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

but nearly half of Americans still live with unhealthy air pollution, a new report finds. The report comes as the Trump administration is considering rolling back some key air quality regulations.

Tyler Pasciak-LaRiviere/Sun-Times Share Man-made air pollution has decreased in recent years — but overall air pollution is worsening due in part to wildfires sweeping smog across the country ...

Listen to more stories on the Noa app. It’s hard to picture a person dropping dead from air pollution, yet it happens all the time. In the United States, particulate matter is estimated to kill ...

This substance is air pollution in the form of fine particulate matter (known as PM2.5). A firefighting helicopter drops water as the Hughes Fire burns north of Los Angeles on January 22 ...

New Jerseyans continue to breathe some of the nation’s worst air — partly due to emissions from refineries, power plants, car traffic and wildfires. But experts told NJ Advance Media there’s ...