The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

Meteorologists at the National Weather Service have issued a string of "air stagnation advisories" to warn residents to brace for increased levels of pollution due to the weather conditions.

“People living next to these large magnets for diesel pollution are breathing some of the most toxic air in the country.” But trucking industry professionals argue that maps like this could be ...

“People living next to these large magnets for diesel pollution are breathing some of the most toxic air in the country.” But trucking industry professionals argue that maps like this could be ...