(TNS) — New images released by NASA show Dallas is among the nation’s hotspots for air pollution, largely driven by the region’s tangle of highways and relentless traffic. The images come from a new ...

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few ...

Cities across the East Coast were blanketed with hazy and smoky conditions this week from fires burning across Canadian territory. The Air Quality Index (AQI) in New York City, Philadelphia and ...

The instrument, called TEMPO, will make hourly measurements of pollutants over North America that could help reduce exposure to unhealthy air Will Sullivan - Daily Correspondent Smoke from wildfires ...

Add Yahoo as a preferred source to see more of our stories on Google. Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly ...

Before environmental regulation, New York City struggled with severe pollution. The city's coastlines were often the sites of illegal dumping. Pollution regulations began after the Environmental ...

A motorcyclist in Los Angeles prepares to turn while driving along a street engulfed in a thick haze combined by fog and smog in 1958.Bettmann / Getty For much of its history, the city of stars could ...