An air quality alert is in place for parts of Southern California on Thursday as windblown dust creates hazardous conditions.

That’s worse than the last two yearly reports, which Chicago ranked 17th. California dominated this year’s list, with 9 of the 25 most polluted cities. Los Angeles ranked first for most polluted by ...

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even ...

After a decidedly weird and only occasionally wet winter, California is once again drying out — and fast. New data compiled by the National Oceanic and Atmospheric Administration shows that ...