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 ...

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 ...

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

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 ...

(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 ...