With bipartisan leadership and cooperation between the U.S. and Canada, acid levels slowly reduced, and recent samples ...

Feb. 3, 2025 — Long-term exposure to PM2.5, PM10, NO2 and ozone (O3) air pollution is associated with more hospital admissions for lower respiratory tract ... Jan. 7, 2025 — If you like the ...

Fires and agricultural soils can rival cars and factories in emitting chemicals that lead to ozone, making it hard to meet air quality standards.

This blog post explores the factors contributing to air pollution and introduces two instruments for continuous ambient air ...

According to researchers from the University of Southern California’s Department of Astronautical Engineering, aluminium oxide can act as a catalyst for chemical reactions that involve chlorine, much ...

“Rain is the best thing for air quality; it wipes out all the airborne pollution, particulates out of the air, it’s pretty intuitive, just thinking that rain just cleans the air out,” said ...

The vast majority of the world’s population continues to breathe unsafe air, with pollution levels far exceeding recommended limits in most regions. The study found that 126 of the 138 countries ...

Copyright 2025 The Associated Press. All Rights Reserved. Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it ...

The US government will stop sharing air quality data gathered from its embassies and consulates, worrying local scientists and experts who say the effort was vital to monitor global air quality ...

In 1985, scientists discovered a "hole" in the ozone layer over Antarctica that opened up during the austral spring, between September and December. This seasonal ozone depletion was suddenly ...