AddAir quality in San Francisco
Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 1.1M Followers • 01:00, Sep 21 Local time
20
US AQI⁺Good
Main pollutant:
O₃
44 µg/m³
15°
13 km/h
95 %
Hourly forecast
San Francisco air quality index (AQI⁺) forecast
Daily forecast
San Francisco air quality index (AQI⁺) forecast
| Today | 32 |  | 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?
- Market Street 20
- Potrero Hill 18th & Mississippi0
- Visitacion Valley0
- Bernal Heights 21
- Capitol Avenue1
- Congo Street1
- Lippard Avenue1
- Mission Bernal Hospital1
- Molimo Drive1
- Montezuma Street1
- Outer Sunset 40th & Irving1
- Pine Street & California Street1
- Precita Avenue1
- Rivoli Street1
- Western Addition1
- Greenwich Street2
- 540 Victoria Street3
- Martha Avenue3
- Potomac Street3
- 4066 23rd Street4
- Ashbury St4
- Buchanan and Broadway4
- Chenery St4
- Golden Gate4
- McAllister Street4
- Upper Shrader Cole Valley4
- West Page Street4
- Joost Avenue 15
- 2635 16th Avenue6
- Lakeview near Margaret6
- Stanyan Street6
- 21st & Balboa7
- 4256 22nd Street7
- Cow Hollow7
- Flood Avenue7
- LH Webster7
- Lombard Street7
- Mendell & La Salle Ave7
- Nob Hill7
- Pacific Primary7
- Sait Germain Avenue7
- West of Twin Peaks7
- Espirit Park Roof8
- Quintara Street 28
- States Street8
- 4010 Eureka Valley9
- 5235 Diamond Heights Boulevard9
- Baker St9
- Natoma Street9
- San Jose Ave and Ocean Ave9
- Balboa Park Pool11
- 15th and Castro St.12
- 19 St Charles Avenue12
- Capp Street Garden12
- House Guerrero12
- Edgehill Open Space Park13
- Isis Street13
- Noe Valley13
- Wright Street 213
- 116 Marietta Drive14
- 1770 McKinnon Avenue14
- Mississippi Street14
- Pacheco Street14
- Tompkins Avenue14
- 23rd Street & 3rd Street15
- 351 Magellan Ave15
- 4000-4098 21st St15
- Valley Street15
- 12th Ave16
- 150 Parker Ave.16
- 4299-4201 26th St16
- Anza Vista-the_balbs16
- Castenada Avenue16
- Duncan Castro Open Space16
- Eureka Valley16
- Portola Street16
- Precita Valley16
- St Helena Cooperative Nursery School16
- 1034-1064 14th St17
- 313 Shotwell Street17
- 662 Cayuga Ave17
- Diamond Street & Conrad Street17
- Kensington Way17
- Laguna Street17
- Oakdale Avenue17
- Outer Sunset-2340 42nd Ave17
- Potrero Hill 217
- Santa Rosa Avenue17
- Staples Avenue17
- 100 Block Andover18
- 200-298 Carl St18
- 4739-4737 California St18
- Bernal Heights18
- Broadway between Hyde and Larkin18
- Filbert Street18
- 144 Funston Avenue19
- Cole Valley19
- Golden Gate Height19
- Lake & 21st Avenue19
- McCoppin Hub19
- Noe Valley 219
- Page Street Station19
- 18thAve/TaravalUlloa20
- Gladys Street20
- Mt. Davidson20
- Sunnyside St20
- 1108-1126 Cabrillo St21
- 1501-1599 8th Ave21
- 215 Connecticut St21
- 491 Corbett Avenue21
- Brannan St21
- De Haro Blvd21
- Delano Avenue21
- Hazelwood at Mangels21
- Mid Liberty Street21
- Outer Sunset 421
- St. 00-99 Block21
- 100-200 Colby St22
- 460 29th street22
- 600-698 Panorama Dr22
- Jackson & Walnut22
- Mojave Street22
- 1377 29th Ave23
- 2799-2701 Green St23
- 427 Kirkham Street23
- 476-498 Innes Ave23
- 915 Cayuga Ave23
- Buena Vista Heights23
- Churchill Park23
- Illinois Street23
- 2949B-B Pacific Ave24
- Mission District24
- Walter Street24
- 541 Presidio Blvd25
- Mission District 125
- 100-200 Maynard St26
- 1333 Jones St.26
- 327-203 Marietta Dr26
- 6th Ave Backyard26
- Hickory Street26
- Ripley Street27
- 99-1 Dolores Terrace28
- Hays Street28
- Inner Sunset28
- 2-76 Amethyst Way29
- Miraloma Park O'Shaughnessy29
- 382 7th St30
- Bay Street31
- Quesada & Jennings32
- Van Dyke and Lane street32
- 3398 Baker Street33
- 35 Keyes Ave33
- 3rd Street Youth Innes Location33
- Rincon Hill33
- BGC Tenderloin34
- Griffith & Ingerson St34
- IFR Mission St & 25th St34
- Ingerson & Ingalls Street34
- Newcomb Ave & Newhall St34
- Crocker Amazon35
- Pier 80 Terminal35
- The Nabe35
- YMCA Bayview Hunters Point35
- 6th and Hugo Street37
- Downey Street37
- Bocana & Cortland38
- Safer Together/Bernal38
- Mother Brown’s39
- Presidio43
- Palou Ave & 3rd St50
- Mission District & Osage Street58
