On May 27, 2025, the comment period begins for the State of Arizona’s 5-Year Network Assessment for 2025 prior to submission to the U.S. Environmental Protection Agency (EPA). The comment period ends June 26, 2025.

This report includes an executive summary of findings, ranking analysis of current ADEQ air quality monitors, and a spatial raster analysis that shows areas of Arizona for potential monitoring purposes to protect public health and the environment.

Review Documents:

• Original Published Public Notice | View > 
• Draft 2025 Arizona 5-Year Network Assessment | View > 
• Or in person at: 
  • ADEQ Record Center, Phoenix, Arizona | Learn How >
  • ADEQ Southern Regional Office, Tucson, Arizona | Learn How >

Public Comment Period:

Dates:  May 27, 2025 – June 26, 2025

Comments may be submitted as follows:

•      By Email | Send Email >
•      By Mail (Must be postmarked or received by June 26, 2025):

ADEQ
Air Quality Division, Air Monitoring and Assessment
Attn: Amanda Welser
1110 W. Washington St.
Phoenix, AZ 85007

Questions?

Email >
Ph: 520-628-5032