The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air quality is closely tied to weather patterns. Clear, breezy days help ...

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

Los Angeles is the smoggiest U.S. city for the 25th time in 26 years, despite reducing unhealthy ozone days by 40% since 2000 ...

Monitoring systems are not all encompassing and do not always pick up all of the hundreds of harmful chemicals released, ...

and other environmental health hazards and shared them with the public through the local Air Quality Index. But the monitoring system misses hundreds of harmful chemicals released in urban fires, and ...

The American Lung Association’s report ranks the Atlanta metro area as the third-worst in the Southeast for ozone pollution.