The municipalities can use the data they gather to enact air pollution policies and monitor progress. And in regions where literacy might not be widespread, images like the photos from this ...

Pollution regulations began after the Environmental Protection Agency formed in 1970. The Trump administration has recently ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

Los Angeles has struggled with air pollution problems since before smog ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them available online ...

NEW DELHI (AP) — Authorities in India’s capital shut schools, halted construction and banned non-essential trucks from entering the city on Monday after air pollution shot up to its worst ...

None of the photos we've selected are pretty ... University said 41 people living in Delaware still die because of air pollution every year, The News Journal reported. In Denver, murky light ...

Air pollution is causing kids to have asthma attacks ... with smog and high levels of particulate pollution. Surreal photos of New York City then showed the city glowing under an eerie orange ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

That contributed to the geographic distribution of air pollution’s shift eastward (Getty Images) California cities, however, still led the nation in air pollution. Fire-riddled Los Angeles ...

Studies show the extreme air pollution is caused by the confluence ... Arif Ali/AFP via Getty Images "Everybody is coughing and having asthma attacks and allergy attacks," said Sarah Javed ...

Los Angeles has struggled with air pollution problems since before smog became a term ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them available ...