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Air quality in San Francisco
Air quality index (AQI) and PM2.5 air pollution in San Francisco
626.3K people follow this city
San Francisco Air Quality Map
Real-time San Francisco air pollution map
AIR QUALITY DATA CONTRIBUTORS
209 Contributors
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Pollen
What is the pollen count in San Francisco today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Francisco?
| Weather | Few clouds |
| Temperature | 78.8°F |
| Humidity | 58% |
| Wind | 17.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sisters, Oregon | 185 |
| 2 | Redmond, Oregon | 169 |
| 3 | Sunriver, Oregon | 167 |
| 4 | Three Rivers, Oregon | 164 |
| 5 | Bend, Oregon | 163 |
| 6 | Deschutes River Woods, Oregon | 158 |
| 7 | Republic, Washington | 157 |
| 8 | Yakima, Washington | 155 |
| 9 | Nampa, Idaho | 154 |
| 10 | La Pine, Oregon | 151 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live San Francisco aqi ranking
Real-time San Francisco air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Brannan St | 212 |
| 2 | 23rd Street & 3rd Street | 90 |
| 3 | 1414 Washington Boulevard | 87 |
| 4 | Shore View Ave | 73 |
| 5 | Safer Together/Bernal | 64 |
| 6 | Downey Street | 62 |
| 7 | Quarry Road | 61 |
| 8 | 3398 Baker Street | 58 |
| 9 | Potrero Hill 2 | 57 |
| 10 | Baker Beach | 53 |
(local time)
SEE WORLD AQI RANKING
US AQI
36
live AQI index
Good
Overview
What is the current air quality in San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 36 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.4µg/m³ | |
| O3 | 42µg/m³ | |
| NO2 | 4.3µg/m³ | |
| CO | 343.5µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in San Francisco is currently 1.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Francisco?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
San Francisco air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Jul 21 | Good 29 AQI US | | 75.2° 53.6° |  8.9 mp/h |
| Monday, Jul 22 | Good 23 AQI US |  | 73.4° 59° | 8.9 mp/h |
| Tuesday, Jul 23 | Good 32 AQI US |  | 78.8° 60.8° | 13.4 mp/h |
| Today | Good 36 AQI US | 40% | 78.8° 60.8° | 13.4 mp/h |
| Thursday, Jul 25 | Moderate 53 AQI US  | | 68° 55.4° | 8.9 mp/h |
| Friday, Jul 26 | Good 27 AQI US | | 60.8° 53.6° | 13.4 mp/h |
| Saturday, Jul 27 | Good 30 AQI US | | 60.8° 55.4° | 13.4 mp/h |
| Sunday, Jul 28 | Moderate 54 AQI US | | 62.6° 55.4° | 11.2 mp/h |
| Monday, Jul 29 | Moderate 56 AQI US | | 64.4° 57.2° | 11.2 mp/h |
| Tuesday, Jul 30 | Good 45 AQI US | | 64.4° 57.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
San Francisco air quality data attribution
209Contributors
- California Air Resources Board (CARB)
1 station
2 Government Contributors
- Safer Together San Francisco
1 station
Non-profit organization Contributor
- Pat Conway
1 station
- Aaron Solochek
1 station
- Travis Thompson
1 station
- chono
1 station
- bearklaw
1 station
5 Individual Contributors
201 Anonymous contributors201 stations
201 Anonymous Contributors
5 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Francisco?
- 121 Day Street 4
- Garfield Street 7
- Outer Sunset 40th & Irving 7
- Mission District - San Jose Avenue 10
- Waller Street 10
- Western Addition 10
- 4031 21st Street 13
- 44 Fifth Avenue 13
- Chenery St 13
- Presidio Heights 13
- Grenard Terrace 16
- Mendell & La Salle Ave 16
- Financial District 17
- Parkmerced 17
- 141 6th Avenue 18
- Burlwood Drive 18
- 1728 Diamond Street 19
- CEEP at Star 19
- Ingleside Terraces 20
- Greenwich and Laguna 21
- Mid The Page Street 21
- 16 Seal Rock Dr 22
- 35th & Moraga 22
- Cortland Avenue 23
- Golden Gate 23
- Martha Avenue 23
- Moraga Street 24
- Potomac Street 24
- Rivoli Street 24
- States Street 25
- West of Twin Peaks 25
- 34th Avenue & Cabrillo Street 26
- Potrero Hill 18th & Mississippi 26
- Upper Elsie Coyotes 26
- Castro Duncan Open Space 27
- Broadway between Hyde and Larkin 28
- LH Webster 28
- McAllister 28
- Pacific Avenue 28
- Clement Street 29
- California College of The Arts 30
- 29th Avenue 31
- 4010 Eureka Valley 31
- 5235 Diamond Heights Boulevard 31
- 847-815 Chenery St 31
- Baker St 31
- Dolores and 28th 31
- Mission Bernal Hospital 31
- Pine Street & California Street 31
- Shipley Street 31
- California Street 32
- Capitol Avenue 32
- McAllister Street 32
- Oakdale Avenue 32
- Outer Sunset 4 32
- Quintara Street 2 32
- Sait Germain Avenue 32
- San Jose Ave and Ocean Ave 32
- Sea Cliff 32
- Stanyan Street 32
- The Little School 32
- 10th and Fulton Deck 33
- 181-47 Dalewood Way 33
- Balboa Street 33
- Congo Street 33
- Cumberland Street 33
- Espirit Park Roof 33
- Jackson & Walnut 33
- James Lick 33
- Lakeshore 33
- Lippard Avenue 33
- Sunnyside Elementary School 33
- Valencia Street 33
- 144 Funston Avenue 34
- Capp Street Garden 34
- Green Street 34
- Hickory Street 34
- Kirkham Street 34
- Laguna Street 34
- Miraloma Park O'Shaughnessy 34
- Noe Valley 34
- Pacheco Street 34
- Portola Street 34
- 116 Marietta Drive 35
- Banks Street 35
- Cameo Way 35
- Forest Side 35
- Page Street 35
- Pine Street 35
- Richland near Leese 35
- 1448 Plymouth Avenue 36
- 21st & Balboa 36
- 313 Shotwell Street 36
- 4362 24th Street 36
- 491 Corbett Avenue 36
- 540 Victoria Street 36
- 8th and Kirkham 36
- 915 Cayuga Ave 36
- Anza Street 36
- Ashbury St 36
- Cow Hollow 36
- Duboce Triangle 36
- Flood Avenue 36
- Kensington Way 36
- Lake & 21st Avenue 36
- Lakeview near Margaret 36
- McLaren Avenue 36
- Outer Sunset-2340 42nd Ave 36
- Silver Terrace 36
- Sunnyside 36
- Sunnyside 2 36
- Vicksburg Street 36
- 12th Ave 37
- 19 St Charles Avenue 37
- 2318 Fillmore Street 37
- 2635 16th Avenue 37
- 28th Street at Diamond (Outside) 37
- 512 College Avenue 37
- 662 Cayuga Ave 37
- 884 Silver Avenue 37
- Chenery St 500 block 37
- Mountain Lake Park 37
- Pacific Primary 37
- 15th and Castro St. 38
- Bay Street 38
- Bernal Heights 2 38
- Grand View Avenue 38
- Mid Liberty Street 38
- Mississippi Street 38
- Pacific Heights-GEOHealth_VMT_Basadre 38
- Pioneer Park 38
- SF Maritime NHP 38
- Staples Avenue 38
- Telegraph Hill 38
- Valley Street 38
- 3801 21st Street 39
- 4066 23rd Street 39
- 575 Magellan Avenue 39
- California Tennis Club 1770 Scott 39
- Churchill Park 39
- Cole Valley 39
- Diamond Street & Conrad Street 39
- Filbert Street 39
- Golden Gate Height 39
- Highland Avenue 39
- House Guerrero 39
- Inner Sunset 39
- Mission District 39
- Mojave Street 39
- Sunnyside St 39
- Walter Street 39
- 1741-1701 Mason St 40
- Bernal Heights 40
- De Haro Blvd 40
- Edgehill Open Space Park 40
- Gladys Street 40
- Hazelwood at Mangels 40
- Ingleside 40
- 215 Connecticut St 41
- 35 Keyes Ave 41
- Bryant & 26h Street Intersection 41
- Lombard Street 41
- Santa Rosa Avenue 41
- Scott Street 41
- 150 Parker Ave. 42
- 1770 McKinnon Avenue 42
- 18thAve/TaravalUlloa 42
- 607 Andover Street 42
- Anza Vista-the_balbs 42
- Church Street & Liberty Street 42
- Mission District & Osage Street 42
- Southern Heights Avenue 42
- Tennessee Street 42
- Tompkins Avenue 42
- Molimo Drive 43
- Noe Street 2 43
- Pacific Heights 2 43
- Ripley Street 43
- West of Twin Peaks 2 43
- 427 Kirkham Street 44
- 6th and Hugo Street 44
- CesarChavezDolores 44
- Jersey and Vicksberg II 44
- South Beach Marina Apartments 44
- Buchanan and Broadway 46
- Noe Valley 2 46
- 29th Ave and Judah 47
- Illinois Street 47
- Polk Gulch 47
- 15th and Noe Street 48
- 188 S Park St 49
- Bernal Street 52
- India Basin 52
- Parkmerced-SFSU Bay Conference Center 52
- Rincon Hill 52
- Baker Beach 53
- Mission District 2 53
- Park Hill Avenue 53
- St Helena Cooperative Nursery School 53
- Potrero Hill 2 57
- 3398 Baker Street 58
- Quarry Road 61
- Downey Street 62
- Safer Together/Bernal 64
- Shore View Ave 73
- 1414 Washington Boulevard 87
- 23rd Street & 3rd Street 90
- Brannan St 212
AQI US, Metric