Why aren’t dirty diesel trucks in California smog-checked? That could soon change Traffic flows on the 60 Freeway as trucks pass through Jurupa Valley, Calif., on Feb. 12, 2020.

LOS ANGELES (CBSLA) — Our beautiful blue sky gave way to an ugly and unhealthy 87 consecutive "bad air" days this summer. "I already know it when I wake up in the morning. I have a hard time ...

Air pollution increases along with production and population, sending noxious cocktails of smog for neighboring nations to breathe. Scientists studying cross-border air pollutants hope to end the ...

Smog for kids is bad. Smog for grown-ups might be worse. New research suggests growing up in dirty air leads to life-long health problems.

Nearly half of Americans exposed to unhealthy levels of smog and air pollution, study says 01:19. More than two of every five Americans reside in counties with unhealthy levels of smog and air ...

There's a silver lining in the dirty clouds, though, as the number of high-ozone days in metro L.A. has dropped by 25 percent since 2000. What are the health effects of these high pollution levels ...

The smog free ring takes this trend a step further by giving brides the opportunity to wear a ring that isn’t just conflict-free and neutral; it actually helps remove negative debris from the world.

The Nevada Department of Motor Vehicles has offered its Smog Spotter program for over 20 years, helping bust thousands of dirty drivers each year. In 2018, 8,707 vehicles were reported to the DMV ...

To the editor: I remember my first trip to Southern California in 1963. We were driving with some friends and my eyes kept watering and stinging. “What’s this?” I asked. My California friend ...

CHICAGO — When it comes to lung-damaging smog, Chicago and the rest of Cook County are the nation’s worst neighbors. Newly released data from the U.S. Environmental Protection Agency show air ...

THE SMOG CLEARED AND THE INCIDENT WAS NEVER SPOKEN ABOUT AGAIN. ... It was a dirty color." It all began in the early morning hours of Tuesday, Oct. 26, ...

When it comes to lung-damaging smog, Chicago and the rest of Cook County are the nation’s worst neighbors. Newly released data from the U.S. Environmental Protection Agency show air pollution ...