Page 7 - Clean Air Program News Today

Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Friday from Pima County that some residents should avoid intense physical outdoor activity.

Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Thursday from Pima County that some residents should avoid intense physical outdoor activity.

Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Wednesday from Pima County that some residents should avoid intense physical outdoor activity.

Air pollution in the Tucson metro area, including moderate concentrations of ground-level ozone, prompted an advisory Friday from Pima County that some residents should avoid intense physical outdoor activity.

Discover how climate change is affecting U.S. national parks, what travelers can expect, and how they can better prepare.

The report looked at three main ways in which air pollution impacts parks: hazy skies, unhealthy air and harm to nature.

A report finds that one in four people in the U.S. breathe unhealthy air as rising temperatures and bigger fires create a "climate penalty."

Smog is so bad in the Indian capital that years are being taken off peoples lives, but China has shown how...

The head of the Colorado Energy office explains why he believes the state's new greenhouse gas reduction plan is an effective way to clean the air and protect businesses

On UN holiday International Day of Clean Air for blue skies, KGUN 9 takes a look at how Tucson ranks among Western metropolitan cities.