates have become a routine part of many weather forecasts, and the US government has a site where ... Should I wear a mask or use an air purifier? Follow the advice for your local ...