Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of inhaling smoke.

Los Angeles is now a week removed from the day that multiple devastating wildfires erupted to torch tens of thousands of ...

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

(Reuters) - Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

Even with thick smoke coming from the Hughes Fire, skies have been clear in many areas, and the air quality forecast has been ...

Los Angeles. "They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening ...

Tens of thousands of people have evacuated their homes and at least two have died in raging fires sweeping across Los Angeles County ... According to nationwide Air Quality Index data maintained ...

Jan 16 (Reuters) - 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 ...