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Air quality in San Francisco
Air quality index (AQI) and PM2.5 air pollution in San Francisco
625.7K people follow this city
San Francisco Air Quality Map
Real-time San Francisco air pollution map
AIR QUALITY DATA CONTRIBUTORS
221 Contributors
See all
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 | 80.6°F |
| Humidity | 49% |
| Wind | 13.8 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boise, Idaho | 211 |
| 2 | Nampa, Idaho | 210 |
| 3 | Burns, Oregon | 208 |
| 4 | Grants Pass, Oregon | 160 |
| 5 | Eagle Point, Oregon | 148 |
| 6 | Central Point, Oregon | 145 |
| 7 | Medford, Oregon | 141 |
| 8 | Rogue River, Oregon | 138 |
| 9 | Tulelake, California | 134 |
| 10 | Centennial, Colorado | 127 |
(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 | 23rd Street & 3rd Street | 102 |
| 2 | 1414 Washington Boulevard | 95 |
| 3 | St Helena Cooperative Nursery School | 56 |
| 4 | Baker Beach | 52 |
| 5 | Ingleside | 51 |
| 6 | 29th Ave and Judah | 49 |
| 7 | Mission District 2 | 46 |
| 8 | Buchanan and Broadway | 44 |
| 9 | 15th and Noe Street | 43 |
| 10 | Quarry Road | 43 |
(local time)
SEE WORLD AQI RANKING
US AQI
29
live AQI index
Good
Overview
What is the current air quality in San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 29 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.3µg/m³ | |
| O3 | 42µg/m³ | |
| NO2 | 7.7µg/m³ | |
| CO | 343.5µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in San Francisco is currently 1.1 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 |
|---|---|---|---|---|
| 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 23 AQI US | | 80.6° 59° | 8.9 mp/h |
| Today | Good 29 AQI US | | 80.6° 59° | 8.9 mp/h |
| Wednesday, Jul 24 | Moderate 61 AQI US  |  | 71.6° 60.8° | 13.4 mp/h |
| Thursday, Jul 25 | Moderate 54 AQI US | | 68° 55.4° | 11.2 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° | 15.7 mp/h |
| Sunday, Jul 28 | Moderate 62 AQI US | | 62.6° 55.4° | 13.4 mp/h |
| Monday, Jul 29 | Moderate 57 AQI US | | 64.4° 55.4° | 11.2 mp/h |
| Tuesday, Jul 30 | Good 45 AQI US | | 64.4° 55.4° | 13.4 mp/h |
Interested in hourly forecast? Get the app
How to best protect from air pollution?
San Francisco air quality data attribution
221Contributors
- 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
213 Anonymous contributors213 stations
213 Anonymous Contributors
5 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Francisco?
- Garfield Street 1
- Moraga Street 1
- Western Addition 1
- 121 Day Street 3
- Chenery St 4
- Mendell & La Salle Ave 4
- Waller Street 4
- Lake Street 5
- 2899 Vallejo Street 7
- Grenard Terrace 7
- Outer Sunset 40th & Irving 7
- Mission District - San Jose Avenue 8
- 44 Fifth Avenue 9
- Parkmerced 9
- Presidio Heights 9
- 1250 Ellis Street 11
- Clayton St 11
- Taraval Street 17th Avenue 11
- 4031 21st Street 12
- Hidden Garden Steps 12
- Castro Duncan Open Space 13
- Greenwich and Laguna 13
- Mid The Page Street 13
- Upper Elsie Coyotes 14
- Financial District 15
- Rivoli Street 15
- Ingleside Terraces 16
- West of Twin Peaks 16
- El Sereno Court 17
- Golden Gate 17
- Martha Avenue 17
- Potrero Hill 18th & Mississippi 17
- States Street 17
- Upper Shrader Cole Valley 17
- 1728 Diamond Street 18
- 18th and Rhode Island Permaculture Garden 18
- Cortland Avenue 18
- Burlwood Drive 21
- LH Webster 21
- Miraloma Park O'Shaughnessy 21
- Pacific Avenue 21
- 24th Street 22
- 3398 Baker Street 22
- Capitol Avenue 22
- Hill House 22
- Page Street 22
- San Jose Ave and Ocean Ave 22
- California College of The Arts 23
- Gambier Street & Burrows Street 23
- Greenwich 23
- The Little School 23
- 16 Seal Rock Dr 24
- 333 Diamond Street 24
- Lippard Avenue 24
- Shipley Street 24
- 181-47 Dalewood Way 25
- 29th Avenue 25
- 662 Cayuga Ave 25
- Balboa Street 25
- Broadway between Hyde and Larkin 25
- Oakdale Avenue 25
- Pacheco Street 25
- 10th and Fulton Deck 26
- 12th Ave 26
- 4010 Eureka Valley 26
- 4362 24th Street 26
- 847-815 Chenery St 26
- Congo Street 26
- Cow Hollow 26
- Jackson & Walnut 26
- McAllister 26
- Pacific Primary 26
- Sait Germain Avenue 26
- Sunnyside 2 26
- Sunnyside Elementary School 26
- 116 Marietta Drive 27
- 19 St Charles Avenue 27
- 512 College Avenue 27
- 5235 Diamond Heights Boulevard 27
- Banks Street 27
- California Street 27
- Espirit Park Roof 27
- Green Street 27
- James Lick 27
- Kensington Way 27
- Noe Valley 27
- Pine Street & California Street 27
- Portola Street 27
- Richland near Leese 27
- 141 6th Avenue 28
- 144 Funston Avenue 28
- 34th Avenue & Cabrillo Street 28
- Anza Vista-the_balbs 28
- Baker St 28
- Chenery St 500 block 28
- Clement Street 28
- Cole Valley 28
- Dolores and 28th 28
- Duboce Triangle 28
- Flood Avenue 28
- Gladys Street 28
- Hickory Street 28
- Lakeview near Margaret 28
- McAllister Street 28
- Pine Street 28
- Silver Terrace 28
- 1448 Plymouth Avenue 29
- 150 Parker Ave. 29
- 1741-1701 Mason St 29
- 540 Victoria Street 29
- 884 Silver Avenue 29
- 915 Cayuga Ave 29
- Ashbury St 29
- CEEP at Star 29
- California Tennis Club 1770 Scott 29
- Capp Street Garden 29
- Dolphin Club 29
- Forest Side 29
- Kirkham Street 29
- Lakeshore 29
- Stanyan Street 29
- Sunnyside 29
- Tompkins Avenue 29
- Valencia Street 29
- 8th and Kirkham 30
- Bernal Heights 2 30
- Cameo Way 30
- Cumberland Street 30
- Mid Liberty Street 30
- Mission Bernal Hospital 30
- Mojave Street 30
- Quintara Street 2 30
- Sea Cliff 30
- 15th and Castro St. 31
- 2635 16th Avenue 31
- 491 Corbett Avenue 31
- Anza Street 31
- Diamond Street & Conrad Street 31
- Edgehill Open Space Park 31
- Highland Avenue 31
- Inner Sunset 31
- Laguna Street 31
- Lombard Street 31
- Polk Gulch 31
- SF Maritime NHP 31
- Staples Avenue 31
- 1770 McKinnon Avenue 32
- 2318 Fillmore Street 32
- CesarChavezDolores 32
- Grand View Avenue 32
- Hazelwood at Mangels 32
- Lake & 21st Avenue 32
- McLaren Avenue 32
- Mission District 32
- Outer Sunset-2340 42nd Ave 32
- Pioneer Park 32
- Santa Rosa Avenue 32
- Sunnyside St 32
- Telegraph Hill 32
- Walter Street 32
- 18thAve/TaravalUlloa 33
- 3801 21st Street 33
- 575 Magellan Avenue 33
- 607 Andover Street 33
- Bernal Heights 33
- Churchill Park 33
- Downey Street 33
- Filbert Street 33
- Golden Gate Height 33
- Mountain Lake Park 33
- Pacific Heights-GEOHealth_VMT_Basadre 33
- Valley Street 33
- Vicksburg Street 33
- 21st & Balboa 34
- 35 Keyes Ave 34
- 4066 23rd Street 34
- Bay Street 34
- Church Street & Liberty Street 34
- De Haro Blvd 34
- Outer Sunset 4 34
- Potrero Hill 2 34
- Southern Heights Avenue 34
- Tennessee Street 34
- West of Twin Peaks 2 34
- 313 Shotwell Street 35
- 427 Kirkham Street 35
- Jersey and Vicksberg II 35
- 215 Connecticut St 36
- India Basin 36
- Mission District & Osage Street 36
- Mississippi Street 36
- Molimo Drive 36
- Noe Street 2 36
- Noe Valley 2 36
- Parkmerced-SFSU Bay Conference Center 36
- 188 S Park St 37
- 28th Street at Diamond (Outside) 37
- Roosevelt Way 37
- South Beach Marina Apartments 37
- Bryant & 26h Street Intersection 38
- Illinois Street 38
- Ripley Street 38
- Scott Street 38
- Safer Together/Bernal 39
- Shore View Ave 39
- Bernal Street 40
- 6th and Hugo Street 41
- Park Hill Avenue 41
- Pacific Heights 2 42
- Rincon Hill 42
- 15th and Noe Street 43
- Quarry Road 43
- Buchanan and Broadway 44
- Mission District 2 46
- 29th Ave and Judah 49
- Ingleside 51
- Baker Beach 52
- St Helena Cooperative Nursery School 56
- 1414 Washington Boulevard 95
- 23rd Street & 3rd Street 102
AQI US, Metric