It looks at data from air quality monitors to tell which cities are the cleanest and most polluted for ozone and short-term ...

The iconic skyline of downtown Los Angeles has been clouded by smog for decades, so this title should come as no surprise to Angelenos. Yet again, L.A. is the smoggiest city in the U.S., according ...

The 2025 "State of the Air" report from the American Lung Association reveals that nearly half of all Americans are exposed ...

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

Recent poor air quality, driven by strong winds and dust, continues to impact people across the Valley, especially senior. Seniors are more susceptible to respiratory complications due to poor air ...