# san-francisco-bay-area-ca-moderate · CALIFORNIA · San Francisco County · PM-2.5 (2006) — Current EPA nonattainment county designations by pollutant

For san-francisco-bay-area-ca-moderate · CALIFORNIA · San Francisco County · PM-2.5 (2006), pollutant / naaqs is PM-2.5 (2006); nonattainment area name is San Francisco Bay Area, CA - (Moderate); county or area is San Francisco County; state is CALIFORNIA; data current as of is August 31, 2026, recorded from its source on 2026-08-31.

- **Row ID:** san-francisco-bay-area-ca-moderate _(our reading, not quoted from the source)_
- **State:** CALIFORNIA _(our reading, not quoted from the source)_
- **County or area:** San Francisco County _(verified: appears in the quote below)_
- **Pollutant / NAAQS:** PM-2.5 (2006) _(verified: appears in the quote below)_
- **Nonattainment area name:** San Francisco Bay Area, CA - (Moderate) _(verified: appears in the quote below)_
- **Data current as of:** August 31, 2026 _(verified: appears in the quote below)_

## What the source says

> San Francisco County | PM-2.5 (2006) | | San Francisco Bay Area, CA - (Moderate)

## Source

- https://www3.epa.gov/airquality/greenbook/ancl.html

Last verified: 2026-08-31. Review by: 2027-02-27.
Part of [Current EPA nonattainment county designations by pollutant](https://referencesource.org/nonattainment-county-designations-by-pollutant/).