The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

During winters, the Delhi-NCR region enforces restrictions under GRAP, which categorizes air quality into four stages.

Air quality in Pittsburgh is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health and has been a problem in Pittsburgh for ...

The court denied the request for an extension of his police custody and instead remanded him to judicial custody for 14 days.

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.