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

One part of Sydney has several suburbs with near perfect scores. But less than an hour away, it was a different story.

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, where air quality is notably unhealthy. Why would a fire more than 150 ...

Dozens of suburbs received a perfect score under a new rating system that assesses air quality, green space and variances in ...

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

A new study looking at the nation’s healthiest cities has turned up some surprising results. Use our interactive map to discover where your suburb is ranked.

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

Here's how to tell if you're in an area at risk. What is the Air Quality Index, or AQI? The Air Quality Index, often referred to as AQI, is a federal measure of the amount of air pollution ...

Tens of thousands of people have evacuated their homes and at least two have died in raging fires sweeping across Los Angeles County Wednesday. Multiple wildfires spread by strong Santa Ana winds ...

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

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 ...

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