The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the general public may experience health effects and members of sensitive ...

Wondering what the air quality is like in your neighborhood? This interactive map gives you up-to-the-minute air quality updates and health recommendations for communities across Los Angeles ...

Researchers at the University of Southern California have released an interactive map to show Angelenos how pollution from diesel truck traffic affects neighborhoods and streets across the region.

Despite Tuesday’s green map from the South Coast Air Quality Management District, showing air quality in Los Angeles County was “good,” people should continue to take precautions outdoors ...