# Designation of Areas for Air Quality Planning Purposes; California; Coachella Valley 8-Hour Ozone Nonattainment Area; Reclassification to Extreme
> **Rule** · Final rule. · Published 2019-07-10 · Effective 2019-07-10 · 84 FR 32841
## Document
- **Document number:** 2019-14612
- **Category:** air-emissions
- **Federal Register citation:** 84 FR 32841
- **CFR reference:** 40 CFR 81
- **Publication date:** 2019-07-10
- **Effective date:** 2019-07-10
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2019-0840
## Abstract

Under the Clean Air Act (CAA or the "Act"), the Environmental Protection Agency (EPA) is granting a request from the State of California to reclassify the Coachella Valley ozone nonattainment area from "Severe-15" to "Extreme" for the 1997 8- hour ozone national ambient air quality standards (NAAQS). This action does not reclassify any areas of Indian country within the boundaries of the Coachella Valley 1997 ozone nonattainment area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/07/10/2019-14612/designation-of-areas-for-air-quality-planning-purposes-california-coachella-valley-8-hour-ozone)
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