New rules for tracking and trading pollution credits in Maricopa County, Arizona
Official: Air Plan Revisions; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits
Reading: This document is an EPA proposed rule for Arizona (Region 9) concerning Maricopa County air quality and emission reduction credits, with no stated New Jersey-specific provisions or consequences.
The comment period for this rule has already closed.
In clear language
The EPA is updating air quality rules for Maricopa County, Arizona to change how companies track and trade pollution reduction credits when building new facilities. This rule affects how much pollution new factories and businesses can emit and how they can earn credits by reducing emissions elsewhere. The comment period for this rule has already closed.
How does this affect you?
Pick the type of resident or organization you most identify with — we'll generate a plain-language breakdown of what changes for you and what you can do about it.
Who does this affect?
- New businesses and factories planning to build in Maricopa County, Arizona
- Existing companies that produce pollution and can earn credits by reducing emissions
- Arizona state and local air quality agencies managing air pollution
- Residents in Maricopa County who breathe the air
What can you do?
- If you live in Maricopa County, monitor your local air quality through AirNow.gov to understand pollution levels in your area
- Contact your local air quality agency or city council to ask about how these rules affect development projects in your community
Timeline
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- Comment period closed: 2026-05-19
- 2026-04-16: Rule proposed
- 2026-05-19: Comment period closed
No New Jersey official has a verified action on this policy yet.
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