Leading air quality experts are expected to gather in Phoenix to "address rising ground-level ozone concentrations in ...

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 Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...

Winter is respiratory illness season in Arizona. Large numbers of patients are showing up at our local emergency departments coughing, wheezing and gasping for air. Viruses, bacteria and fungi cause ...