Pollen count and allergy info for Portola Valley
Portola Valley pollen and allergy report • 06:00, Nov 2
Index
Low
Tree
Low
Grass
None
Weed
Low
11°
5 km/h
74%Daily allergy forecast
Portola Valley pollen count forecast
Today  7 km/h 18°11° 71% | Tuesday 25 km/h 90%14°10° 94% | Wednesday 11 km/h 18°8° 72% |
Air pollutants
Air quality in Portola Valley today
AQI⁺
Air quality index
10AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
1.9µg/m³
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- Adelanto3
- Alhambra3
- Allensworth3
- Alpaugh3
- Apple Valley3
- Arcadia3
- Avocado Heights3
- Azusa3
- Baker3
- Baldwin Park3
- Banning3
- Barstow3
- Beaumont3
- Bermuda Dunes3
- Borrego Springs3
- Bradbury3
- Brea3
- Buena Park3
- Burbank, Los Angeles County3
- Calimesa3
- Calipatria3
- Casa de Oro-Mount Helix3
- Cathedral City3
- Charter Oak3
- Cherry Valley3
- Citrus3
- Coachella3
- Covina3
- Desert Center3
- Desert Edge3
- Desert Hot Springs3
- Desert Palms3
- Desert Shores3
- Diamond Bar3
- Duarte3
- East Hemet3
- East Pasadena3
- East San Gabriel3
- East Whittier3
- El Cajon3
- El Centro3
- El Monte, Contra Costa County3
- Eucalyptus Hills3
- Fallbrook3
- Fillmore3
- Fontana3
- French Valley3
- Fullerton3
- Garnet3
- Glendale3
- Green Acres3
- Hacienda Heights3
- Hasley Canyon3
- Hemet3
- Holtville3
- Home Gardens3
- Homeland3
- Imperial3
- Indian Wells3
- Indio3
- Irwindale3
- Jurupa Valley3
- La Cañada Flintridge3
- La Crescenta-Montrose3
- La Habra3
- La Habra Heights3
- La Mesa3
- La Mirada3
- La Palma3
- La Puente3
- La Quinta3
- Lake Los Angeles3
- Lakeside, San Diego County3
- Lancaster3
- Lenwood3
- Los Angeles County3
- Mayflower Village3
- Mecca3
- Meiners Oaks3
- Menifee3
- Mira Monte3
- Mojave3
- Monrovia3
- Monterey Park3
- Moorpark3
- Murrieta3
- National City3
- Niland3
- North El Monte3
- North Shore3
- North Tustin3
- Oak View3
- Oasis3
- Ocotillo3
- Ojai3
- Palm Desert3
- Palm Springs3
- Palmdale3
- Perris3
- Phelan3
- Pico Rivera3
- Placentia3
- Potrero3
- Poway3
- Quartz Hill3
- Rancho Mirage3
- Romoland3
- Rosamond3
- Rosemead3
- Rowland Heights3
- Salton City3
- San Antonio Heights3
- San Bernardino County3
- San Gabriel3
- San Marino3
- San Pasqual3
- Selma3
- Shafter3
- Sierra Madre3
- Silver Lakes3
- Sky Valley3
- South El Monte3
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- South San Gabriel3
- South San Jose Hills3
- South Whittier3
- Sun Village3
- Temecula3
- Temple City3
- Thermal3
- Thousand Palms3
- Twentynine Palms3
- Val Verde3
- Valinda3
- Valle Vista3
- Villa Park3
- Vincent3
- Vista Santa Rosa3
- Walnut3
- Wasco3
- West Covina3
- West Puente Valley3
- West Whittier-Los Nietos3
- Whittier3
- Winchester3
- Yermo3
- Yucaipa3
- Acton2
- Agua Dulce2
- Alpine2
- Alta Sierra, Kern County2
- Atascadero2
- Avalon2
- Bear Valley, Mariposa County2
- Big Pine2
- Bloomington2
- Blythe2
- Bodfish2
- Bonadelle Ranchos2
- Bonsall2
- Boron2
- Bostonia2
- Boyes Hot Springs2
- Brawley2
- Buttonwillow2
- Cabazon2
- Calabasas2
- Calaveras2
- California City2
- California Polytechnic State University2
- Calwa2
- Cambria2
- Camp Pendleton South2
- Canyon Lake2
- Carpinteria2
- Castaic2
- Catheys Valley2
- Cayucos2
- Cedar Ridge2
- Chalfant2
- Chino2
- Claremont2
- Coalinga2
- Coarsegold2
- Colton2
- Corona2
- Coronado2
- Coronita2
- Crest2
- Crestline2
- Cutler2
- Del Mar2
- Desert View Highlands2
- East Sonora2
- Easton2
- Eastvale2
- Edwards Air Force Base2
- El Verano2
- Eldridge2
- Fairbanks Ranch2
- Fetters Hot Springs-Agua Caliente2
- Ford City2
- Fort Irwin2
- Fresno County2
- Glendora2
- Grand Terrace2
- Granite Hills2
- Green Valley, Los Angeles County2
- Harbison Canyon2
- Hesperia2
- Highgrove2
- Homestead Valley2
- Imperial County2
- Independence2
- Irvine2
- Julian2
- Kernville2
- La Verne2
- Lake Elsinore2
- Lake Isabella2
- Lake San Marcos2
- Lakeland Village2
- Lamont2
- Lemon Cove2
- Leona Valley2
- Lindsay2
- Littlerock2
- Los Alamos2
- Los Berros2
- Lost Hills2
- Lucerne Valley2
- Madera County2
- Mariposa County2
- Mayfair2
- Meadowbrook2
- Mesa Verde2
- Midpines2
- Mission Canyon2
- Mission Hills2
- Modjeska2
- Mono Vista2
- Montclair2
- Montecito2
- Morgan Hill2
- Morongo Valley2
- Morro Bay2
- Mountain View Acres2
- Murphys2
- Needles2
- Norco2
- North Edwards2
- Oak Hills2
- Oceanside2
- Old Fig Garden2
- Ontario2
- Orange2
- Orange County2
- Orange Cove2
- Orosi2
- Palos Verdes Estates2
- Parksdale2
- Parkwood2
- Parlier2
- Pepperdine University2
- Phoenix Lake2
- Pine Mountain Lake2
- Pixley2
- Pomona2
- Rainbow2
- Rancho Cucamonga2
- Rancho Palos Verdes2
- Rancho San Diego2
- Rancho Santa Fe2
- Randsburg2
- Rialto2
- Ridgecrest2
- Riverside2
- Rolling Hills, Madera County2
- San Andreas2
- San Bernardino2
- San Dimas2
- San Fernando2
- San Luis Obispo2
- San Luis Obispo County2
- San Marcos2
- San Martin2
- Santa Clara County2
- Santa Margarita2
- Santa Susana2
- Searles Valley2
- Simi Valley2
- Solana Beach2
- Sonoma2
- Soulsbyville2
- South Taft2
- Spring Valley Lake2
- Springville2
- Summerland2
- Sunnyside2
- Swall Meadows2
- Taft Heights2
- Temelec2
- Temescal Valley2
- Topanga2
- Toro Canyon2
- Torrance2
- Trabuco Canyon2
- Trona2
- Tulare County2
- Tuolumne City2
- Tustin2
- Twain Harte2
- Upland2
- Victorville2
- Warm Springs2
- Weldon2
- Westmorland2
- Winter Gardens2
- Wofford Heights2
- Woodcrest2
- Woodlake2
- Yucca Valley2
- Acalanes Ridge1
- Acampo1
- Adin1
- Agoura Hills1
- Aguanga1
- Ahwahnee1
- Alameda1
- Alameda County1
- Alamo1
- Albany1
- Albion1
- Alhambra Valley1
- Aliso Viejo1
- Allendale1
- Alondra Park1
- Alpine County1
- Alpine Village1
- Alta1
- Alta Sierra, Nevada County1
- Altadena1
- Alturas1
- Alum Rock1
- Amador1
- Amador City1
- Amador Pines1
- American Canyon1
- Amesti1
- Anaheim1
- Anderson1
- Angels1
- Angwin1
- Antelope1
- Antioch1
- Anza1
- Aptos1
- Aptos Hills-Larkin Valley1
- Arbuckle1
- Arcata1
- Arden-Arcade1
- Armona1
- Arnold1
- Aromas1
- Arroyo Grande1
- Artesia1
- Arvin1
- Ashland1
- Atherton1
- Atwater1
- Auberry1
- Auburn1
- Auburn Lake Trails1
- August1
- Avenal1
- Avery1
- Avila Beach1
- Bakersfield1
- Bakersfield Country Club1
- Bass Lake1
- Bay Point1
- Bayview, Humboldt County1
- Baywood Park1
- Beale Air Force Base1
- Bear Valley, Alpine County1
- Bear Valley Springs1
- Beckwourth1
- Bell1
- Bell Canyon1
- Bell Gardens1
- Bella Vista1
- Bellflower1
- Belmont1
- Belvedere1
- Ben Lomond1
- Benbow1
- Bend1
- Benicia1
- Benton1
- Benton Park1
- Berkeley1
- Berry Creek1
- Bertsch-Oceanview1
- Bethel Island1
- Beverly Hills1
- Bieber1
- Big Bear City1
- Big Bear Lake1
- Big River1
- Biggs1
- Biola1
- Bishop1
- Black Point-Green Point1
- Blackhawk1
- Blacklake1
- Blue Lake1
- Bodega1
- Bodega Bay1
- Bolinas1
- Bonita1
- Bonny Doon1
- Boonville1
- Bootjack1
- Boronda1
- Boulder Creek1
- Bradley1
- Brentwood1
- Bret Harte1
- Bridgeport1
- Brisbane1
- Broadmoor1
- Brookdale1
- Brooks1
- Brooktrails1
- Buckhorn1
- Bucks Lake1
- Buellton1
- Buena Vista1
- Burbank, Santa Clara County1
- Burlingame1
- Burney1
- Burnt Ranch1
- Butte1
- Butte Creek Canyon1
- Butte Meadows1
- Butte Valley1
- Byron1
- Bystrom1
- Calexico1
- California Pines1
- Calistoga1
- Callender1
- Calpine1
- Camanche Village1
- Camarillo1
- Cambrian Park1
- Cameron Park1
- Camino1
- Camino Tassajara1
- Camp Nelson1
- Camp Pendleton Mainside1
- Campbell1
- Campo1
- Camptonville1
- Canby1
- Cantua Creek1
- Canyondam1
- Capitola1
- Carlsbad1
- Carmel-by-the-Sea1
- Carmel Valley Village1
- Carmet1
- Carmichael1
- Carnelian Bay1
- Carson1
- Cartago1
- Caruthers1
- Casa Conejo1
- Casa Loma1
- Caspar1
- Castle Hill1
- Castro Valley1
- Castroville1
- Cazadero1
- Cedar Flat1
- Centerville, Fresno County1
- Centerville, Shasta County1
- Ceres1
- Cerritos1
- Challenge-Brownsville1
- Channel Islands Beach1
- Cherryland1
- Chester1
- Chico1
- China Lake Acres1
- Chinese Camp1
- Chino Hills1
- Chowchilla1
- Chualar1
- Chula Vista1
- Citrus Heights1
- Clarksburg1
- Clay1
- Clayton1
- Clearlake1
- Clearlake Oaks1
- Clearlake Riviera1
- Clio1
- Clipper Mills1
- Cloverdale1
- Clovis1
- Clyde1
- Cobb1
- Coffee Creek1
- Cohasset1
- Cold Springs, El Dorado County1
- Cold Springs, Tuolumne County1
- Coleville1
- Colfax1
- Collierville1
- Colma1
- Coloma1
- Columbia1
- Colusa1
- Colusa County1
- Commerce1
- Comptche1
- Compton1
- Concord1
- Concow1
- Contra Costa Centre1
- Contra Costa County1
- Copperopolis1
- Corcoran1
- Corning1
- Corralitos1
- Corte Madera1
- Costa Mesa1
- Cotati1
- Coto de Caza1
- Cottonwood, Shasta County1
- Country Club1
- Courtland1
- Covelo1
- Cowan1
- Crescent City1
- Creston1
- Crockett1
- Cromberg1
- Crowley Lake1
- Cudahy1
- Culver City1
- Cupertino1
- Cutten1
- Cuyama1
- Cypress1
- Daly City1
- Dana Point1
- Danville1
- Davenport1
- Davis1
- Day Valley1
- Deer Park1
- Del Aire1
- Del Dios1
- Del Monte Forest1
- Del Norte County1
- Del Rey1
- Del Rey Oaks1
- Del Rio1
- Delano1
- Delhi1
- Denair1
- Descanso1
- Diablo1
- Diamond Springs1
- Dillon Beach1
- Dinuba1
- Discovery Bay1
- Dixon1
- Dixon Lane-MeadowCreek1
- Dobbins1
- Dogtown1
- Dollar Point1
- Dorrington1
- Dorris1
- Dos Palos1
- Downey1
- Downieville1
- Dublin1
- Dunnigan1
- Dunsmuir1
- Durham1
- Dutch Flat1
- Earlimart1
- East Foothills1
- East Los Angeles1
- East Nicolaus1
- East Oakdale1
- East Palo Alto1
- East Porterville1
- East Quincy1
- East Rancho Dominguez1
- East Richmond Heights1
- East Shore1
- Eastern Goleta Valley1
- Edna1
- El Cerrito, Contra Costa County1
- El Dorado County1
- El Dorado Hills1
- El Granada1
- El Macero1
- El Portal1
- El Rio1
- El Segundo1
- El Sobrante, Contra Costa County1
- Elk Creek1
- Elk Grove1
- Elkhorn1
- Elmira1
- Elverta1
- Emerald Lake Hills1
- Emeryville1
- Empire1
- Encinitas1
- Escalon1
- Escondido1
- Esparto1
- Etna1
- Eureka1
- Exeter1
- Fair Oaks1
- Fairfax, Marin County1
- Fairfield1
- Fairmead1
- Fairview1
- Farmersville1
- Farmington1
- Felton1
- Ferndale1
- Fiddletown1
- Fieldbrook1
- Fields Landing1
- Firebaugh1
- Fish Camp1
- Florence-Graham1
- Florin1
- Folsom1
- Foothill Farms1
- Forest Meadows1
- Forest Ranch1
- Foresta1
- Foresthill1
- Forestville1
- Fort Bidwell1
- Fort Bragg1
- Fort Jones1
- Fortuna1
- Foster City1
- Fountain Valley1
- Fowler1
- Franklin, Merced County1
- Franklin, Sacramento County1
- Frazier Park1
- Freedom1
- Fremont1
- French Camp1
- French Gulch1
- Fresno1
- Friant1
- Fruitdale1
- Fruitridge Pocket1
- Fulton1
- Galt1
- Garberville1
- Garden Acres1
- Garden Grove1
- Gardena1
- Gasquet1
- Georgetown1
- Gerber1
- Geyserville1
- Gilroy1
- Glen Ellen1
- Glenn1
- Gold Mountain1
- Gold River1
- Golden Hills1
- Goleta1
- Gonzales1
- Good Hope1
- Goshen1
- Graeagle1
- Granite Bay1
- Grass Valley1
- Graton1
- Grayson1
- Green Valley, Solano County1
- Greenacres1
- Greenfield, Monterey County1
- Greenview1
- Greenville1
- Grenada1
- Grimes1
- Grizzly Flats1
- Groveland1
- Grover Beach1
- Guadalupe1
- Guerneville1
- Guinda1
- Gustine1
- Half Moon Bay1
- Hamilton Branch1
- Hanford1
- Happy Camp1
- Happy Valley1
- Hardwick1
- Hartland1
- Hartley1
- Hathaway Pines1
- Hawaiian Gardens1
- Hawthorne1
- Hayfork1
- Hayward1
- Healdsburg1
- Herald1
- Hercules1
- Hermosa Beach1
- Hidden Hills1
- Hidden Meadows1
- Hidden Valley Lake1
- Highland1
- Highlands1
- Hillsborough1
- Hilmar-Irwin1
- Hiouchi1
- Hollister1
- Home Garden1
- Hoopa1
- Hopland1
- Hornbrook1
- Hornitos1
- Hughson1
- Humboldt County1
- Humboldt Hill1
- Huntington Beach1
- Huntington Park1
- Huron1
- Hydesville1
- Idlewild1
- Idyllwild-Pine Cove1
- Igo1
- Imperial Beach1
- Indianola1
- Inglewood1
- Interlaken1
- Inverness1
- Inyo County1
- Inyokern1
- Iron Horse1
- Isla Vista1
- Isleton1
- Ivanhoe1
- Jackson1
- Jamestown1
- Jamul1
- Janesville1
- Jenner1
- Johnstonville1
- Johnsville1
- Joshua Tree1
- June Lake1
- Keeler1
- Kelly Ridge1
- Kelseyville1
- Kennedy1
- Kensington1
- Kentfield1
- Kenwood1
- Kep'el1
- Kerman1
- Kern1
- Kettleman City1
- Keyes1
- King City1
- Kings1
- Kings Beach1
- Kingsburg1
- Kirkwood1
- Klamath County1
- Knightsen1
- La Cresta1
- La Honda1
- La Presa1
- La Riviera1
- La Selva Beach1
- Ladera1
- Ladera Heights1
- Ladera Ranch1
- Lafayette1
- Laguna Beach1
- Laguna Hills1
- Laguna Niguel1
- Laguna Woods1
- Lagunitas-Forest Knolls1
- Lake Almanor Country Club1
- Lake Almanor West1
- Lake Arrowhead1
- Lake California1
- Lake County1
- Lake Don Pedro1
- Lake Forest1
- Lake Nacimiento1
- Lake of the Pines1
- Lake Riverside1
- Lake Shastina1
- Lake Sherwood1
- Lake Wildwood1
- Lakehead1
- Lakeport1
- Lakeview1
- Lakewood1
- Larkfield-Wikiup1
- Larkspur1
- Las Flores, Orange County1
- Las Lomas1
- Lassen County1
- Lathrop1
- Laton1
- Lawndale1
- Laytonville1
- Le Grand1
- Lebec1
- Lee Vining1
- Leggett1
- Lemon Grove1
- Lemon Hill1
- Lemoore Station1
- Lennox1
- Lewiston1
- Lexington Hills1
- Lincoln1
- Lincoln Village1
- Linda1
- Linden1
- Little Grass Valley1
- Little River1
- Live Oak CDP1
- Live Oak, Sutter County1
- Livermore1
- Livingston1
- Lockeford1
- Lockwood, Amador County1
- Lockwood, Monterey County1
- Lodi1
- Loma Linda1
- Loma Mar1
- Loma Rica1
- Lomita1
- Lompico1
- Lompoc1
- London1
- Lone Pine1
- Long Barn1
- Long Beach1
- Lookout1
- Loomis1
- Los Alamitos1
- Los Altos1
- Los Altos Hills1
- Los Angeles1
- Los Banos1
- Los Gatos1
- Los Molinos1
- Los Olivos1
- Los Osos1
- Lower Lake1
- Loyalton1
- Loyola1
- Lucas Valley-Marinwood1
- Lucerne1
- Lynwood1
- Macdoel1
- Madeline1
- Madera1
- Madera Acres1
- Madison1
- Magalia1
- Malibu1
- Mammoth Lakes1
- Manchester1
- Manhattan Beach1
- Manila1
- Manteca1
- Manton1
- March ARB1
- Maricopa1
- Marin City1
- Marin County1
- Marina1
- Marina del Rey1
- Mariposa1
- Markleeville1
- Martell1
- Martinez1
- Marysville1
- Matheny1
- Mather1
- Maxwell1
- Maywood1
- McArthur1
- McClellan Park1
- McCloud1
- McFarland1
- McKinleyville1
- McSwain1
- Mead Valley1
- Meadow Vista1
- Mendocino1
- Mendocino County1
- Mendota1
- Menlo Park1
- Mentone1
- Merced1
- Merced County1
- Mesa1
- Mesa Vista1
- Meyers1
- Mi-Wuk Village1
- Middletown1
- Midway City1
- Mill Valley1
- Millbrae1
- Millerton1
- Millville1
- Milpitas1
- Mineral1
- Minkler1
- Mission Viejo1
- Modesto1
- Modoc County1
- Mokelumne Hill1
- Mono1
- Montague1
- Montalvin Manor1
- Montara1
- Monte Rio1
- Monte Sereno1
- Monterey1
- Monterey County1
- Montgomery Creek1
- Monument Hills1
- Morada1
- Moraga1
- Moreno Valley1
- Moss Landing1
- Mount Hermon1
- Mountain Gate1
- Mountain House1
- Mountain Ranch1
- Mountain View, Contra Costa County1
- Mountain View, Santa Clara County1
- Muir Beach1
- Muscoy1
- Myrtletown1
- Napa1
- Napa County1
- Nevada1
- Nevada City1
- Nevada County1
- New Cuyama1
- Newark1
- Newcastle1
- Newell1
- Newman1
- Newport Beach1
- Nicasio1
- Nice1
- Nicolaus1
- Nipomo1
- Nord1
- North Auburn1
- North Fair Oaks1
- North Fork1
- North Highlands1
- North Lakeport1
- North Richmond1
- North San Juan1
- Norwalk1
- Novato1
- Nuevo1
- Oak Park1
- Oak Run1
- Oakdale1
- Oakhurst1
- Oakland1
- Oakley1
- Occidental1
- Oceano1
- Oildale1
- Olancha1
- Old Station1
- Olivehurst1
- Onyx1
- Orangevale1
- Orcutt1
- Orinda1
- Orland1
- Oroville1
- Oroville East1
- Oxnard1
- Pacheco1
- Pacific Grove1
- Pacifica1
- Pajaro1
- Palermo1
- Palo Alto1
- Palo Cedro1
- Paradise, Paradise County1
- Paradise Park1
- Paramount1
- Parklawn1
- Parkway1
- Pasadena1
- Pasatiempo1
- Paso Robles1
- Patterson Tract1
- Penn Valley1
- Penngrove1
- Pescadero1
- Petaluma1
- Philo1
- Piedmont1
- Pike1
- Pine Canyon1
- Pine Flat1
- Pine Grove1
- Pine Hills1
- Pine Mountain Club1
- Pine Valley1
- Pinole1
- Piñon Hills1
- Pioneer1
- Piru1
- Pismo Beach1
- Pittsburg1
- Placer County1
- Placerville1
- Planada1
- Platina1
- Pleasant Hill1
- Pleasanton1
- Pleasure Point1
- Plumas1
- Plumas Lake1
- Plymouth1
- Point Arena1
- Point Reyes Station1
- Pollock Pines1
- Poplar-Cotton Center1
- Port Hueneme1
- Porterville1
- Portola1
- Portola Valley1
- Potter Valley1
- Prunedale1
- Quincy1
- Rail Road Flat1
- Raisin City1
- Ramona1
- Rancho Calaveras1
- Rancho Cordova1
- Rancho Mission Viejo1
- Rancho Murieta1
- Rancho Santa Margarita1
- Rancho Tehama Reserve1
- Red Bluff1
- Red Corral1
- Redding1
- Redlands1
- Redondo Beach1
- Redway1
- Redwood City1
- Redwood Valley1
- Reedley1
- Reliez Valley1
- Rexland Acres1
- Richgrove1
- Richmond1
- Ridgemark1
- Rio del Mar1
- Rio Dell1
- Rio Linda1
- Rio Vista1
- Ripon1
- River Pines1
- Riverbank1
- Riverdale1
- Riverdale Park1
- Riverside County1
- Robbins1
- Rocklin1
- Rodeo1
- Rohnert Park1
- Rolling Hills Estates1
- Rolling Hills, Los Angeles County1
- Rollingwood1
- Rosedale1
- Rosemont1
- Roseville1
- Ross1
- Rossmoor1
- Rough and Ready1
- Round Valley1
- Rouse1
- Running Springs1
- Rutherford1
- Sacramento1
- Sacramento County1
- Salida1
- Salinas1
- San Anselmo1
- San Ardo1
- San Benito County1
- San Bruno1
- San Buenaventura (Ventura)1
- San Carlos1
- San Clemente1
- San Diego1
- San Diego Country Estates1
- San Diego County1
- San Francisco1
- San Jacinto1
- San Joaquin County1
- San Jose1
- San Juan Bautista1
- San Juan Capistrano1
- San Leandro1
- San Lorenzo1
- San Mateo1
- San Mateo County1
- San Miguel, Contra Costa County1
- San Miguel, San Luis Obispo County1
- San Pablo1
- San Rafael1
- San Ramon1
- Sanger1
- Santa Ana1
- Santa Barbara1
- Santa Barbara County1
- Santa Clara1
- Santa Clarita1
- Santa Cruz1
- Santa Cruz County1
- Santa Fe Springs1
- Santa Maria1
- Santa Monica1
- Santa Paula1
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