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 ...

Dust and ash left behind from the January wildfires in Los Angeles County can be irritating and hazardous to health when it’s picked up by winds and spread throughout Southern California. Windblown ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels in multiple counties.

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 ...

Wildfire ash carries many carcinogens that could cause short- and long-term health problems, including asthma attacks and ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Naturally, people in the Los Angeles area are reaching for their phones to see what the Air Quality Index (AQI ... even when the AQI can’t tell us the full picture. How to think about risk ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

Rather than relying solely on the Air Quality Index, Wexler recommends checking out PurpleAir Map, which tells you where the plumes of smoke are in real time. "If the plume is where you are or ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot particles that can penetrate the lungs and brain dropped to moderate levels, ...

"They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind of localized level that really matters to people," he says. The Air Quality ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.