Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

As firefighters close in on the Palisades and Eaton fires — with both nearly 100% contained as of Tuesday, Jan. 27 — concerns remain about lasting public health impacts across L.A. county from the ...

By Janay Reece Click here for updates on this story DUNDALK, Maryland (WJZ) — On Friday afternoon, small slivers of smoke could still be seen rising above the remnants of the Owl Metals Recycling ...

A Palisades Fire victim who is a pulmonologist sets up a Disaster Relief Pulmonary Clinic Amidst strong winds expected on the evening of Jan. 20 through late in the evening on Jan. 21, the Los Angeles ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

as judged by the EPA's Air Quality Index rating system. Moderate air quality is between 51 and 100, or in the yellow band of the AQI scale. Air quality in the moderate range can still be risky for ...

Calm winds, low temperatures and foggy conditions allowed the accumulation of pollutants in the region, with the air quality index soaring from 275 on Tuesday to 396 at 6 pm on Wednesday.

Blowing dust may result in air quality index levels that are unhealthy for sensitive groups or worse. The winds may disperse ash from the Palisades and Eaton fires, which have burned a combined ...

Photo by Jules Hotz for CalMatters. Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A.