AddAir quality in San Francisco
Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 1.1M Followers • 02:00, Sep 21 Local time
20
US AQI⁺Good
Main pollutant:
O₃
44 µg/m³
15°
14 km/h
96 %
Hourly forecast
San Francisco air quality index (AQI⁺) forecast
Daily forecast
San Francisco air quality index (AQI⁺) forecast
| Today | 31 |  | 16° 14° |  23 km/h | 96% |
| Tue | 43 | | 17° 13° | 18 km/h | 93% |
| Wed | 32 |  | 21° 15° | 17 km/h | 71% |
Air pollutants
What is the current air quality in San Francisco?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Francisco
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in San Francisco today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Francisco today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Francisco
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near San Francisco
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Francisco
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
Most polluted locations near San Francisco
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Francisco
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in San Francisco?
- 4066 23rd Street1
- 847-815 Chenery St1
- Bernal Heights 21
- Chenery St1
- Ingleside Terraces1
- Lippard Avenue1
- Market Street 21
- Molimo Drive1
- Montezuma Street1
- Pine Street & California Street1
- Rivoli Street1
- Scott Street1
- Visitacion Valley1
- Western Addition1
- Potomac Street2
- Upper Shrader Cole Valley2
- 4256 22nd Street3
- Golden Gate3
- Joost Avenue 13
- Martha Avenue3
- 409A 30th Street4
- Ashbury St4
- Buchanan and Broadway4
- Capitol Avenue4
- McAllister Street4
- Nob Hill4
- Outer Sunset 40th & Irving4
- San Jose Ave and Ocean Ave4
- West Page Street4
- West of Twin Peaks4
- LH Webster5
- Espirit Park Roof6
- Quintara Street 26
- 10th and Fulton Deck7
- 4010 Eureka Valley7
- 540 Victoria Street7
- Edgehill Open Space Park7
- Greenwich Street7
- Mendell & La Salle Ave7
- Mission Bernal Hospital7
- Natoma Street7
- Stanyan Street8
- 15th and Castro St.9
- Baker St9
- Isis Street9
- Capp Street Garden10
- Castenada Avenue10
- Flood Avenue10
- Lombard Street10
- Quarry Road10
- States Street10
- 5235 Diamond Heights Boulevard11
- Balboa Park Pool11
- Noe Valley11
- Wright Street 211
- Mississippi Street13
- Pacheco Street13
- Tompkins Avenue13
- 2949B-B Pacific Ave14
- 313 Shotwell Street14
- Eureka Valley14
- Hickory Street14
- Page Street Station14
- Precita Valley14
- 1770 McKinnon Avenue15
- 23rd Street & 3rd Street15
- 4000-4098 21st St15
- 662 Cayuga Ave15
- Diamond Street & Conrad Street15
- Golden Gate Height15
- St Helena Cooperative Nursery School15
- 116 Marietta Drive16
- Duncan Castro Open Space16
- Laguna Street16
- Oakdale Avenue16
- Staples Avenue16
- 12th Ave17
- 351 Magellan Ave17
- St. 00-99 Block17
- 100 Block Andover18
- 915 Cayuga Ave18
- Broadway between Hyde and Larkin18
- Churchill Park18
- Gladys Street18
- McCoppin Hub18
- Portola Street18
- 1034-1064 14th St19
- 150 Parker Ave.19
- 200-298 Carl St19
- 215 Connecticut St19
- 4739-4737 California St19
- Anza Vista-the_balbs19
- Brannan St19
- Mid Liberty Street19
- Mojave Street19
- Walter Street19
- 476-498 Innes Ave20
- De Haro Blvd20
- Filbert Street20
- Hazelwood at Mangels20
- Kensington Way20
- Lake & 21st Avenue20
- Bernal Heights21
- Santa Rosa Avenue21
- 1108-1126 Cabrillo St22
- 1501-1599 8th Ave22
- 18thAve/TaravalUlloa22
- 35 Keyes Ave22
- 460 29th street22
- 600-698 Panorama Dr22
- 6th and Hugo Street22
- Hays Street22
- Sunnyside St22
- Miraloma Park O'Shaughnessy23
- Outer Sunset 423
- 100-200 Colby St24
- 427 Kirkham Street24
- 491 Corbett Avenue24
- 541 Presidio Blvd24
- Mt. Davidson24
- 100-200 Maynard St25
- 144 Funston Avenue25
- Buena Vista Heights25
- Jackson & Walnut25
- Mission District 125
- 1377 29th Ave26
- Cole Valley26
- Mission District & Osage Street26
- Ripley Street26
- 1333 Jones St.27
- 2799-2701 Green St27
- 6th Ave Backyard27
- 99-1 Dolores Terrace27
- Bay Street27
- Illinois Street27
- 327-203 Marietta Dr28
- 3398 Baker Street28
- 2-76 Amethyst Way29
- 382 7th St29
- Ingerson & Ingalls Street31
- Quesada & Jennings31
- Van Dyke and Lane street31
- 3rd Street Youth Innes Location32
- IFR Mission St & 25th St32
- Inner Sunset32
- Mother Brown’s32
- Palou Ave & 3rd St33
- Potrero Hill 233
- Safer Together/Bernal33
- BGC Tenderloin34
- Pier 80 Terminal34
- Presidio34
- Crocker Amazon35
- Newcomb Ave & Newhall St35
- The Nabe35
- YMCA Bayview Hunters Point35
- Rincon Hill36
- Bocana & Cortland37
- Downey Street38
- Griffith & Ingerson St39
