Clean Air Act Air Quality Standards (California v. Zeldin, N.D. Cal.)

Lawsuit challenging the Environmental Protection Agency’s refusal to issue nationwide compliance designations identifying areas that meet (or do not meet) air quality standards under the Clean Air Act.

Litigation Details

Case filed on: April 24, 2026

Docket Links:      Trial »

Updates

Date

Update

04/24/2026

On 4/24/26, the states filed their complaint.

05/06/2026

On 5/6/26, the plaintiff states filed a motion for summary judgment.