The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy.

If redness is a regular occurrence for your skin, you may need to check the air quality in the area where you live, according ...

The effects of childhood exposure to poor air quality may be small for the individual, but at a population level, they could ...

It's been decades of big deals for the desert — but a yearslong fight over air pollution could endanger future ones ...

The U.S. Environmental Protection Agency will soon decide whether to escalate the Phoenix area's air pollution status ... damaging effects of ultraviolet radiation generated by the sun.

The WHO has identified air pollution as the biggest environmental threat to human health globally. Each year, an estimated ...

Referring to a little-known provision, it said power plants and others could write to seek exemptions to mercury and other ...

Clean air has become one of America’s best investments, returning $10 for every $1 spent on regulations, by one estimate.

Mar. 12, 2025 — New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being ...

After a year of fastidious planning, a microscopic sample of the ultra-rare radioactive element berkelium arrived at a ...

Fine particulate matter (PM2.5) appears to be associated with skin redness across age groups, according to a study published ...