In recent days, the air quality index has been at "Unhealthy" levels in New York City from the Canadian wildfires smoke. People have been warned to avoid outdoor physical activities. Those who spend ...

Air pollution processes encompass a range of chemical, physical, and biological transformations that occur in the atmosphere as pollutants are emitted from a variety of sources – including industrial, ...

Anyone who grew up near Los Angeles prior to auto emissions regulations knows what bad air looks like. The same is true for many who have grown up in countries that have perennial air quality issues.

CPR News conducted air quality testing for two days in February and June 2023. For the first, we rented a pair of handheld sensors that detect and count ultrafine particles emitted from vehicles. We ...

This post was updated Jan. 20 at 10:09 p.m. Wildfires in the Pacific Palisades have burned over 6,000 structures, releasing toxic smoke that threatens Los Angeles residents’ health. Although UCLA has ...

If you’ve been obsessed with air quality since the sky turned orange this summer, Eli Dueker, co-director of Bard College’s Center for Environmental Sciences and Humanities, understands. But he’s not ...

WORCESTER – It's easy to miss it, if you’re not paying attention. A big metal box the size of a large storage shed with instruments sticking out is tucked behind a fence with weeds popping up around ...

Due largely to the coronavirus pandemic and the increasing number and intensity of wildfires, many people have become more concerned about air quality, including in their own homes. To track indoor ...