Nhận một trình theo dõi và đóng góp dữ liệu về chất lượng không khí tại thành phố của bạn.
Chất lượng không khí 
Trình theo dõi không khí
Máy lọc không khí
Cho Doanh nghiệp
Tin tức
Hỗ trợ
Chất lượng không khí tại California
Chỉ số chất lượng không khí (AQI) và ô nhiễm không khí PM2.5 tại California
XẾP HẠNG THÀNH PHỐ THEO AQI TRỰC TIẾP
Xếp hạng thành phố ô nhiễm nhất tại California
theo thời gian thực
| # | city | US AQI |
|---|---|---|
| 1 | Orosi | 149 |
| 2 | Cutler | 135 |
| 3 | Terra Bella | 99 |
| 4 | Exeter | 97 |
| 5 | Porterville | 83 |
| 6 | Sequoia National Park | 80 |
| 7 | Three Rivers | 79 |
| 8 | Huntington Park | 76 |
| 9 | Searles Valley | 76 |
| 10 | Springville | 73 |
(giờ địa phương)
XEM XẾP HẠNG AQI THẾ GIỚICỘNG TÁC VIÊN DỮ LIỆU CHẤT LƯỢNG KHÔNG KHÍ
5513 Người đóng góp
Xem tất cả
XẾP HẠNG THÀNH PHỐ THEO AQI TRỰC TIẾP
Xếp hạng thành phố sạch nhất tại California
theo thời gian thực
| # | city | US AQI |
|---|---|---|
| 1 | Quincy | 3 |
| 2 | Gridley | 4 |
| 3 | Mono | 6 |
| 4 | Oroville East | 6 |
| 5 | Clearlake | 7 |
| 6 | Olympic Valley | 7 |
| 7 | San Juan Capistrano | 7 |
| 8 | Anza | 8 |
| 9 | Arbuckle | 8 |
| 10 | El Monte | 8 |
(giờ địa phương)
XEM XẾP HẠNG AQI THẾ GIỚI
Bản đồ ô nhiễm không khí ảnh động 3D
Ứng dụng số 1 về chất lượng không khí
Ứng dụng chất lượng không khí miễn phí trên iOS và Android
Tốt
Trung bình
Không tốt cho các nhóm nhạy cảm
Không lành mạnh
Rất không tốt
Nguy hiểm
Tin tức
Tin tức và tài nguyên mới nhất về chất lượng không khí.
Nguồn dữ liệu chất lượng không khí tại California
5513Cộng tác viên
USA National Park Service25 trạm
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20 Chính phủ
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176 Cá nhân
5292 Cộng tác viên ẩn danh5292 trạm
5292 Anonymous Contributors
13 Data sources
PurpleAir
Clarity Movement Co.- California Air Resources Board (CARB)
AirNow
IQAir- Spare the Air - Sacramento Region
- San Diego County Air Pollution Control District (SDAPCD)
Imperial County Department of Toxic Substance and Comite Civico del Valle- San Joaquin Valley Air Pollution Control District
- Bay Area Air Quality Management District (BAAQMD)
Imperial County Air Pollution Control District (ICAPCD)- USA National Park Service
Santa Barbara County Air Pollution Control District
Thành phố nào ô nhiễm nhất tại California?
- Orosi 149
- Cutler 135
- Terra Bella 99
- Exeter 97
- Porterville 83
- Sequoia National Park 80
- Three Rivers 79
- Huntington Park 76
- Searles Valley 76
- Springville 73
- Corcoran 70
- Mecca 70
- Brawley 68
- Hanford 66
- Del Rey 65
- Shafter 64
- Oildale 62
- Weldon 62
- Imperial 61
- Paramount 61
- Visalia 61
- Westmorland 61
- Tulare 60
- Rialto 55
- Rancho Penasquitos 54
- Tranquillity 54
- Oceano 53
- Bakersfield 52
- Bear Valley Springs 52
- Calipatria 52
- Delano 52
- Inyokern 52
- North Hollywood 52
- Santa Paula 51
- San Joaquin 50
- Golden Hills 49
- Tujunga 49
- Alturas 47
- Parlier 47
- Van Nuys 47
- Kernville 46
- La Mesa 46
- Bodfish 45
- Boyle Heights 45
- Hollywood 45
- Koreatown 45
- Ontario 45
- San Pablo 45
- El Cajon 44
- Lake Arrowhead 44
- San Fernando 44
- Shadow Hills 44
- Sherman Oaks 44
- Canoga Park 43
- Huron 43
- Newhall 43
- Ridgecrest 43
- Azusa 42
- Camp Pendleton South 42
- Charter Oak 42
- Citrus 42
- Covina 42
- Dinuba 42
- Lake Los Angeles 42
- Montclair 42
- Orcutt 42
- Phelan 42
- San Antonio Heights 42
- San Dimas 42
- Acton 41
- Bradbury 41
- California City 41
- Campo 41
- Cathedral City 41
- Chino 41
- East Pasadena 41
- Fillmore 41
- Glen Avon 41
- Indio 41
- Irwindale 41
- La Jolla 41
- Mayflower Village 41
- Palm Desert 41
- Reseda 41
- Shasta Lake 41
- Sun Village 41
- Vincent 41
- Walnut 41
- Willowbrook 41
- Yucaipa 41
- Adelanto 40
- Agua Dulce 40
- Avocado Heights 40
- Casa Conejo 40
- China Lake Acres 40
- Desert View Highlands 40
- East San Gabriel 40
- Echo Park 40
- Jurupa Valley 40
- Kern 40
- La Puente 40
- Leona Valley 40
- Los Olivos 40
- Los Serranos 40
- Mojave 40
- Mountain View Acres 40
- Muscoy 40
- Solano 40
- South El Monte 40
- South San Jose Hills 40
- Sunland 40
- Temple City 40
- Universal City 40
- Valencia 40
- Valinda 40
- West Puente Valley 40
- Bloomington 39
- Brookdale 39
- Camarillo 39
- East Los Angeles 39
- Forest Ranch 39
- Morro Bay 39
- Norco 39
- Orange 39
- Pedley 39
- Rowland Heights 39
- San Bernardino 39
- San Luis Obispo 39
- South San Gabriel 39
- Spring Valley Lake 39
- Studio City 39
- Sunnyslope 39
- Armona 38
- Commerce 38
- Grand Terrace 38
- Hacienda Heights 38
- Hayfork 38
- Highland 38
- Home Garden 38
- Lemoore 38
- Matheny 38
- Modesto 38
- Montebello 38
- Moorpark 38
- North Hills 38
- Northridge 38
- Rubidoux 38
- South Gate 38
- South Whittier 38
- Stratford 38
- West Whittier-Los Nietos 38
- Alpaugh 37
- Arvin 37
- Bell Gardens 37
- Caspar 37
- Century City 37
- Day Valley 37
- East La Mirada 37
- Glendale 37
- Glendora 37
- Goshen 37
- Highgrove 37
- Home Gardens 37
- La Habra 37
- Laton 37
- Lemoore Station 37
- Placentia 37
- San Marino 37
- Santa Fe Springs 37
- Tipton 37
- Westwood 37
- El Cerrito Corona 36
- Hidden Hills 36
- Kettleman City 36
- Kingsburg 36
- London 36
- Maywood 36
- Oak View 36
- Ojai 36
- Patterson Tract 36
- Pismo Beach 36
- Pixley 36
- Rolling Hills Estates 36
- Santa Maria 36
- Santa Susana 36
- Teviston 36
- Val Verde 36
- Ventura 36
- Walnut Park 36
- Woodville 36
- Artesia 35
- Avenal 35
- Bellflower 35
- Bonita 35
- Caruthers 35
- Cerritos 35
- Earlimart 35
- East Rancho Dominguez 35
- Edwards Air Force Base 35
- Farmersville 35
- Fowler 35
- Ivanhoe 35
- La Palma 35
- Ladera Heights 35
- Las Flores 35
- Lennox 35
- Los Angeles 35
- Los Osos 35
- Lost Hills 35
- Lynwood 35
- March Air Force Base 35
- Mentone 35
- Piru 35
- Poplar-Cotton Center 35
- Reedley 35
- Selma 35
- Solvang 35
- Thousand Oaks 35
- Villa Park 35
- West Athens 35
- West Rancho Dominguez 35
- Westmont 35
- Woodcrest 35
- Agoura 34
- Alondra Park 34
- Barstow Heights 34
- Bethel Island 34
- Beverly Hills 34
- Buttonwillow 34
- Castaic 34
- Del Aire 34
- Foothill Ranch 34
- Garden Grove 34
- Hawaiian Gardens 34
- Knightsen 34
- Lenwood 34
- Lindsay 34
- McFarland 34
- Mead Valley 34
- Pasadena 34
- Pico Rivera 34
- Portola Hills 34
- Redlands 34
- Richgrove 34
- San Gabriel 34
- Sanger 34
- Santa Clarita 34
- Stanton 34
- Strathmore 34
- Sunnyside 34
- Taft 34
- Trona 34
- Valley Center 34
- Waldon 34
- Aliso Viejo 33
- Ashland 33
- Banning 33
- Boron 33
- Carpinteria 33
- Carson 33
- Claremont 33
- Dirty Socks 33
- East Porterville 33
- Encino 33
- French Camp 33
- Good Hope 33
- Lawndale 33
- Lompoc 33
- Los Alamitos 33
- Midway City 33
- Minkler 33
- Orange Cove 33
- Rainbow 33
- Rancho Santa Margarita 33
- Rancho Tehama Reserve 33
- Rossmoor 33
- Santa Ynez 33
- Saranap 33
- Scotia 33
- Simi Valley 33
- Tarpey Village 33
- Vine Hill 33
- West Park 33
- Westminster 33
- Winchester 33
- Yosemite Np Turtleback Dome 33
- Arroyo Grande 32
- Beaumont 32
- Bell 32
- Bostonia 32
- Bret Harte 32
- Bystrom 32
- Canyon Lake 32
- Casa de Oro-Mount Helix 32
- Cherryland 32
- Chula Vista 32
- Coto De Caza 32
- Country Club 32
- Crest 32
- East Foothills 32
- Eucalyptus Hills 32
- Fontana 32
- Ford City 32
- Fountain Valley 32
- Granite Hills 32
- Gustine 32
- Harbison Canyon 32
- Jamul 32
- Kennedy 32
- Keyes 32
- La Presa 32
- Laguna Hills 32
- Lakeland Village 32
- Lincoln Village 32
- Lomita 32
- McCloud 32
- Meadowbrook 32
- Mira Mesa 32
- Monrovia 32
- National City 32
- Nuevo 32
- Old Fig Garden 32
- Oxnard 32
- Quail Valley 32
- Rancho Palos Verdes 32
- Rancho San Diego 32
- Red Bluff 32
- Riverdale Park 32
- Romoland 32
- Salida 32
- San Diego Country Estates 32
- San Pasqual 32
- Shackelford 32
- South Taft 32
- Stanislaus 32
- Sun City 32
- Taft Heights 32
- Taft Mosswood 32
- Vandenberg Village 32
- View Park-Windsor Hills 32
- West Modesto 32
- Winter Gardens 32
- Woodlake 32
- Aguanga 31
- Allendale 31
- Arcadia 31
- August 31
- Big Bear City 31
- Biola 31
- Bonadelle Ranchos-Madera Ranchos 31
- Bonsall 31
- Buena Vista 31
- Chatsworth 31
- Coronado 31
- Del Rio 31
- Delhi 31
- Denair 31
- Descanso 31
- Dos Palos 31
- East Hemet 31
- El Centro 31
- Empire 31
- Fairbanks Ranch 31
- Fairmead 31
- Garden Acres 31
- Green Acres 31
- Greenacres 31
- Hartley 31
- Hercules 31
- Hidden Meadows 31
- Hilmar-Irwin 31
- Homeland 31
- Imperial Beach 31
- Julian 31
- King City 31
- La Jolla Shores 31
- Lakeside 31
- Livingston 31
- Madera Acres 31
- Maricopa 31
- Mendota 31
- Menifee 31
- Montalvin 31
- Monterey Park 31
- Morada 31
- Murrieta Hot Springs 31
- North Richmond 31
- Palos Verdes Estates 31
- Parksdale 31
- Parkwood 31
- Riverbank 31
- Rollingwood 31
- Rosedale 31
- San Benito 31
- Santa Barbara 31
- Sedco Hills 31
- Signal Hill 31
- Sorrento Valley 31
- South Dos Palos 31
- Tara Hills 31
- Thornton 31
- Tracy 31
- Turlock 31
- Walnut Grove 31
- West Hills 31
- Westlake Village 31
- Wildomar 31
- Winton 31
- Agoura Hills 30
- Ben Lomond 30
- Cabazon 30
- Camp Pendleton North 30
- Collierville 30
- Corona 30
- Florin 30
- Frazier Park 30
- Gardena 30
- Hemet 30
- Herald 30
- Idyllwild 30
- Ladera Ranch 30
- Lamont 30
- Le Grand 30
- Linden 30
- Lockeford 30
- Meiners Oaks 30
- Mira Monte 30
- Moreno Valley 30
- Parkway 30
- Pine Valley 30
- Pinon Hills 30
- Planada 30
- Riverside 30
- Rolling Hills 30
- San Diego 30
- San Jacinto 30
- San Pedro 30
- Saticoy 30
- Sierra Madre 30
- South Pasadena 30
- Squaw Valley 30
- Stallion Springs 30
- Valle Vista 30
- Victorville 30
- Vineyard 30
- Waterford 30
- Weedpatch 30
- West Hollywood 30
- Alhambra 29
- Boyes Hot Springs 29
- Cambrian Park 29
- Chino Hills 29
- Citrus Heights 29
- Clay 29
- Clovis 29
- Compton 29
- Cypress 29
- Davenport 29
- Dogtown 29
- Duarte 29
- El Rio 29
- Encinitas 29
- Fallbrook 29
- Freedom 29
- Garnet 29
- Grass Valley 29
- Guadalupe 29
- Jamestown 29
- La Crescenta-Montrose 29
- Lemon Grove 29
- Marina del Rey 29
- Miramonte 29
- Monument Hills 29
- Paicines 29
- Ramona 29
- Rosemont 29
- Seven Trees 29
- Shandon 29
- Sisquoc 29
- Toro Canyon 29
- West Menlo Park 29
- Altadena 28
- Buena Park 28
- Burbank 28
- Callender 28
- Colton 28
- Corralitos 28
- Cudahy 28
- Desert Hot Springs 28
- Diamond Bar 28
- El Segundo 28
- El Verano 28
- Florence-Graham 28
- Fresno 28
- Grover Beach 28
- Kerman 28
- La Canada Flintridge 28
- Littlerock 28
- Los Alamos 28
- Madera 28
- Marin City 28
- Nipomo 28
- North Edwards 28
- Rancho Mirage 28
- Redwood Shores 28
- Sleepy Hollow 28
- Thousand Palms 28
- Venice 28
- Visitacion Valley 28
- Alum Rock 27
- Anaheim 27
- Antelope 27
- Barstow 27
- Boulder Creek 27
- Calexico 27
- Cambria 27
- Channel Islands Beach 27
- Del Mar 27
- Desert Edge 27
- Elverta 27
- Foothill Farms 27
- Fullerton 27
- Goleta 27
- Hughson 27
- Hume 27
- Indian Wells 27
- Isla Vista 27
- La Mirada 27
- Loma Rica 27
- Loyalton 27
- Lucerne Valley 27
- Malibu 27
- Montecito 27
- North Highlands 27
- Pine Grove 27
- Pomona 27
- Poway 27
- Roseland 27
- Rough and Ready 27
- San Andreas 27
- Santa Cruz 27
- Scotts Valley 27
- Silver Lake 27
- Soquel 27
- South Oroville 27
- Valley Springs 27
- West Carson 27
- Apple Valley 26
- Bermuda Dunes 26
- Carlsbad 26
- Carmel Valley 26
- Felton 26
- Fremont 26
- Hayward 26
- Lake Isabella 26
- Loma Linda 26
- Long Beach 26
- Los Molinos 26
- Manteca 26
- Merced 26
- Mountain House 26
- Oak Hills 26
- Oasis 26
- Ridgemark 26
- Riverdale 26
- Rosamond 26
- Santa Ana 26
- Upland 26
- Vista Santa Rosa 26
- American Canyon 25
- Amesti 25
- Bill Stanley 25
- Blythe 25
- Bodega Bay 25
- Broadmoor 25
- Burney 25
- Camp Meeker 25
- Camp Nelson 25
- Colma 25
- Colusa 25
- Desert Shores 25
- Dublin 25
- East Palo Alto 25
- Fort Irwin 25
- Green Valley 25
- Heber 25
- Holtville 25
- Interlaken 25
- Lake Elsinore 25
- Lancaster 25
- Lebec 25
- Lodi 25
- Mammoth Lakes 25
- Mission Hills 25
- Mission Viejo 25
- Murrieta 25
- North Tustin 25
- Oak Park 25
- Olancha 25
- Palm Springs 25
- San Leandro 25
- Santa Margarita 25
- Santee 25
- Shaver Lake 25
- Silver Lakes 25
- Temecula 25
- Tustin 25
- Thành phố Union 25
- Vandenberg Air Force Base 25
- Vista 25
- Warner Springs 25
- West Covina 25
- Willows 25
- Wofford Heights 25
- Yorba Linda 25
- Alta Sierra 24
- Aptos 24
- Aptos Hills-Larkin Valley 24
- Bayview 24
- Big Bear Lake 24
- Biggs 24
- Buellton 24
- Castro Valley 24
- Cayucos 24
- Cherry Valley 24
- Culver City 24
- Dana Point 24
- Dunnigan 24
- East Sonora 24
- Forest Meadows 24
- Fort Jones 24
- Happy Camp 24
- Hesperia 24
- Humboldt Hill 24
- Hydesville 24
- Joshua Tree 24
- La Habra Heights 24
- Laguna Niguel 24
- Lake Nacimiento 24
- Las Lomas 24
- Lathrop 24
- Loyola 24
- Mountain Ranch 24
- Nevada County 24
- Norwalk 24
- Oceanside 24
- Pajaro 24
- Petaluma 24
- Pine Hills 24
- Rancho Cucamonga 24
- Redondo Beach 24
- Saint Helena 24
- San Clemente 24
- San Jose 24
- San Martin 24
- Santa Monica 24
- Seeley 24
- Stevenson Ranch 24
- Torrance 24
- Whittier 24
- Windsor 24
- Woodland Hills 24
- Alameda 23
- Atascadero 23
- Benicia 23
- Berkeley 23
- Boronda 23
- Campbell 23
- Chualar 23
- Copperopolis 23
- Crockett 23
- Cutten 23
- Del Rey Oaks 23
- Downieville 23
- Easton 23
- Emeryville 23
- Gilroy 23
- Gonzales 23
- Hollister 23
- Irvine 23
- Kentfield 23
- La Quinta 23
- La Selva Beach 23
- Lake Forest 23
- Lakewood 23
- Lompico 23
- Loomis 23
- Morgan Hill 23
- Myrtletown 23
- Niland 23
- North Fair Oaks 23
- Oakland 23
- Paso Robles 23
- Penn Valley 23
- Perris 23
- Piedmont 23
- Pinole 23
- Pollock Pines 23
- Redwood City 23
- Roseville 23
- San Ramon 23
- Santa Rosa 23
- Seacliff 23
- Sheridan 23
- Sunnyvale 23
- Twentynine Palms 23
- Wasco 23
- Albany 22
- Antioch 22
- Aromas 22
- Bishop 22
- Byron 22
- Camino 22
- Carmel-by-the-Sea 22
- Castroville 22
- Cedar Ridge 22
- Challenge-Brownsville 22
- Clear Lake Riviera 22
- Clearlake Oaks 22
- Concord 22
- Contra Costa Centre 22
- Crestline 22
- Cupertino 22
- Dixon Lane-Meadow Creek 22
- Dollar Point 22
- El Granada 22
- El Sobrante 22
- Elk Grove 22
- Esparto 22
- Fairview 22
- Georgetown 22
- Greenfield 22
- Half Moon Bay 22
- Healdsburg 22
- La Grange 22
- Laguna Beach 22
- Los Altos 22
- Los Altos Hills 22
- Los Gatos 22
- Manhattan Beach 22
- Milpitas 22
- Mount Hermon 22
- Mountain View 22
- Newman 22
- Newport Beach 22
- Oakley 22
- Opal Cliffs 22
- Pittsburg 22
- Portola Valley 22
- Red Corral 22
- Richmond 22
- Rio Linda 22
- Rodeo 22
- Ross 22
- San Rafael 22
- Santa Clara 22
- Santa Venetia 22
- Sebastopol 22
- Soda Bay 22
- Soulsbyville 22
- South San Francisco 22
- Willow Creek 22
- Angels Camp 21
- Atherton 21
- Auburn Lake Trails 21
- Beale Air Force Base 21
- Brentwood 21
- Burlingame 21
- Carmichael 21
- Cuyama 21
- Davis 21
- Discovery Bay 21
- East Richmond Heights 21
- Fort Bragg 21
- Fruitridge Pocket 21
- Guerneville 21
- Hawthorne 21
- Jackson 21
- Keeler 21
- Kenwood 21
- La Riviera 21
- La Verne 21
- Lakeview 21
- Linda 21
- Livermore 21
- Marysville 21
- Maxwell 21
- Mendocino 21
- Menlo Park 21
- Murphys 21
- Napa 21
- Nevada City 21
- Newark 21
- Novato 21
- Olivehurst 21
- Orland 21
- Palo Alto 21
- Pasatiempo 21
- Pine Mountain Club 21
- Pleasant Hill 21
- Pleasanton 21
- Prunedale 21
- Rancho Cordova 21
- Sacramento 21
- Salinas 21
- Sea Ranch 21
- Seal Beach 21
- Sky Valley 21
- South Yuba City 21
- Summerland 21
- Tierra Buena 21
- Topanga 21
- Vallejo 21
- Walnut Creek 21
- Weed 21
- Wheatland 21
- Woodland 21
- Yuba 21
- Yuba City 21
- Yucca Valley 21
- Atwater 20
- Black Point-Green Point 20
- Blackhawk 20
- Bolinas 20
- Borrego Springs 20
- Cameron Park 20
- Carmel Valley Village 20
- Danville 20
- Downey 20
- Elkhorn 20
- Humboldt 20
- Inglewood 20
- Lafayette 20
- Lagunitas-Forest Knolls 20
- Lake of the Pines 20
- Larkspur 20
- Lincoln 20
- Live Oak 20
- Lone Pine 20
- Lucas Valley-Marinwood 20
- Marin 20
- Marina 20
- Meadow Vista 20
- Mill Valley 20
- Montague 20
- Monte Sereno 20
- Monterey 20
- Mount Shasta 20
- Nice 20
- Orinda 20
- Pacific Grove 20
- Pacifica 20
- Palmdale 20
- Palo Cedro 20
- Patterson 20
- Placerville 20
- Plumas Lake 20
- Rio Dell 20
- Rio Vista 20
- San Anselmo 20
- San Bruno 20
- San Francisco 20
- San Mateo 20
- Saratoga 20
- Sutter 20
- Sutter Creek 20
- Tamalpais-Homestead Valley 20
- Tamalpais Valley 20
- Trabuco Canyon 20
- Watsonville 20
- Winters 20
- Wrightwood 20
- Arnold 19
- Brisbane 19
- Calabasas 19
- Calistoga 19
- Chowchilla 19
- Thành phố Daly 19
- Diamond Springs 19
- Dixon 19
- Escondido 19
- Foster City 19
- Hermosa Beach 19
- Inyo 19
- Ione 19
- Kensington 19
- Larkfield-Wikiup 19
- Los Banos 19
- Martinez 19
- Moraga 19
- Oroville 19
- Pioneer 19
- Portola 19
- Redwood Valley 19
- San Joaquin Hills 19
- San Juan Bautista 19
- Sausalito 19
- Seaside 19
- Sonoma 19
- Stanford 19
- Tehachapi 19
- Ukiah 19
- Upper Lake 19
- Weaverville 19
- Woodacre 19
- Yolo 19
- Yountville 19
- Alamo 18
- Alpine 18
- Belmont 18
- Belvedere 18
- Big Pine 18
- Blue Lake 18
- Chester 18
- Colfax 18
- Corning 18
- Corte Madera 18
- Cotati 18
- Deer Park 18
- Del Monte Forest 18
- El Cerrito 18
- Fairfield 18
- Foresthill 18
- Graeagle 18
- Graton 18
- Hidden Valley Lake 18
- Huntington Beach 18
- Kelseyville 18
- Mesa Verde 18
- Millbrae 18
- Morongo Valley 18
- Noe Valley 18
- Oakdale 18
- Occidental 18
- Penngrove 18
- Port Hueneme 18
- Redding 18
- Ripon 18
- Rohnert Park 18
- San Carlos 18
- Stonyford 18
- Susanville 18
- Tiburon 18
- Tuolumne City 18
- Twain Harte 18
- Vacaville 18
- Anderson 17
- Avalon 17
- Bertsch-Oceanview 17
- Bonny Doon 17
- Bridgeport 17
- Calaveras 17
- Clayton 17
- Cloverdale 17
- Coachella 17
- Coalinga 17
- Dunsmuir 17
- East Oakdale 17
- Fetters Hot Springs-Agua Caliente 17
- Firebaugh 17
- Forestville 17
- Gasquet 17
- Gold River 17
- Highlands-Baywood Park 17
- Inverness 17
- Laytonville 17
- North El Monte 17
- Pacheco 17
- Quartz Hill 17
- Rancho Santa Fe 17
- Rocklin 17
- San Lorenzo 17
- San Miguel 17
- Shingle Springs 17
- Solana Beach 17
- Sonora 17
- Suisun 17
- Temelec 17
- Thermalito 17
- Woodside 17
- Acalanes Ridge 16
- Bay Point 16
- Berry Creek 16
- Chico 16
- Durham 16
- Eastvale 16
- El Dorado Hills 16
- Eldridge 16
- Fair Oaks 16
- Hillsborough 16
- Janesville 16
- June Lake 16
- Kelso 16
- Kirkwood 16
- Lake Wildwood 16
- Lakeport 16
- Lewiston 16
- Lucerne 16
- Middletown 16
- Mission District 16
- Moss Beach 16
- North Auburn 16
- North Fork 16
- Orleans 16
- Paradise 16
- Phoenix Lake 16
- Point Arena 16
- Templeton 16
- Tulelake 16
- Auburn 15
- Baldwin Park 15
- Bass Lake 15
- Brooktrails 15
- Butte 15
- Calimesa 15
- Coarsegold 15
- Cobb 15
- Diablo 15
- El Dorado 15
- Hamilton City 15
- Klamath 15
- Laguna 15
- Lakehead-Lakeshore 15
- Montara 15
- Placer 15
- Plumas 15
- Prather 15
- Shasta 15
- Shingletown 15
- Sierra 15
- South Lake Tahoe 15
- Stockton 15
- Strawberry 15
- Talmage 15
- Thermal 15
- Tuolumne 15
- West Sacramento 15
- Westhaven-Moonstone 15
- Willits 15
- Woodbridge 15
- Yreka 15
- Arden-Arcade 14
- Auberry 14
- Big River 14
- Emerald Lake Hills 14
- Fairfax 14
- Folsom 14
- Gualala 14
- Ladera 14
- Lexington Hills 14
- Magalia 14
- Mariposa 14
- Monte Rio 14
- Newcastle 14
- Potter Valley 14
- Rancho Murieta 14
- Rosemead 14
- Running Springs 14
- Sunnyside-Tahoe City 14
- Tahoe Vista 14
- Yosemite Valley 14
- Brea 13
- Buckhorn 13
- Central Valley (historical) 13
- Columbia 13
- Eureka 13
- Fortuna 13
- Gerber 13
- Idyllwild-Pine Cove 13
- Lake San Marcos 13
- Macdoel 13
- McKinleyville 13
- Needles 13
- Palermo 13
- Plymouth 13
- Tahoe City 13
- Truckee 13
- West Bishop 13
- Arcata 12
- Bella Vista 12
- Boonville 12
- Capitola 12
- Coleville 12
- Cool 12
- Costa Mesa 12
- Cottonwood 12
- Covelo 12
- East Quincy 12
- Escalon 12
- Granite Bay 12
- Hoopa 12
- Hornbrook 12
- Johnstonville 12
- Lower Lake 12
- Mono Vista 12
- Oakhurst 12
- Redway 12
- Siskiyou 12
- Trinity 12
- Amador 11
- Angwin 11
- Carnelian Bay 11
- Ceres 11
- Crescent City 11
- Ferndale 11
- Kings Beach 11
- Orangevale 11
- San Marcos 11
- Soledad 11
- Tahoma 11
- Galt 10
- Greenville 10
- Laguna Woods 10
- Lee Vining 10
- Midpines 10
- Mission Canyon 10
- Rancho Calaveras 10
- Williams 10
- Ahwahnee 9
- Bayside 9
- Spring Valley 9
- Tehama 9
- Twin Lakes 9
- Wilton 9
- Anza 8
- Arbuckle 8
- El Monte 8
- Glenn 8
- Nashville 8
- North Lakeport 8
- Rio Del Mar 8
- Salton City 8
- Yosemite Lakes 8
- Clearlake 7
- Olympic Valley 7
- San Juan Capistrano 7
- Mono 6
- Oroville East 6
- Gridley 4
- Quincy 3
- Avila Beach 2
AQI US, Metric