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Air quality near 3801 21st Street, San Francisco
Air quality index (AQI) and PM2.5 air pollution near 3801 21st Street, San Francisco
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Air Quality Map
Real-time 3801 21st Street air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in 3801 21st Street today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 3801 21st Street, San Francisco?
| Weather | Few clouds |
| Temperature | 51.8°F |
| Humidity | 86% |
| Wind | 13.8 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 88 |
| 2 | Claremont, California | 86 |
| 3 | Corpus Christi, Texas | 84 |
| 4 | Redlands, California | 83 |
| 5 | Pasadena, California | 81 |
| 6 | San Bernardino, California | 80 |
| 7 | San Fernando, California | 80 |
| 8 | Glendale, California | 78 |
| 9 | Glendora, California | 78 |
| 10 | Mount Lebanon, Pennsylvania | 78 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time San Francisco air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Shore View Ave | 95 |
| 2 | Baker Beach | 57 |
| 3 | 3398 Baker Street | 56 |
| 4 | Potrero Hill 2 | 56 |
| 5 | Safer Together/Bernal | 56 |
| 6 | Downey Street | 53 |
| 7 | Park Hill Avenue | 49 |
| 8 | Anza Street | 47 |
| 9 | Outer Sunset 4 | 47 |
| 10 | Outer Sunset-2340 42nd Ave | 46 |
(local time)
SEE WORLD AQI RANKING
US AQI
34
live AQI index
Good
Overview
What is the current air quality near 3801 21st Street, San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.3µg/m³ | |
Health Recommendations
What is the current air quality near 3801 21st Street, San Francisco?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
3801 21st Street, San Francisco air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 38 AQI US | |||
| Thursday, May 30 | Good 37 AQI US | |||
| Friday, May 31 | Good 36 AQI US | |||
| Today | Good 34 AQI US |  | 59° 51.8° |  20.1 mp/h |
| Sunday, Jun 2 | Good 32 AQI US |  | 60.8° 51.8° | 20.1 mp/h |
| Monday, Jun 3 | Good 17 AQI US | | 60.8° 53.6° | 15.7 mp/h |
| Tuesday, Jun 4 | Good 33 AQI US |  | 69.8° 53.6° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 61 AQI US  | | 66.2° 53.6° | 11.2 mp/h |
| Thursday, Jun 6 | Good 35 AQI US | | 59° 51.8° | 13.4 mp/h |
| Friday, Jun 7 | Good 22 AQI US | | 59° 51.8° | 20.1 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
3801 21st Street air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Francisco?
- 35th & Moraga 1
- Presidio Heights 2
- 121 Day Street 4
- Potrero Hill 18th & Mississippi 5
- Mid 25th Street 7
- 1728 Diamond Street 10
- Chenery St 10
- Garfield Street 10
- The Little School 10
- Cortland Avenue 11
- Mission District - San Jose Avenue 12
- 23rd Street & 3rd Street 13
- 4181 26th Street 13
- Lippard Avenue 13
- Mendell & La Salle Ave 13
- Pine Street & California Street 13
- Western Addition 13
- Pine Street 14
- Ingleside Terraces 15
- 4031 21st Street 16
- Financial District 16
- Grenard Terrace 16
- Hudson Avenue 16
- Maynard Street 2 16
- McAllister Street 16
- Mid The Page Street 16
- Mission Bernal Hospital 16
- Mount Davidson Manor 16
- Dolores and 28th 17
- LH Webster 17
- Potomac Street 17
- Twin Peaks 17
- 847-815 Chenery St 18
- Golden Gate 18
- Balboa Street 19
- California College of The Arts 19
- Castro Duncan Open Space 19
- Greenwich and Laguna 19
- Outer Sunset 40th & Irving 19
- Upper Elsie Coyotes 19
- Mountain Lake Park 20
- Pacific Avenue 20
- Parkmerced 20
- Rivoli Street 20
- West of Twin Peaks 20
- Capitol Avenue 21
- Inner Sunset 21
- Shipley Street 21
- Espirit Park Roof 22
- Stanyan Street 22
- States Street 22
- Greenwich Street 23
- Lakeview near Margaret 23
- 16 Seal Rock Dr 24
- 5235 Diamond Heights Boulevard 24
- Clement Street 24
- Congo Street 24
- Duboce Triangle 24
- Sait Germain Avenue 24
- Sunnyside Elementary School 24
- 28th Street at Diamond (Outside) 25
- 34th Avenue & Cabrillo Street 25
- Hickory Street 25
- Laguna Street 25
- McAllister 25
- Mississippi Street 25
- Visitacion Valley 25
- 351 Magellan Ave 26
- Green Street 26
- Richland near Leese 26
- San Jose Ave and Ocean Ave 26
- 313 Shotwell Street 27
- 4010 Eureka Valley 27
- CEEP at Star 27
- Cumberland Street 27
- Inner Sunset 2 27
- Vicksburg Street 27
- 116 Marietta Drive 28
- 2635 16th Avenue 28
- 662 Cayuga Ave 28
- 884 Silver Avenue 28
- Baker St 28
- Banks Street 28
- Cameo Way 28
- Kirkham Street 28
- Pioneer Park 28
- 32nd Avenue 29
- 4362 24th Street 29
- 491 Corbett Avenue 29
- 915 Cayuga Ave 29
- Broadway between Hyde and Larkin 29
- Chenery St 500 block 29
- Churchill Park 29
- Edgehill Open Space Park 29
- Haight Street 29
- Noe Valley 29
- Oakdale Avenue 29
- Tank Hill 29
- Tennessee Street 29
- Valley Street 29
- 1770 McKinnon Avenue 30
- 181-47 Dalewood Way 30
- 21st & Balboa 30
- 512 College Avenue 30
- Page Street 30
- Quarry Road 30
- Sea Cliff 30
- Silver Terrace 30
- Tiffany Avenue 30
- 144 Funston Avenue 31
- 15th and Castro St. 31
- 4078 Cesar Chavez 31
- California Street 31
- Capp Street Garden 31
- Cole Valley 31
- Forest Side 31
- Portola Street 31
- Sanchez Street 31
- Staples Avenue 31
- Sunnyside 2 31
- 1448 Plymouth Avenue 32
- 215 Connecticut St 32
- 2318 Fillmore Street 32
- 4066 23rd Street 32
- 575 Magellan Avenue 32
- California Tennis Club 1770 Scott 32
- Golden Gate Height 32
- Jackson & Walnut 32
- Mid Liberty Street 32
- Mission District 32
- Mission District & Osage Street 32
- Pacheco Street 32
- Pacific Primary 32
- Walter Street 32
- 12th Ave 33
- 540 Victoria Street 33
- 8th and Kirkham 33
- Ashbury St 33
- Cow Hollow 33
- Hazelwood at Mangels 33
- Molimo Drive 33
- SF Maritime NHP 33
- 29th Avenue 34
- 300 block Russia 34
- 3801 21st Street 34
- Bryant & 26h Street Intersection 34
- CesarChavezDolores 34
- Church Street & Liberty Street 34
- Diamond Street & Conrad Street 34
- Gladys Street 34
- Grand View Avenue 34
- 19 St Charles Avenue 35
- 6th and Hugo Street 35
- De Haro Blvd 35
- Flood Avenue 35
- India Basin 35
- Kensington Way 35
- Sunnyside 35
- Tompkins Avenue 35
- 1741-1701 Mason St 36
- Bernal Heights 36
- Buchanan and Broadway 36
- Lombard Street 36
- McLaren Avenue 36
- Pacific Heights 2 36
- Pacific Heights-GEOHealth_VMT_Basadre 36
- Parkmerced-SFSU Bay Conference Center 36
- Roosevelt Way 36
- Scott Street 36
- Telegraph Hill 36
- West of Twin Peaks 2 36
- 100 Block Andover 37
- 607 Andover Street 37
- Filbert Street 37
- Noe Street 2 37
- Quintara Street 2 37
- Jersey and Vicksberg II 38
- Mojave Street 38
- Sunnyside St 38
- 29th Ave and Judah 39
- 35 Keyes Ave 39
- 4256 22nd Street 39
- 427 Kirkham Street 39
- Anza Vista-the_balbs 39
- Brannan St 39
- Noe Valley 2 39
- Mission District 2 40
- Russ Street 1 40
- South Beach Marina Apartments 40
- 18thAve/TaravalUlloa 41
- Castenada Avenue 41
- Illinois Street 41
- Rincon Hill 41
- Ripley Street 41
- Santa Rosa Avenue 41
- 150 Parker Ave. 42
- 188 S Park St 42
- Miraloma Park O'Shaughnessy 42
- St Helena Cooperative Nursery School 43
- Bernal Street 44
- Lakeshore 44
- Moraga Street 44
- 15th and Noe Street 45
- Outer Sunset-2340 42nd Ave 46
- Anza Street 47
- Outer Sunset 4 47
- Park Hill Avenue 49
- Downey Street 53
- 3398 Baker Street 56
- Potrero Hill 2 56
- Safer Together/Bernal 56
- Baker Beach 57
- Shore View Ave 95
AQI US, Metric