Air pollution is a severe risk to human health and the environment, particularly from fine particulate matter (PM2.5) and ozone (O 3). Despite global efforts, many cities continue to face significant ...

Wildfire smoke flight delays hit Great Lakes airports July 15 as Canadian PM2.5 haze blankets 100 million Americans. Toronto ...

The U.S. Environmental Protection Agency (EPA) in February issued a final rule imposing tighter restrictions on fine particulate matter (PM2.5) or soot. “This final rule does not make any air quality ...

As wildfire smoke blankets the East Coast, Air Quality Index and PM2.5 numbers are everywhere. Here’s what they mean. Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 ...

PM2.5 designates a near-ubiquitous air-polluting particle that frequently appears in the scientific literature as well as popular press news items. But few of us really know what they are talking ...

PM2.5 has become a major environmental and health problem in Southeast Asia. To deal with the issue, members of the Association of Southeast Asian Nations (Asean) have put in place PM2.5 standards to ...

Researchers found prolonged exposure to fine particulate matter independently reduced kidney function, with Delhi residents showing a steeper decline than Chennai.

Long-term exposure to PM2.5 air pollution can harm kidney function, even in young, healthy adults, a study reveals, linking ...