Viruses, bacteria and fungi cause many of these problems, but Arizona’s air pollution also contributes to numerous emergency department visits. And the effects of air pollution are not so easy ...

PHOENIX — Maricopa and Pinal counties both failed to meet federal air quality standards and will now become part of a national study. The Arizona Department of Environmental Quality (ADEQ ...

An Air Quality Alert is in effect for the Valley ... the weekend as a storm system runs along the West Coast and north of Arizona. This system will help our high temperatures slip back to the ...

Will Humble, executive director of the nonprofit Arizona Public Health Association, noted the extremely hazardous air quality in a tweet and mentioned that aerobic exercise “will do more harm ...