Pollen count and allergy info for San Marcos
San Marcos pollen and allergy report • 03:00, Apr 24
Index
High
Tree
Low
Grass
High
Weed
Low
13°
3 km/h
93%Daily allergy forecast
San Marcos pollen count forecast
Today  17 km/h 20°13° 80% | Saturday  17 km/h 17°13° 79% | Sunday  26 km/h18°13° 62% |
Air pollutants
Air quality in San Marcos today
AQI⁺
Air quality index
10AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
1.8µg/m³
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Where is the highest pollen level in California?
- Albany3
- Alpine3
- Alturas3
- Arvin3
- Avocado Heights3
- Bear Valley Springs3
- Berkeley3
- Bethel Island3
- Bishop3
- Calabasas3
- California Pines3
- Carpinteria3
- Claremont3
- Cutler3
- Del Aire3
- Dixon Lane-MeadowCreek3
- East Richmond Heights3
- El Cerrito, Contra Costa County3
- El Segundo3
- Emeryville3
- Ferndale3
- Firebaugh3
- Fort Jones3
- Fortuna3
- Foster City3
- Fowler3
- Hacienda Heights3
- Harbison Canyon3
- Hayfork3
- Hermosa Beach3
- Home Garden3
- Ivanhoe3
- Kensington3
- King City3
- Kings3
- Knightsen3
- La Puente3
- Lake San Marcos3
- Lawndale3
- Lemon Cove3
- Lennox3
- Madera Acres3
- Malibu3
- Manhattan Beach3
- Marina del Rey3
- Mesa3
- Montclair3
- Montecito3
- Monterey County3
- Newell3
- Oakland3
- Orange Cove3
- Orosi3
- Patterson Tract3
- Philo3
- Piedmont3
- Potter Valley3
- Redondo Beach3
- Redwood Valley3
- Rio Dell3
- Round Valley3
- San Leandro3
- San Marcos3
- San Mateo3
- Santa Monica3
- Scotia3
- Shasta Lake3
- South El Monte3
- Stallion Springs3
- Summerland3
- Toro Canyon3
- Trinity3
- Upland3
- Weaverville3
- Weedpatch3
- West Bishop3
- Whittier3
- Wilkerson3
- Woodlake3
- Yreka3
- Acampo2
- Acton2
- Agoura Hills2
- Agua Dulce2
- Alhambra2
- Allensworth2
- Alondra Park2
- Alpaugh2
- Alta Sierra, Kern County2
- Altadena2
- American Canyon2
- Antelope2
- Apple Valley2
- Arcadia2
- Armona2
- Artesia2
- Atwater2
- Auberry2
- Avenal2
- Azusa2
- Baker2
- Bakersfield2
- Bakersfield Country Club2
- Baldwin Park2
- Banning2
- Beale Air Force Base2
- Beaumont2
- Beckwourth2
- Bell2
- Bell Gardens2
- Bellflower2
- Bermuda Dunes2
- Beverly Hills2
- Big Pine2
- Biola2
- Bloomington2
- Blythe2
- Bodfish2
- Bonadelle Ranchos2
- Borrego Springs2
- Bradbury2
- Brawley2
- Brea2
- Brentwood2
- Bret Harte2
- Brisbane2
- Bucks Lake2
- Buena Park2
- Burbank, Los Angeles County2
- Buttonwillow2
- Byron2
- Bystrom2
- Cabazon2
- Calipatria2
- Camarillo2
- Cambrian Park2
- Campbell2
- Carmichael2
- Carnelian Bay2
- Carson2
- Cartago2
- Caruthers2
- Casa Conejo2
- Castaic2
- Cathedral City2
- Catheys Valley2
- Cayucos2
- Cedar Flat2
- Centerville, Fresno County2
- Ceres2
- Cerritos2
- Channel Islands Beach2
- Charter Oak2
- Cherry Valley2
- Chico2
- Chino2
- Chino Hills2
- Chowchilla2
- Chula Vista2
- Citrus2
- Citrus Heights2
- Clovis2
- Coachella2
- Coalinga2
- Coarsegold2
- Collierville2
- Colton2
- Colusa County2
- Commerce2
- Compton2
- Corcoran2
- Corona2
- Coronado2
- Coronita2
- Covina2
- Cudahy2
- Culver City2
- Cupertino2
- Cuyama2
- Cypress2
- Del Dios2
- Del Rey2
- Del Rio2
- Delano2
- Delhi2
- Desert Center2
- Desert Edge2
- Desert Hot Springs2
- Desert Shores2
- Desert View Highlands2
- Diamond Bar2
- Dinuba2
- Discovery Bay2
- Dollar Point2
- Dorris2
- Dos Palos2
- Downey2
- Duarte2
- Dunsmuir2
- Durham2
- Earlimart2
- East Hemet2
- East Los Angeles2
- East Pasadena2
- East Porterville2
- East Rancho Dominguez2
- East San Gabriel2
- East Whittier2
- Easton2
- Eastvale2
- Edwards Air Force Base2
- El Monte, Contra Costa County2
- El Rio2
- Elverta2
- Empire2
- Escondido2
- Fair Oaks2
- Fairfield2
- Fairmead2
- Farmington2
- Fillmore2
- Florence-Graham2
- Fontana2
- Foothill Farms2
- Ford City2
- Fort Irwin2
- Fountain Valley2
- French Valley2
- Fresno2
- Fresno County2
- Friant2
- Fruitdale2
- Fullerton2
- Garden Grove2
- Gardena2
- Garnet2
- Glendale2
- Glendora2
- Glenn2
- Gold River2
- Goleta2
- Good Hope2
- Grand Terrace2
- Granite Bay2
- Green Valley, Los Angeles County2
- Greenacres2
- Greenville2
- Guinda2
- Gustine2
- Hanford2
- Hasley Canyon2
- Hawaiian Gardens2
- Hawthorne2
- Hemet2
- Hidden Hills2
- Highgrove2
- Highland2
- Hilmar-Irwin2
- Home Gardens2
- Homestead Valley2
- Hoopa2
- Hornitos2
- Hughson2
- Huntington Beach2
- Huntington Park2
- Huron2
- Imperial Beach2
- Indian Wells2
- Indio2
- Inglewood2
- Inyo County2
- Irvine2
- Irwindale2
- Isla Vista2
- Isleton2
- Jamul2
- Janesville2
- Jurupa Valley2
- Keeler2
- Kerman2
- Kettleman City2
- Keyes2
- Kingsburg2
- La Cañada Flintridge2
- La Crescenta-Montrose2
- La Cresta2
- La Habra2
- La Habra Heights2
- La Mirada2
- La Palma2
- La Quinta2
- La Verne2
- Ladera Heights2
- Lake Don Pedro2
- Lake Isabella2
- Lake Los Angeles2
- Lake Nacimiento2
- Lake Sherwood2
- Lakeview2
- Lakewood2
- Lancaster2
- Laton2
- Le Grand2
- Lemoore Station2
- Leona Valley2
- Lincoln2
- Linden2
- Lindsay2
- Littlerock2
- Livingston2
- Lockeford2
- Lockwood, Monterey County2
- Lodi2
- Loma Linda2
- Lomita2
- London2
- Lone Pine2
- Long Beach2
- Loomis2
- Los Alamitos2
- Los Angeles2
- Los Angeles County2
- Los Banos2
- Lost Hills2
- Lynwood2
- Macdoel2
- Madera County2
- March ARB2
- Maxwell2
- Mayfair2
- Mayflower Village2
- Maywood2
- McFarland2
- Mead Valley2
- Mecca2
- Meiners Oaks2
- Mendota2
- Mentone2
- Merced County2
- Mesa Verde2
- Midway City2
- Millerton2
- Minkler2
- Mira Monte2
- Mission Canyon2
- Modesto2
- Mojave2
- Monrovia2
- Montebello2
- Monterey Park2
- Moorpark2
- Moreno Valley2
- Morongo Valley2
- Morro Bay2
- Mountain House2
- Muscoy2
- National City2
- Needles2
- New Cuyama2
- Newman2
- Niland2
- Norco2
- Nord2
- North Edwards2
- North El Monte2
- North Highlands2
- North Shore2
- North Tustin2
- Norwalk2
- Nuevo2
- Oak Hills2
- Oak Park2
- Oak View2
- Oakley2
- Ocotillo2
- Oildale2
- Ojai2
- Olancha2
- Old Fig Garden2
- Ontario2
- Orange County2
- Orangevale2
- Orinda2
- Orland2
- Oxnard2
- Palm Desert2
- Palm Springs2
- Palmdale2
- Paramount2
- Parklawn2
- Parksdale2
- Parkwood2
- Parlier2
- Pasadena2
- Paso Robles2
- Perris2
- Pico Rivera2
- Piru2
- Pixley2
- Placentia2
- Planada2
- Pomona2
- Poplar-Cotton Center2
- Port Hueneme2
- Porterville2
- Poway2
- Quartz Hill2
- Rancho Cordova2
- Rancho Cucamonga2
- Rancho Mirage2
- Rancho Tehama Reserve2
- Randsburg2
- Redlands2
- Reedley2
- Rialto2
- Richgrove2
- Rio Linda2
- Ripon2
- Riverbank2
- Riverdale2
- Riverdale Park2
- Riverside2
- Riverside County2
- Robbins2
- Rocklin2
- Rolling Hills Estates2
- Rolling Hills, Los Angeles County2
- Romoland2
- Rosamond2
- Rosedale2
- Rosemead2
- Roseville2
- Rossmoor2
- Rouse2
- Rowland Heights2
- Salida2
- Salton City2
- San Antonio Heights2
- San Bernardino County2
- San Diego2
- San Dimas2
- San Fernando2
- San Gabriel2
- San Jacinto2
- San Marino2
- San Miguel, San Luis Obispo County2
- San Pasqual2
- Sanger2
- Santa Clarita2
- Santa Fe Springs2
- Santa Paula2
- Santa Rosa2
- Santa Rosa Valley2
- Santa Susana2
- Santee2
- Saratoga2
- Seal Beach2
- Searles Valley2
- Seeley2
- Selma2
- Shandon2
- Sheridan2
- Sierra Madre2
- Signal Hill2
- Simi Valley2
- Sky Valley2
- Solano2
- Somis2
- South Dos Palos2
- South Gate2
- South Pasadena2
- South San Francisco2
- South San Gabriel2
- South San Jose Hills2
- South Taft2
- South Whittier2
- Springville2
- Stanislaus2
- Stanton2
- Stevenson Ranch2
- Stratford2
- Strathmore2
- Suisun City2
- Sun Village2
- Sunnyside2
- Taft Heights2
- Tahoe Vista2
- Tancred2
- Tarpey Village2
- Taylorsville2
- Temescal Valley2
- Temple City2
- Templeton2
- Tennant2
- Terra Bella2
- Teviston2
- Thermal2
- Thousand Oaks2
- Thousand Palms2
- Three Rivers2
- Tipton2
- Topanga2
- Tracy2
- Tranquillity2
- Trona2
- Tulare County2
- Tulelake2
- Tustin2
- Twentynine Palms2
- Val Verde2
- Valinda2
- Valle Vista2
- Ventura2
- Vernon2
- View Park-Windsor Hills2
- Villa Park2
- Vincent2
- Vista2
- Vista Santa Rosa2
- Walnut2
- Walnut Park2
- Wasco2
- Waterford2
- Weitchpec2
- West Athens2
- West Carson2
- West Covina2
- West Hollywood2
- West Modesto2
- West Puente Valley2
- West Rancho Dominguez2
- West Sacramento2
- West Whittier-Los Nietos2
- Westlake Village2
- Westley2
- Westminster2
- Westmont2
- Westmorland2
- Wheatland2
- Williams2
- Willow Creek2
- Willowbrook2
- Willows2
- Winton2
- Wofford Heights2
- Woodbridge2
- Woodcrest2
- Woodland2
- Woodville2
- Yermo2
- Yosemite Lakes2
- Yucaipa2
- Yucca Valley2
- Acalanes Ridge1
- Adelanto1
- Adin1
- Aguanga1
- Ahwahnee1
- Alameda County1
- Alamo1
- Albion1
- Alhambra Valley1
- Aliso Viejo1
- Allendale1
- Alta1
- Alum Rock1
- Amador1
- Amador City1
- Amesti1
- Anaheim1
- Anderson1
- Angels1
- Angwin1
- Antioch1
- Anza1
- Aptos1
- Aptos Hills-Larkin Valley1
- Arbuckle1
- Arcata1
- Arden-Arcade1
- Arnold1
- Aromas1
- Arroyo Grande1
- Ashland1
- Atascadero1
- Atherton1
- Auburn1
- Auburn Lake Trails1
- August1
- Avalon1
- Avery1
- Avila Beach1
- Barstow1
- Bass Lake1
- Bay Point1
- Bayview, Humboldt County1
- Baywood Park1
- Bear Valley, Mariposa County1
- Bella Vista1
- Belmont1
- Belvedere1
- Ben Lomond1
- Benbow1
- Bend1
- Benicia1
- Benton1
- Berry Creek1
- Bertsch-Oceanview1
- Big Bear City1
- Big Bear Lake1
- Big River1
- Biggs1
- Black Point-Green Point1
- Blackhawk1
- Blacklake1
- Blue Lake1
- Bodega1
- Bodega Bay1
- Bolinas1
- Bonita1
- Bonny Doon1
- Bonsall1
- Boonville1
- Bootjack1
- Boron1
- Boronda1
- Bostonia1
- Boulder Creek1
- Boyes Hot Springs1
- Bridgeport1
- Broadmoor1
- Brookdale1
- Brooks1
- Brooktrails1
- Buckhorn1
- Buellton1
- Burlingame1
- Burney1
- Butte1
- Butte Creek Canyon1
- Butte Meadows1
- Butte Valley1
- Calaveras1
- Calexico1
- California City1
- Calimesa1
- Calistoga1
- Callender1
- Calpine1
- Camanche Village1
- Cambria1
- Cameron Park1
- Camino1
- Camino Tassajara1
- Camp Nelson1
- Camp Pendleton Mainside1
- Camp Pendleton South1
- Campo1
- Camptonville1
- Canby1
- Cantua Creek1
- Canyon Lake1
- Canyondam1
- Capitola1
- Carlsbad1
- Carmel-by-the-Sea1
- Carmel Valley Village1
- Carmet1
- Casa de Oro-Mount Helix1
- Caspar1
- Castle Hill1
- Castro Valley1
- Castroville1
- Cazadero1
- Cedar Ridge1
- Chalfant1
- Challenge-Brownsville1
- Cherryland1
- Chester1
- China Lake Acres1
- Chinese Camp1
- Chualar1
- Clarksburg1
- Clay1
- Clayton1
- Clearlake1
- Clearlake Oaks1
- Clearlake Riviera1
- Clio1
- Clipper Mills1
- Cloverdale1
- Clyde1
- Cobb1
- Coffee Creek1
- Cold Springs, Tuolumne County1
- Coleville1
- Colfax1
- Colma1
- Coloma1
- Columbia1
- Comptche1
- Concord1
- Concow1
- Contra Costa Centre1
- Contra Costa County1
- Copperopolis1
- Corning1
- Corralitos1
- Corte Madera1
- Costa Mesa1
- Cotati1
- Coto de Caza1
- Cottonwood, Shasta County1
- Country Club1
- Courtland1
- Covelo1
- Crescent City1
- Crest1
- Crestline1
- Crockett1
- Cromberg1
- Crowley Lake1
- Cutten1
- Daly City1
- Dana Point1
- Danville1
- Davenport1
- Davis1
- Day Valley1
- Deer Park1
- Del Mar1
- Del Monte Forest1
- Del Rey Oaks1
- Denair1
- Descanso1
- Diablo1
- Diamond Springs1
- Dillon Beach1
- Dixon1
- Dobbins1
- Dogtown1
- Dorrington1
- Downieville1
- Dublin1
- Dunnigan1
- Dutch Flat1
- East Foothills1
- East Oakdale1
- East Palo Alto1
- East Quincy1
- East Shore1
- East Sonora1
- El Cajon1
- El Centro1
- El Dorado County1
- El Dorado Hills1
- El Granada1
- El Portal1
- El Sobrante, Contra Costa County1
- El Verano1
- Eldridge1
- Elk Creek1
- Elk Grove1
- Elkhorn1
- Emerald Lake Hills1
- Encinitas1
- Escalon1
- Esparto1
- Etna1
- Eucalyptus Hills1
- Exeter1
- Fairbanks Ranch1
- Fairfax, Marin County1
- Fairview1
- Fallbrook1
- Farmersville1
- Felton1
- Fetters Hot Springs-Agua Caliente1
- Fiddletown1
- Fieldbrook1
- Fields Landing1
- Fish Camp1
- Florin1
- Folsom1
- Forest Meadows1
- Forest Ranch1
- Foresta1
- Foresthill1
- Forestville1
- Fort Bragg1
- Franklin, Sacramento County1
- Frazier Park1
- Freedom1
- Fremont1
- French Camp1
- French Gulch1
- Fruitridge Pocket1
- Fulton1
- Galt1
- Garberville1
- Garden Acres1
- Gasquet1
- Georgetown1
- Gerber1
- Geyserville1
- Gilroy1
- Glen Ellen1
- Gold Mountain1
- Golden Hills1
- Gonzales1
- Goshen1
- Graeagle1
- Granite Hills1
- Grass Valley1
- Graton1
- Grayson1
- Green Acres1
- Greenfield, Monterey County1
- Greenview1
- Grenada1
- Grimes1
- Grizzly Flats1
- Groveland1
- Grover Beach1
- Guadalupe1
- Guerneville1
- Half Moon Bay1
- Hamilton Branch1
- Happy Camp1
- Happy Valley1
- Hartland1
- Hartley1
- Hathaway Pines1
- Hayward1
- Healdsburg1
- Heber1
- Herald1
- Hercules1
- Hesperia1
- Hidden Meadows1
- Hidden Valley Lake1
- Highlands1
- Hillsborough1
- Hiouchi1
- Hollister1
- Holtville1
- Homeland1
- Hopland1
- Hornbrook1
- Humboldt County1
- Humboldt Hill1
- Idlewild1
- Idyllwild-Pine Cove1
- Igo1
- Imperial1
- Independence1
- Indianola1
- Interlaken1
- Inverness1
- Inyokern1
- Ione1
- Iron Horse1
- Jackson1
- Jamestown1
- Jenner1
- Johnstonville1
- Johnsville1
- Julian1
- June Lake1
- Kelly Ridge1
- Kelseyville1
- Kennedy1
- Kentfield1
- Kenwood1
- Kern1
- Kernville1
- Kings Beach1
- Kirkwood1
- Klamath County1
- La Honda1
- La Mesa1
- La Presa1
- La Riviera1
- La Selva Beach1
- Ladera1
- Ladera Ranch1
- Lafayette1
- Laguna Beach1
- Laguna Hills1
- Laguna Niguel1
- Laguna Woods1
- Lagunitas-Forest Knolls1
- Lake Almanor Country Club1
- Lake Almanor West1
- Lake Arrowhead1
- Lake County1
- Lake Elsinore1
- Lake Forest1
- Lake of the Pines1
- Lake Shastina1
- Lake Wildwood1
- Lakehead1
- Lakeland Village1
- Lakeport1
- Lakeside, San Diego County1
- Lamont1
- Larkfield-Wikiup1
- Larkspur1
- Las Flores, Orange County1
- Las Lomas1
- Lathrop1
- Laytonville1
- Lebec1
- Lee Vining1
- Leggett1
- Lemon Grove1
- Lenwood1
- Lewiston1
- Lexington Hills1
- Lincoln Village1
- Linda1
- Little Grass Valley1
- Little River1
- Live Oak CDP1
- Live Oak, Sutter County1
- Livermore1
- Loma Mar1
- Loma Rica1
- Lompico1
- Lompoc1
- Long Barn1
- Los Alamos1
- Los Altos1
- Los Altos Hills1
- Los Berros1
- Los Gatos1
- Los Molinos1
- Los Olivos1
- Los Osos1
- Lower Lake1
- Loyalton1
- Loyola1
- Lucas Valley-Marinwood1
- Lucerne1
- Lucerne Valley1
- Madeline1
- Madison1
- Magalia1
- Mammoth Lakes1
- Manchester1
- Manila1
- Manteca1
- Maricopa1
- Marin City1
- Marin County1
- Marina1
- Mariposa County1
- Markleeville1
- Martell1
- Martinez1
- Marysville1
- Matheny1
- Mather1
- McArthur1
- McCloud1
- McKinleyville1
- Meadow Vista1
- Meadowbrook1
- Mendocino County1
- Menifee1
- Menlo Park1
- Mesa Vista1
- Meyers1
- Mi-Wuk Village1
- Middletown1
- Midpines1
- Mill Valley1
- Millbrae1
- Millville1
- Milpitas1
- Mineral1
- Mission Hills1
- Mission Viejo1
- Modjeska1
- Mokelumne Hill1
- Mono1
- Mono Vista1
- Montague1
- Montalvin Manor1
- Montara1
- Monte Rio1
- Monte Sereno1
- Monterey1
- Montgomery Creek1
- Monument Hills1
- Morada1
- Moraga1
- Morgan Hill1
- Moss Beach1
- Mount Hermon1
- Mount Shasta1
- Mountain Gate1
- Mountain Ranch1
- Mountain View Acres1
- Mountain View, Santa Clara County1
- Muir Beach1
- Murphys1
- Murrieta1
- Myrtletown1
- Napa County1
- Nevada1
- Nevada City1
- Newark1
- Newcastle1
- Newport Beach1
- Nicasio1
- Nice1
- Nipomo1
- North Auburn1
- North Fair Oaks1
- North Fork1
- North Lakeport1
- North Richmond1
- North San Juan1
- Novato1
- Oak Run1
- Oakdale1
- Oakhurst1
- Occidental1
- Oceano1
- Oceanside1
- Old Station1
- Olivehurst1
- Onyx1
- Orcutt1
- Oroville1
- Oroville East1
- Pacheco1
- Pacific Grove1
- Pacifica1
- Pajaro1
- Palermo1
- Palo Alto1
- Palo Cedro1
- Palos Verdes Estates1
- Paradise, Paradise County1
- Paradise Park1
- Parkway1
- Pasatiempo1
- Penn Valley1
- Penngrove1
- Pescadero1
- Petaluma1
- Phelan1
- Phoenix Lake1
- Pike1
- Pine Flat1
- Pine Grove1
- Pine Hills1
- Pine Mountain Club1
- Pine Mountain Lake1
- Pine Valley1
- Pinole1
- Piñon Hills1
- Pioneer1
- Pismo Beach1
- Pittsburg1
- Placer County1
- Placerville1
- Platina1
- Pleasant Hill1
- Pleasanton1
- Pleasure Point1
- Plumas1
- Plumas Lake1
- Plymouth1
- Point Arena1
- Point Reyes Station1
- Pollock Pines1
- Portola1
- Portola Valley1
- Potrero1
- Prunedale1
- Quincy1
- Rail Road Flat1
- Rainbow1
- Ramona1
- Rancho Calaveras1
- Rancho Murieta1
- Rancho Palos Verdes1
- Rancho San Diego1
- Rancho Santa Fe1
- Rancho Santa Margarita1
- Red Bluff1
- Red Corral1
- Redding1
- Redway1
- Redwood City1
- Reliez Valley1
- Richmond1
- Ridgecrest1
- Ridgemark1
- Rio del Mar1
- Rio Vista1
- River Pines1
- Rodeo1
- Rohnert Park1
- Rollingwood1
- Rosemont1
- Ross1
- Rough and Ready1
- Running Springs1
- Rutherford1
- Sacramento County1
- Salinas1
- San Andreas1
- San Anselmo1
- San Benito County1
- San Bruno1
- San Carlos1
- San Clemente1
- San Diego Country Estates1
- San Diego County1
- San Francisco1
- San Joaquin County1
- San Jose1
- San Juan Bautista1
- San Juan Capistrano1
- San Lorenzo1
- San Luis Obispo1
- San Martin1
- San Mateo County1
- San Pablo1
- San Rafael1
- San Ramon1
- Santa Ana1
- Santa Barbara County1
- Santa Clara County1
- Santa Cruz County1
- Santa Margarita1
- Santa Maria1
- Santa Venetia1
- Santa Ynez1
- Saranap1
- Saticoy1
- Sattley1
- Sausalito1
- Scotts Valley1
- Sea Ranch1
- Seacliff1
- Seaside1
- Sebastopol1
- Sereno del Mar1
- Shasta County1
- Shaver Lake1
- Sheep Ranch1
- Shell Ridge1
- Shelter Cove1
- Shingle Springs1
- Shingletown1
- Sierra1
- Sierra City1
- Sierraville1
- Silver Lakes1
- Silverado Resort1
- Siskiyou County1
- Sisquoc1
- Sleepy Hollow1
- Smartsville1
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