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

The Netherlands Institute for Space Research (SRON) in Leiden presented a map on Friday showing fine particulate levels ...

According to the National Weather Service (NWS), exposure to particle pollution may trigger asthma attacks, respiratory infections, and cardiovascular complications. A live map from AirNow showed ...

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

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

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

There are many pollutants of concern in wildfire smoke,” including ozone, carbon monoxide and other toxic gases, says pediatrician Debra Hendrickson.