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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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 3801 21st Street, San Francisco?
| Weather | Scattered clouds |
| Temperature | 57.2°F |
| Humidity | 81% |
| Wind | 15 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Cedar Park, Texas | 132 |
| 2 | Georgetown, Texas | 129 |
| 3 | Round Rock, Texas | 122 |
| 4 | Leander, Texas | 121 |
| 5 | Austin, Texas | 119 |
| 6 | Boerne, Texas | 119 |
| 7 | New Braunfels, Texas | 118 |
| 8 | San Antonio, Texas | 118 |
| 9 | Midlothian, Texas | 116 |
| 10 | Lewisville, Texas | 92 |
(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 | 71 |
| 2 | Mission District 2 | 54 |
| 3 | Sunset Co-op Nursery School | 54 |
| 4 | West of Twin Peaks | 48 |
| 5 | Downey Street | 45 |
| 6 | 3398 Baker Street | 44 |
| 7 | Safer Together/Bernal | 42 |
| 8 | 491 Corbett Avenue | 41 |
| 9 | Baker Beach | 40 |
| 10 | Valley Street | 36 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
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 | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.1µg/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 22 | Good 30 AQI US | |||
| Thursday, May 23 | Good 26 AQI US | |||
| Friday, May 24 | Good 7 AQI US | |||
| Today | Good 22 AQI US | | 57.2° 50° |  15.7 mp/h |
| Sunday, May 26 | Good 26 AQI US |  | 59° 48.2° | 11.2 mp/h |
| Monday, May 27 | Good 48 AQI US | | 59° 48.2° | 11.2 mp/h |
| Tuesday, May 28 | Moderate 61 AQI US  | | 57.2° 50° | 13.4 mp/h |
| Wednesday, May 29 | Moderate 61 AQI US | | 59° 50° | 13.4 mp/h |
| Thursday, May 30 | Good 23 AQI US | | 60.8° 50° | 11.2 mp/h |
| Friday, May 31 | Good 19 AQI US | | 60.8° 50° | 13.4 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?
- 1728 Diamond Street 1
- 4031 21st Street 1
- Balboa Street 1
- Castro Duncan Open Space 1
- Financial District 1
- Grenard Terrace 1
- Mendell & La Salle Ave 1
- Mid The Page Street 1
- Mount Davidson Manor 1
- Outer Sunset 40th & Irving 1
- Maynard Street 2 2
- McAllister Street 2
- Mission Bernal Hospital 2
- 847-815 Chenery St 3
- Greenwich and Laguna 3
- Lippard Avenue 4
- Potrero Hill 18th & Mississippi 4
- Upper Elsie Coyotes 4
- Capitol Avenue 5
- Potomac Street 5
- Gambier Street & Burrows Street 7
- Golden Gate 7
- Hill House 7
- Cortland Avenue 8
- Dolores Park 8
- Hidden Garden Steps 8
- Ingleside Terraces 8
- Rivoli Street 8
- States Street 9
- Upper Shrader Cole Valley 9
- 10th and Fulton Deck 10
- 4181 26th Street 10
- Green Street 10
- Pacheco Street 10
- Parkmerced 10
- 16 Seal Rock Dr 11
- Congo Street 11
- Lakeview near Margaret 11
- Pacific Avenue 11
- Warren Lex World Headquarters 11
- 333 Diamond Street 12
- Russian Hill Leavenworth 12
- Stanyan Street 12
- Visitacion Valley 12
- Baker St 13
- Inner Sunset 13
- San Jose Ave and Ocean Ave 13
- 34th Avenue & Cabrillo Street 14
- 351 Magellan Ave 14
- 4010 Eureka Valley 14
- California Street 14
- Clement Street 14
- Highland Avenue 14
- Jackson & Walnut 14
- Pine Street 14
- 181-47 Dalewood Way 15
- 5235 Diamond Heights Boulevard 15
- 662 Cayuga Ave 15
- California College of The Arts 15
- Espirit Park Roof 15
- McAllister 15
- 116 Marietta Drive 16
- 141 6th Avenue 16
- 2635 16th Avenue 16
- 29th Avenue 16
- 540 Victoria Street 16
- Cameo Way 16
- Chenery St 500 block 16
- Cumberland Street 16
- Dolphin Club 16
- Forest Side 16
- Kirkham Street 16
- Laguna Street 16
- Shipley Street 16
- Sunnyside Elementary School 16
- 512 College Avenue 17
- Broadway between Hyde and Larkin 17
- Edgehill Open Space Park 17
- Greenwich 17
- Hickory Street 17
- LH Webster 17
- Noe Valley 17
- Page Street 17
- Sait Germain Avenue 17
- Sea Cliff 17
- Sunnyside 2 17
- 144 Funston Avenue 18
- 2318 Fillmore Street 18
- 884 Silver Avenue 18
- Cow Hollow 18
- Dolores and 28th 18
- Mid Liberty Street 18
- Miraloma Park O'Shaughnessy 18
- Moraga Street 18
- Mountain Lake Park 18
- Pacific Heights-GEOHealth_VMT_Basadre 18
- Quintara Street 2 18
- Tank Hill 18
- The Little School 18
- Valencia Street 18
- Vicksburg Street 18
- 12th Ave 19
- 15th and Castro St. 19
- 1741-1701 Mason St 19
- 21st & Balboa 19
- 4362 24th Street 19
- 8th and Kirkham 19
- Diamond Street & Conrad Street 19
- Flood Avenue 19
- Haight Street 19
- James Lick 19
- Kensington Way 19
- McLaren Avenue 19
- Pacific Primary 19
- Pioneer Park 19
- Quarry Road 19
- 300 block Russia 20
- 313 Shotwell Street 20
- 915 Cayuga Ave 20
- Alcatraz Dock 20
- Banks Street 20
- CEEP at Star 20
- Capp Street Garden 20
- Filbert Street 20
- Gladys Street 20
- Golden Gate Height 20
- Hazelwood at Mangels 20
- Lombard Street 20
- Portola Street 20
- Rincon Hill 20
- SF Maritime NHP 20
- Sanchez Street 20
- Silver Terrace 20
- Telegraph Hill 20
- Tiffany Avenue 20
- Walter Street 20
- 100 Block Andover 21
- 1448 Plymouth Avenue 21
- 4066 23rd Street 21
- 4078 Cesar Chavez 21
- 4256 22nd Street 21
- 575 Magellan Avenue 21
- Anza Vista-the_balbs 21
- Buchanan and Broadway 21
- Lakeshore 21
- Molimo Drive 21
- Noe Street 2 21
- Staples Avenue 21
- Tompkins Avenue 21
- 19 St Charles Avenue 22
- 28th Street at Diamond (Outside) 22
- 32nd Avenue 22
- 3801 21st Street 22
- 427 Kirkham Street 22
- Bryant & 26h Street Intersection 22
- Church Street & Liberty Street 22
- Cole Valley 22
- Mission District 22
- Mississippi Street 22
- Richland near Leese 22
- Tennessee Street 22
- 18thAve/TaravalUlloa 23
- Brannan St 23
- De Haro Blvd 23
- Grand View Avenue 23
- Nob Hill 23
- Oakdale Avenue 23
- West of Twin Peaks 2 23
- 29th Ave and Judah 24
- 607 Andover Street 24
- California Tennis Club 1770 Scott 24
- Castenada Avenue 24
- CesarChavezDolores 24
- Duboce Triangle 24
- Pacific Heights 2 24
- Potrero Hill 2 24
- Roosevelt Way 24
- Russ Street 1 24
- Santa Rosa Avenue 24
- Scott Street 24
- South Beach Marina Apartments 24
- Sunnyside 24
- Anza Street 25
- House Guerrero 25
- Mojave Street 25
- Sunnyside St 25
- 188 S Park St 26
- 215 Connecticut St 26
- 35 Keyes Ave 26
- India Basin 26
- Mission District & Osage Street 26
- Outer Sunset-2340 42nd Ave 26
- Parkmerced-SFSU Bay Conference Center 26
- 150 Parker Ave. 27
- 1770 McKinnon Avenue 27
- Illinois Street 27
- Jersey and Vicksberg II 27
- Noe Valley 2 27
- Park Hill Avenue 28
- Ripley Street 28
- 23rd Street & 3rd Street 29
- 6th and Hugo Street 29
- Outer Sunset 4 29
- 15th and Noe Street 30
- St Helena Cooperative Nursery School 30
- Bernal Heights 31
- Bernal Street 31
- Churchill Park 31
- Valley Street 36
- Baker Beach 40
- 491 Corbett Avenue 41
- Safer Together/Bernal 42
- 3398 Baker Street 44
- Downey Street 45
- West of Twin Peaks 48
- Mission District 2 54
- Sunset Co-op Nursery School 54
- Shore View Ave 71
AQI US, Metric