Fremont, CA · the CityFunIndex
Air quality in Fremont
Fremont ranks T#15 of 134 US cities for clean air, with a clean-air score of 89 — Exceptional. That puts it in the 90th percentile nationally and #2 of 18 in California.
- clean-air score
- 89
- Exceptional
- National rank
- T#15 of 134
- In California
- #2 of 18
- Percentile
- 90th
The typical city scores 50 for clean air; Fremont sits 39 points above the median.
How air quality is measured
Recent particulate matter and ozone levels — a trailing-week air-quality average.
The clean-air score is the flip side of our air quality measure — 100 minus the raw air quality score — so a city with less of it scores higher.
Data sources: EPA AirNow and OpenAQ pollution readings (seven-day trailing average).
Full methodology → Glossary The raw measurement is part of the Data plan →
Ranked around Fremont
- #13 Billings, MT 91
- #14 Richmond, VA 90
- T#15 Fremont, CA — this page 89
- #17 Sacramento, CA 88
- #18 San Francisco, CA 87
Top US cities for clean air
More about Fremont
Fremont scores 54 overall (Fun) on the CityFunIndex. Its strongest factors: