Arizona Air Quality Progress: Phoenix-Mesa Meeting Pollution Standards (Except for Pollution from Other Countries)
Official: Air Quality State Implementation Plans; Approvals and Promulgations: Arizona; Phoenix-Mesa Nonattainment Area; Determination of Attainment by the Attainment Date but for International Emissions for the 2015 Ozone National Ambient Air Quality Standards
Reading: EPA approval of Arizona's State Implementation Plan determination maintains existing ozone air quality standards and attainment procedures without substantive modification.
This is a technical determination about whether the area is meeting its pollution reduction goals under federal environmental laws.
In clear language
The EPA is confirming that the Phoenix-Mesa area in Arizona would meet federal air quality standards for ozone by the required deadline if it weren't for pollution drifting in from other countries. This is a technical determination about whether the area is meeting its pollution reduction goals under federal environmental laws.
How does this affect you?
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Who does this affect?
- Residents of the Phoenix-Mesa area in Arizona who breathe the air
- Arizona state environmental agencies responsible for air quality
- Businesses operating in the Phoenix-Mesa region that are subject to air quality regulations
What can you do?
- If you live in Phoenix-Mesa, monitor local air quality reports and limit outdoor activities on high ozone days
- Support state and local efforts to reduce emissions from vehicles and industry in your area
Timeline
- April 6, 2026 - EPA final rule posted
No New Jersey official has a verified action on this policy yet.
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