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Juneau State Office Mailing Address Update

All mail sent to the DEC office in Juneau through the U.S. Postal Service must be addressed to P.O. Box 111800, Juneau, AK, 99811. Beginning October 1, all mail addressed to our Willoughby Avenue address will not be delivered and will be returned to sender by the Post Office. This change only impacts incoming mail to the Juneau office.

Air Monitoring & Quality Assurance


  • Program Manager: Barbara Trost
  • 907-269-6249

The Division of Air Quality, Air Monitoring & Quality Assurance Program operates and oversees air quality monitoring networks throughout Alaska. Our primary services include:

  • Operating ambient air quality monitoring networks to assess compliance with the National Ambient Air Quality Standards (NAAQS) for carbon monoxide, particulates, nitrogen dioxide, sulfur oxide, ozone, and lead.
  • Assessing ambient air quality for ambient air toxics level.
  • Providing technical assistance in developing monitoring plans for air monitoring projects.
  • Issuing Air Advisories to inform the public of hazardous air conditions.

About the Air Monitoring and Quality Assurance Group