After a windy and dusty Friday in parts of the Coachella Valley, the air quality is expected to improve by Saturday morning as winds subside.

The Los Angeles region has some of the most polluted air in the United States, failing to meet standards set by the ...

After years of worsening air, Mumbai is finally breathing a little easier. The city’s air quality is returning to ...

A rare dust storm engulfed the city of Chicago, creating apocalyptic sights and dropping visibility levels to near zero.