Air Quality Ranking — California

Updated June 22, 2026

Explore how cities across California compare on Air Quality. Scores reflect neighborhood-level data aggregated to the city level. How air quality is measured →

Top Air Quality Cities in California

#1
Casa Conejo10

#2
Cherry Valley10

#3
Sunnyside-Tahoe City10

#4
Thousand Oaks10

#5
Oak Park10

#6
Mentone10

#7
Albany10

#8
Isla Vista10

#9
Santa Barbara10

#10
Arroyo Grande10

Full California Air Quality City Ranking

State average:7.58— scores above this beat the state average
CityScoreState Rankvs. State Avg
Casa Conejo10#1+2.4
Cherry Valley10#2+2.4
Sunnyside-Tahoe City10#3+2.4
Thousand Oaks10#4+2.4
Oak Park10#5+2.4
Mentone10#6+2.4
Albany10#7+2.4
Isla Vista10#8+2.4
Santa Barbara10#9+2.4
Arroyo Grande10#10+2.4
El Rio10#11+2.4
San Jacinto10#12+2.4
Napa10#13+2.4
Oxnard10#14+2.4
San Luis Obispo10#15+2.4
Valle Vista10#16+2.4
Westlake Village10#17+2.4
San Buenaventura (Ventura)10#18+2.4
Pismo Beach10#19+2.4
Shasta Lake10#20+2.4
Lake Arrowhead10#21+2.4
Fullerton9.9#22+2.3
Hemet9.9#23+2.3
Moreno Valley9.9#24+2.3
Berkeley9.9#25+2.3
West Hollywood9.9#26+2.3
Agoura Hills9.9#27+2.3
Claremont9.8#28+2.2
Santa Clarita9.8#29+2.2
Lucas Valley-Marinwood9.8#30+2.2
Nuevo9.8#31+2.2
Azusa9.7#32+2.1
San Clemente9.6#33+2
Seal Beach9.6#34+2
Santa Venetia9.5#35+1.9
Perris9.4#36+1.8
La Verne9.4#37+1.8
Agua Dulce9.4#38+1.8
Larkspur9.4#39+1.8
Pasadena9.4#40+1.8
San Rafael9.3#41+1.7
Shelter Cove9.3#42+1.7
Vallejo9.2#43+1.6
San Bernardino9.2#44+1.6
Woodcrest9.1#45+1.5
Temescal Valley9#46+1.4
Corona8.7#47+1.1
Anaheim8.7#48+1.1
Atascadero8.7#49+1.1
Long Beach8.7#50+1.1
Channel Islands Beach8.7#51+1.1
East Richmond Heights8.6#52+1
Homeland8.6#53+1
Bakersfield8.5#54+0.9
Richmond8.3#55+0.7
Cathedral City8.3#56+0.7
Riverside8.2#57+0.6
Olde Stockdale8.2#58+0.6
Concord8.2#59+0.6
Malibu8.2#60+0.6
Los Angeles8.1#61+0.5
El Monte8.1#62+0.5
Palm Springs8.1#63+0.5
Indio8.1#64+0.5
Menifee8.1#65+0.5
Oakland8.1#66+0.5
Ladera Ranch8#67+0.4
Carlsbad8#68+0.4
Glendale8#69+0.4
Alameda8#70+0.4
Benton Park8#71+0.4
Casa Loma8#72+0.4
Lake Forest8#73+0.4
San Fernando8#74+0.4
Salinas8#75+0.4
San Marino8#76+0.4
San Pasqual8#77+0.4
Mill Valley8#78+0.4
Santa Monica8#79+0.4
Jurupa Valley8#80+0.4
Tamalpais-Homestead Valley8#81+0.4
Culver City8#82+0.4
Temecula8#83+0.4
Heber8#84+0.4
Davis8#85+0.4
Alto8#86+0.4
Downey8#87+0.4
Escondido8#88+0.4
El Sobrante8#89+0.4
Calabasas8#90+0.4
Eastvale8#91+0.4
Tehachapi8#92+0.4
Pleasanton7.9#93+0.3
Pleasant Hill7.9#94+0.3
Alhambra7.8#95+0.2
Torrance7.8#96+0.2
Loyola7.8#97+0.2
San Francisco7.8#98+0.2
Tustin7.7#99+0.1
Merced7.7#100+0.1
Marina7.7#101+0.1
Capitola7.6#102avg
Walnut Creek7.2#103-0.4
Santa Ana7#104-0.6
Vista7#105-0.6
North Fair Oaks6.9#106-0.7
Campbell6.6#107-1
Danville6.6#108-1
Fontana6.6#109-1
Huntington Beach6.5#110-1.1
Saratoga6.5#111-1.1
Redding6.4#112-1.2
San Diego6.4#113-1.2
Hawthorne6.3#114-1.3
Ontario6.3#115-1.3
Lafayette6.3#116-1.3
Redwood City6.2#117-1.4
Irvine6.2#118-1.4
Sacramento6.1#119-1.5
Mountain View6.1#120-1.5
Menlo Park6.1#121-1.5
West Sacramento6.1#122-1.5
San Jose6.1#123-1.5
Ukiah6#124-1.6
Palo Alto6#125-1.6
Gardena6#126-1.6
Rancho Cucamonga6#127-1.6
Fountain Valley6#128-1.6
Chico6#129-1.6
Fairview6#130-1.6
Baywood Park6#131-1.6
Folsom6#132-1.6
Emerald Lake Hills6#133-1.6
Cherryland6#134-1.6
Parkway6#135-1.6
Orangevale6#136-1.6
Newark6#137-1.6
North Highlands6#138-1.6
Newport Beach6#139-1.6
San Mateo6#140-1.6
Cameron Park6#141-1.6
Burbank6#142-1.6
National City6#143-1.6
Belmont6#144-1.6
Stanford6#145-1.6
Arden-Arcade6#146-1.6
West Menlo Park6#147-1.6
Chula Vista6#148-1.6
Foothill Farms6#149-1.6
Imperial Beach6#150-1.6
Cupertino6#151-1.6
Foster City6#152-1.6
Country Club6#153-1.6
Costa Mesa6#154-1.6
Sunnyvale6#155-1.6
Stockton6#156-1.6
Santa Rosa6#157-1.6
San Leandro6#158-1.6
Lemon Hill6#159-1.6
Citrus Heights6#160-1.6
Roseville6#161-1.6
Coronado6#162-1.6
Rancho Cordova6#163-1.6
McClellan Park6#164-1.6
Hayward5.9#165-1.7
Fremont5.8#166-1.8
Elk Grove5.7#167-1.9
Novato5.6#168-2
Fresno5#169-2.6
Visalia5#170-2.6
Milpitas4.7#171-2.9
Black Point-Green Point4.6#172-3
Mayfair4.5#173-3.1
Farmersville4#174-3.6
Santa Nella0.1#175-7.5
Monterey0.1#176-7.5

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