The way Arizona state Sen. Frank Carroll sees it, some share of the pollution in Arizona is due to emissions from other ...

So he wants Arizona to sue any person from any other state or country whose emissions damage the air quality here.

Air quality worsened during the holiday season ... dust and other pollutants as if it were a lid. Phoenix, which is surrounded by mountains and areas with dusty, dry surfaces, faces a particularly ...

The way state Sen. Frank Carroll sees it, some share of the pollution in Arizona is due to emissions from other states and ...

While wildfire smoke has certainly affected Phoenix air on numerous occasions, that's not true this time, according to the Arizona Department of Environmental Quality. “We want you to know ...

Maricopa and Pinal counties both failed to meet federal air quality standards and will now become part of an Arizona State ...

The same Santa Ana winds spreading wildfire across southern California are blowing the smoke over the Pacific Ocean, not into Arizona.

Compared to Phoenix air quality around the holidays and after New Year's, things are definitely improving. “Our particulate levels are elevated a little bit, but they’re much better than the ...

Arizona is the only state with 'unhealthy' air quality. Part of it stems from our geography, but part also comes from our choices.