Regional Haze SIP Planning

Proposed Regional Haze SIP Revision

  •  Proposed SIP Revision: Regional Haze Program (2018-2028) | View Download >

Non-point Sources

Stakeholder Meetings

May 26, 2022

September 22, 2020

March 23, 2020

September 16, 2019

August 19, 2019

Arizona Regional Haze SIP Third Meeting 

April 1, 2019

Arizona Regional Haze SIP Second Meeting

October 2, 2018

Arizona Regional Haze SIP Kickoff Meeting

Planning Documents

Additional Resources

  • Guidance on Regional Haze State Implementation Plans for the Second Implementation Period | View/Download >
  • Western Regional Air Partnership (WRAP) Regional Haze Planning | View/Download >
  • EPA National Emission Inventory (NEI) | View/Download >