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    • Air quality alert issued for Maricopa County

      AZCentral | The Arizona Republic via Yahoo News· 2 hours ago

      The warning expires at 9 p.m. May 22. The Arizona Department of Environmental Quality has issued an ozone high-pollution advisory for the Phoenix area for Tuesday and Wednesday ...

    • Ozone air pollution day issued by PDEQ

      Ozone air pollution day issued by PDEQ

      KVOA Tucson· 4 days ago

      Today has been declared an Ozone Action Day for the Tucson metropolitan area by the Pima County Department of Environmental Quality.

    • You got an air quality alert. What now?

      You got an air quality alert. What now?

      Yahoo Life· 9 hours ago

      There are about 4,000 monitoring stations owned and operated mostly by state environmental agencies and regulated by the EPA that send hourly or daily...