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Air quality in San Francisco
Air quality index (AQI) and PM2.5 air pollution in San Francisco
625.5K people follow this city
San Francisco Air Quality Map
Real-time San Francisco air pollution map
AIR QUALITY DATA CONTRIBUTORS
218 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 | 69.8°F |
| Humidity | 71% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Burns, Oregon | 242 |
| 2 | Nampa, Idaho | 217 |
| 3 | Tulelake, California | 158 |
| 4 | Boise, Idaho | 157 |
| 5 | Klamath Falls, Oregon | 152 |
| 6 | Klamath, Oregon | 150 |
| 7 | Kalispell, Montana | 116 |
| 8 | Weed, California | 116 |
| 9 | Libby, Montana | 112 |
| 10 | Polson, Montana | 112 |
(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 | Shore View Ave | 166 |
| 2 | Brannan St | 121 |
| 3 | 1414 Washington Boulevard | 90 |
| 4 | 23rd Street & 3rd Street | 87 |
| 5 | Quarry Road | 63 |
| 6 | Bay Street | 57 |
| 7 | St Helena Cooperative Nursery School | 53 |
| 8 | Mission District 2 | 52 |
| 9 | Rincon Hill | 51 |
| 10 | India Basin | 46 |
(local time)
SEE WORLD AQI RANKING
US AQI
24
live AQI index
Good
Overview
What is the current air quality in San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.3µg/m³ | |
| O3 | 24µg/m³ | |
| NO2 | 13.9µg/m³ | |
| CO | 343.5µg/m³ | |
✓
PM2.5 concentration in San Francisco air currently meets 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 |
|---|---|---|---|---|
| Saturday, Jul 20 | Good 16 AQI US |  | 66.2° 55.4° |  11.2 mp/h |
| Sunday, Jul 21 | Good 29 AQI US | | 75.2° 53.6° | 8.9 mp/h |
| Monday, Jul 22 | Good 21 AQI US | | 71.6° 59° | 11.2 mp/h |
| Today | Good 24 AQI US | | 71.6° 59° | 11.2 mp/h |
| Wednesday, Jul 24 | Moderate 61 AQI US  |  | 71.6° 60.8° | 11.2 mp/h |
| Thursday, Jul 25 | Moderate 53 AQI US | | 69.8° 55.4° | 8.9 mp/h |
| Friday, Jul 26 | Good 24 AQI US | | 60.8° 53.6° | 13.4 mp/h |
| Saturday, Jul 27 | Good 29 AQI US | | 60.8° 55.4° | 13.4 mp/h |
| Sunday, Jul 28 | Moderate 68 AQI US | | 62.6° 55.4° | 11.2 mp/h |
| Monday, Jul 29 | Moderate 62 AQI US | | 64.4° 57.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
San Francisco air quality data attribution
218Contributors
- 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
210 Anonymous contributors210 stations
210 Anonymous Contributors
5 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Francisco?
- Moraga Street 1
- Hidden Garden Steps 3
- Balboa Street 4
- Garfield Street 4
- McAllister Street 4
- Mid The Page Street 4
- Outer Sunset 40th & Irving 4
- Pine Street & California Street 4
- Western Addition 4
- Cortland Avenue 6
- Presidio Heights 6
- 4031 21st Street 7
- Chenery St 7
- Greenwich 7
- Grenard Terrace 7
- Lippard Avenue 7
- Mission District - San Jose Avenue 7
- Parkmerced 7
- Pine Street 7
- Waller Street 7
- 16 Seal Rock Dr 8
- 18th and Rhode Island Permaculture Garden 8
- Castro Duncan Open Space 8
- 34th Avenue & Cabrillo Street 9
- California Tennis Club 1770 Scott 9
- Martha Avenue 9
- Page Street 9
- 10th and Fulton Deck 10
- Capitol Avenue 10
- Dolores Park 10
- Greenwich and Laguna 10
- Mission Bernal Hospital 10
- Upper Elsie Coyotes 10
- Upper Shrader Cole Valley 10
- 24th Street 11
- 35th & Moraga 11
- Central Sunset Noriega 11
- Pacheco Street 11
- Rivoli Street 11
- Ingleside Terraces 12
- West of Twin Peaks 12
- 333 Diamond Street 13
- 847-815 Chenery St 13
- Congo Street 13
- Gambier Street & Burrows Street 13
- Mendell & La Salle Ave 13
- Pacific Avenue 13
- San Jose Ave and Ocean Ave 13
- States Street 13
- Golden Gate 14
- Green Street 14
- Sea Cliff 14
- Dolphin Club 15
- 29th Avenue 16
- Clement Street 16
- Lake & 21st Avenue 17
- 2635 16th Avenue 18
- Anza Street 18
- Forest Side 18
- Quintara Street 2 18
- Stanyan Street 18
- 141 6th Avenue 19
- 2318 Fillmore Street 19
- Bernal Heights 2 19
- Burlwood Drive 19
- CEEP at Star 19
- California Street 19
- Edgehill Open Space Park 19
- Lakeview near Margaret 19
- Pacific Primary 19
- Portola Street 19
- Sunnyside 2 19
- 144 Funston Avenue 20
- 1728 Diamond Street 20
- Cow Hollow 20
- Outer Sunset 4 20
- 4010 Eureka Valley 21
- 662 Cayuga Ave 21
- Duboce Triangle 21
- Financial District 21
- Hickory Street 21
- James Lick 21
- Kirkham Street 21
- McAllister 21
- McLaren Avenue 21
- Outer Sunset-2340 42nd Ave 21
- Potrero Hill 2 21
- 116 Marietta Drive 22
- 121 Day Street 22
- 21st & Balboa 22
- 3398 Baker Street 22
- 512 College Avenue 22
- 915 Cayuga Ave 22
- California College of The Arts 22
- Chenery St 500 block 22
- Richland near Leese 22
- Shipley Street 22
- Walter Street 22
- 181-47 Dalewood Way 23
- Ashbury St 23
- Baker St 23
- Kensington Way 23
- Laguna Street 23
- Staples Avenue 23
- 1448 Plymouth Avenue 24
- Cameo Way 24
- Cumberland Street 24
- Miraloma Park O'Shaughnessy 24
- Pacific Heights-GEOHealth_VMT_Basadre 24
- SF Maritime NHP 24
- Sunnyside Elementary School 24
- West of Twin Peaks 2 24
- Espirit Park Roof 25
- LH Webster 25
- Lakeshore 25
- Noe Valley 25
- Vicksburg Street 25
- 15th and Castro St. 26
- CesarChavezDolores 26
- Flood Avenue 26
- Gladys Street 26
- Highland Avenue 26
- Jackson & Walnut 26
- Mountain Lake Park 26
- Tompkins Avenue 26
- 19 St Charles Avenue 27
- 215 Connecticut St 27
- 313 Shotwell Street 27
- 427 Kirkham Street 27
- 884 Silver Avenue 27
- 8th and Kirkham 27
- Ingleside 27
- Mid Liberty Street 27
- Valley Street 27
- 150 Parker Ave. 28
- 35 Keyes Ave 28
- 5235 Diamond Heights Boulevard 28
- 540 Victoria Street 28
- Anza Vista-the_balbs 28
- Cole Valley 28
- Filbert Street 28
- Golden Gate Height 28
- Inner Sunset 28
- Mission District 28
- Mississippi Street 28
- Potrero Hill 18th & Mississippi 28
- Valencia Street 28
- 18thAve/TaravalUlloa 29
- 491 Corbett Avenue 29
- 575 Magellan Avenue 29
- Lombard Street 29
- Mojave Street 29
- Oakdale Avenue 29
- 12th Ave 30
- 3801 21st Street 30
- Diamond Street & Conrad Street 30
- Grand View Avenue 30
- 29th Ave and Judah 31
- 607 Andover Street 31
- Banks Street 31
- Dolores and 28th 31
- Silver Terrace 31
- 1741-1701 Mason St 32
- 4362 24th Street 32
- Capp Street Garden 32
- Churchill Park 32
- Mission District & Osage Street 32
- Noe Valley 2 32
- Roosevelt Way 32
- Santa Rosa Avenue 32
- Scott Street 32
- Sunnyside 32
- Sunnyside St 32
- 4066 23rd Street 33
- Broadway between Hyde and Larkin 33
- Downey Street 33
- Hazelwood at Mangels 33
- Noe Street 2 33
- Pioneer Park 33
- 28th Street at Diamond (Outside) 34
- 6th and Hugo Street 34
- Buchanan and Broadway 34
- Church Street & Liberty Street 35
- Bernal Heights 36
- Park Hill Avenue 36
- Polk Gulch 36
- 15th and Noe Street 37
- Bryant & 26h Street Intersection 37
- Pacific Heights 2 37
- Southern Heights Avenue 37
- Telegraph Hill 37
- Tennessee Street 37
- 188 S Park St 38
- Sait Germain Avenue 38
- South Beach Marina Apartments 38
- Bernal Street 39
- De Haro Blvd 39
- House Guerrero 39
- Molimo Drive 39
- Ripley Street 39
- Safer Together/Bernal 39
- The Little School 39
- Parkmerced-SFSU Bay Conference Center 41
- Baker Beach 42
- Illinois Street 42
- Jersey and Vicksberg II 43
- 1770 McKinnon Avenue 45
- India Basin 46
- Rincon Hill 51
- Mission District 2 52
- St Helena Cooperative Nursery School 53
- Bay Street 57
- Quarry Road 63
- 23rd Street & 3rd Street 87
- 1414 Washington Boulevard 90
- Brannan St 121
- Shore View Ave 166
AQI US, Metric