Elevated levels of PM2.5 mean the pollution may pose a health risk to all members of the public in the affected areas.

There has been a lot of talk about air quality levels as nearly the entire tri-state area has been engulfed by smoke coming down from wildfires in Canada. But what do all the numbers actually mean?

According to a new study published in JAMA Network Open, exposure to fine particulate matter air pollution during the early ...

Denver still has air pollution problems, due in part to its geography, which creates temperature inversions that can hold ...

Bangkok air quality worsens as PM2.5 levels spike, with red zones reported across the city. Mask use urged with reduced outdoor activity.

Red (seriously harmful) levels of PM2.5 blanketed Bangkok and 20 provinces, with 54 provinces in total covered with unsafe degrees of ultrafine dust on Wednesday morning.The Geo-Informatics and Space ...