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

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

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

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

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

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.

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 ...

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...

California fire live: The death toll from wildfires in Los Angeles has risen to ten from seven, Los Angeles County's Medical Examiner announced in an update late on Thursday.

Though only 2 percent of its total length, the 54 km section of the river that flows through Delhi accounts for over 75 ...