California UV Index by City

California’s cities stretch from Imperial Beach at 32.6°N up to New Pine Creek at 42.0°N — the latitude band that sets how high the midday sun climbs and how fast unprotected skin burns. Each city page below leads with today’s UV index and burn-time verdict on the EPA five-band scale.

Cities in California

75 cities with a UV index page, largest first

CityClear-sky peak UV (est.)Population
Los Angeles12 in June11,984,083
San Francisco12 in June3,417,736
San Diego12 in June3,064,435
Riverside12 in June2,333,040
Sacramento11 in June1,975,489
San Jose12 in June1,827,643
Fresno12 in June732,197
Mission Viejo12 in June647,990
Bakersfield12 in June566,351
Concord12 in June531,305
Long Beach12 in June455,548
Oakland12 in June439,418
Stockton12 in June410,053
Oxnard12 in June369,935
Indio12 in June366,757
Victorville13 in June362,549
Modesto12 in June359,115
Anaheim12 in June344,521
Antioch12 in June335,183
Santa Ana12 in June312,534
Irvine12 in June311,690
Santa Rosa12 in June292,251
Chula Vista12 in June276,375
Santa Clarita12 in June270,147
Fremont12 in June228,295
San Bernardino12 in June222,724
Fontana12 in June214,169
Moreno Valley12 in June211,666
Thousand Oaks12 in June207,637
Santa Barbara12 in June202,039
Huntington Beach12 in June195,240
Glendale12 in June190,748
Hemet12 in June185,006
Ontario12 in June180,547
Elk Grove11 in June179,155
Rancho Cucamonga12 in June175,411
Salinas12 in June173,715
Vallejo12 in June172,800
Oceanside12 in June172,242
Garden Grove12 in June170,964
Lancaster13 in June169,169
Visalia12 in June167,944
Palmdale13 in June164,634
Santa Cruz12 in June163,368
Merced12 in June159,942
Corona12 in June159,670
Hayward12 in June158,801
Roseville11 in June155,955
Sunnyvale12 in June154,236
Fairfield12 in June151,672
Escondido12 in June149,668
Pomona12 in June147,943
Santa Maria12 in June144,941
Torrance12 in June142,130
Fullerton12 in June140,968
Orange12 in June138,266
Pasadena12 in June136,969
Santa Clara12 in June130,256
Simi Valley12 in June127,125
Redding11 in June117,275
Camarillo12 in June76,945
Arcadia12 in June55,170
French Valley12 in June45,269
Lathrop12 in June35,052
Lawndale12 in June30,781
Laguna Beach12 in June22,710
Chowchilla12 in June19,020
Fairview12 in June10,745
Pacheco12 in June4,325
Squaw Valley12 in June3,361
Penn Valley12 in June1,678
Mariposa12 in June1,137
Glen Ellen12 in June1,078
Acalanes Ridge12 in June1,006
Independence13 in June730

Our dataset lists 1,598 places in California; the 75 above have a page. For a smaller town, the nearest city above is the closest match.