# Determination of Attainment by the Attainment Date for the Salt Lake City, Utah and Provo, Utah 2006 24-Hour PM2.5 Nonattainment Areas
> **Rule** · Final action. · Published 2020-11-17 · Effective 2020-12-17 · 85 FR 73229
## Document
- **Document number:** 2020-24443
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 73229
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-11-17
- **Effective date:** 2020-12-17
- **State:** UT
- **EPA docket:** EPA-R08-OAR-2020-0002
## Abstract

The Environmental Protection Agency (EPA) has determined that the Salt Lake City, Utah and Provo, Utah Serious nonattainment areas (NAAs) attained the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standards (NAAQS) by the December 31, 2019 "Serious" area attainment date. The determination is based on quality-assured, quality-controlled and certified ambient air quality monitoring data from 2017 through 2019, available in the EPA's Air Quality System (AQS) database.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/11/17/2020-24443/determination-of-attainment-by-the-attainment-date-for-the-salt-lake-city-utah-and-provo-utah-2006)
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