Cleanest Air in California

Top 100 cities ranked by cleanest air

Best Cities For...

Composite rankings combining multiple weighted metrics, 5 topics across U.S. Census, FBI, NOAA and CDC data.

Best Cities for Retirees
Low crime, warm climate, affordable cost of living and strong healthcare access.
Best Cities for Remote Workers
Strong broadband, affordable rent, low traffic and existing remote-work culture.
Best Cities for Families
Strong schools, low crime, affordable homes and family-friendly commutes.
Best Cities for Young Professionals
High incomes, educated peers, transit access and an under-35 demographic.
Most Affordable Cities
The lowest cost of living across home prices, rent, services and rent burden.
Population & Density
Largest Cities Smallest Cities Most Dense Least Dense
Economy
Highest Income Lowest Income Lowest Unemployment Highest Unemployment Lowest Poverty Highest Poverty Highest Wages Cheapest Cost of Living
Housing
Highest Home Value Most Affordable Highest Rent Lowest Rent Highest Homeownership Newest Housing Lowest Property Tax
Demographics & Education
Most Educated Best Schools Most Graduate Degrees Youngest Cities Oldest Cities Most Veterans
Health & Safety
Safest Cities Highest Crime Healthiest Cities Lowest Smoking Best Doctor Access Best Dental Access
Climate & Air
Warmest Cities Coldest Cities Rainiest Cities Driest Cities Snowiest Cities Cleanest Air Worst Air Quality
Quality of Life
Shortest Commute Most Work From Home
Civic & Politics
Most Republican Most Democratic Most Disasters
Geography & Infrastructure
Highest Elevation Best Broadband Most EV Stations Most Libraries Most Restaurants
All Countries  ·  United States  ·  California

Cleanest Air - California

1 Mammoth Lakes AQI 19
2 Cotati AQI 19
3 Cloverdale AQI 19
4 Santa Rosa AQI 19
5 Rohnert Park AQI 19
6 Clearlake AQI 19
7 Larkfield-Wikiup AQI 19
8 Windsor AQI 19
9 Sebastopol AQI 19
10 Healdsburg AQI 19
11 Palo Alto AQI 27
12 Fairview AQI 27
13 Castro Valley AQI 27
14 Foster City AQI 27
15 Oakland AQI 27
16 Kensington AQI 27
17 Pleasant Hill AQI 27
18 San Pablo AQI 27
19 Emeryville AQI 27
20 El Sobrante CDP (Contra Costa County) AQI 27
21 Stanford AQI 27
22 Newark AQI 27
23 Saranap AQI 27
24 San Bruno AQI 27
25 Strawberry CDP (Marin County) AQI 27
26 Albany AQI 27
27 Los Altos AQI 27
28 Orinda AQI 27
29 Hayward AQI 27
30 Sunnyvale AQI 27
31 Belmont AQI 27
32 North Fair Oaks AQI 27
33 Kentfield AQI 27
34 South San Francisco AQI 27
35 Woodside AQI 27
36 Sausalito AQI 27
37 San Rafael AQI 27
38 Corte Madera AQI 27
39 Menlo Park AQI 27
40 Union City AQI 27
41 Concord AQI 27
42 Half Moon Bay AQI 27
43 Berkeley AQI 27
44 Hillsborough AQI 27
45 Richmond AQI 27
46 Walnut Creek AQI 27
47 El Granada AQI 27
48 Moraga AQI 27
49 Tamalpais-Homestead Valley AQI 27
50 Piedmont AQI 27
51 Ashland AQI 27
52 Alamo AQI 27
53 Burlingame AQI 27
54 San Mateo AQI 27
55 Daly City AQI 27
56 Atherton AQI 27
57 Alameda AQI 27
58 Mill Valley AQI 27
59 East Palo Alto AQI 27
60 El Cerrito AQI 27
61 Lafayette AQI 27
62 Cherryland AQI 27
63 San Carlos AQI 27
64 Contra Costa Centre AQI 27
65 Redwood City AQI 27
66 Cupertino AQI 27
67 San Lorenzo AQI 27
68 San Leandro AQI 27
69 Larkspur AQI 27
70 Millbrae AQI 27
71 Pacifica AQI 27
72 San Anselmo AQI 27
73 Martinez AQI 27
74 Los Altos Hills AQI 27
75 Tiburon AQI 27
76 Pinole AQI 28
77 Hercules AQI 28
78 Vallejo AQI 28
79 Lucas Valley-Marinwood AQI 28
80 Petaluma AQI 28
81 Novato AQI 28
82 Rodeo AQI 28
83 Crescent City AQI 32
84 Lakeport AQI 32
85 San Francisco AQI 33
86 Arcata AQI 38
87 Myrtletown AQI 38
88 Eureka AQI 38
89 McKinleyville AQI 38
90 Fortuna AQI 38
91 Soledad AQI 39
92 Gonzales AQI 39
93 Dixon AQI 39
94 Scotts Valley AQI 39
95 Seaside AQI 39
96 Pacific Grove AQI 39
97 Bay Point AQI 39
98 Pittsburg AQI 39
99 Ben Lomond AQI 39
100 Monterey AQI 39

Explore the top 100 cities ranked by cleanest air in California.

City rankings help residents, researchers, and policymakers understand how communities compare across important quality-of-life measures.

Data is sourced from the U.S. Census Bureau, FBI Crime Statistics, and NOAA climate records.

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