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Air quality near 4031 21st Street, San Francisco
Air quality index (AQI) and PM2.5 air pollution near 4031 21st Street, San Francisco
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Air Quality Map
Real-time 4031 21st Street air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in 4031 21st Street today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 4031 21st Street, San Francisco?
| Weather | Scattered clouds |
| Temperature | 59°F |
| Humidity | 73% |
| Wind | 19.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coachella, California | 131 |
| 2 | Georgetown, Texas | 122 |
| 3 | Austin, Texas | 118 |
| 4 | Midlothian, Texas | 116 |
| 5 | Fort Worth, Texas | 114 |
| 6 | Leander, Texas | 113 |
| 7 | Round Rock, Texas | 112 |
| 8 | Dallas, Texas | 110 |
| 9 | Lewisville, Texas | 107 |
| 10 | Boerne, Texas | 104 |
(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 | 64 |
| 2 | Downey Street | 55 |
| 3 | Sunset Co-op Nursery School | 54 |
| 4 | Safer Together/Bernal | 53 |
| 5 | 3398 Baker Street | 49 |
| 6 | 23rd Street & 3rd Street | 48 |
| 7 | Mission District 2 | 47 |
| 8 | Baker Beach | 46 |
| 9 | Moraga Street | 33 |
| 10 | Bernal Street | 32 |
(local time)
SEE WORLD AQI RANKING
US AQI
1
live AQI index
Good
Overview
What is the current air quality near 4031 21st Street, San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 1 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 0.3µg/m³ | |
Health Recommendations
What is the current air quality near 4031 21st Street, San Francisco?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
4031 21st Street, San Francisco air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 22 | Good 6 AQI US | |||
| Thursday, May 23 | Good 6 AQI US | |||
| Friday, May 24 | Good 2 AQI US | |||
| Today | Good 1 AQI US | | 59° 48.2° |  15.7 mp/h |
| Sunday, May 26 | Good 26 AQI US |  | 57.2° 48.2° | 11.2 mp/h |
| Monday, May 27 | Good 48 AQI US | | 57.2° 48.2° | 13.4 mp/h |
| Tuesday, May 28 | Moderate 61 AQI US  | | 55.4° 50° | 15.7 mp/h |
| Wednesday, May 29 | Moderate 63 AQI US | | 57.2° 50° | 13.4 mp/h |
| Thursday, May 30 | Good 49 AQI US | | 59° 50° | 11.2 mp/h |
| Friday, May 31 | Good 32 AQI US | | 60.8° 48.2° | 13.4 mp/h |
| Saturday, Jun 1 | Good 34 AQI US | | 57.2° 50° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
4031 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
- Financial District 1
- Grenard Terrace 1
- Mendell & La Salle Ave 1
- Outer Sunset 40th & Irving 1
- Castro Duncan Open Space 2
- Mid The Page Street 2
- Greenwich and Laguna 4
- Presidio Heights 4
- Potrero Hill 18th & Mississippi 6
- 2899 Vallejo Street 8
- Pine Street & California Street 8
- Rivoli Street 8
- Upper Elsie Coyotes 8
- Potomac Street 9
- West of Twin Peaks 9
- 847-815 Chenery St 10
- Golden Gate 10
- Hidden Garden Steps 10
- Ingleside Terraces 10
- States Street 10
- Mount Davidson Manor 11
- The Little School 12
- Upper Shrader Cole Valley 12
- Clayton St 13
- Sait Germain Avenue 13
- Warren Lex World Headquarters 13
- 4181 26th Street 14
- Espirit Park Roof 14
- Hill House 14
- Pacific Avenue 14
- 333 Diamond Street 15
- California College of The Arts 15
- Cortland Avenue 15
- LH Webster 15
- 10th and Fulton Deck 16
- Baker St 16
- Balboa Street 16
- Green Street 16
- McAllister Street 16
- Shipley Street 16
- 34th Avenue & Cabrillo Street 17
- 351 Magellan Ave 17
- California Street 17
- Cameo Way 17
- Dolores and 28th 17
- Lakeview near Margaret 17
- Maynard Street 2 17
- McAllister 17
- Mission Bernal Hospital 17
- Parkmerced 17
- Russian Hill Leavenworth 17
- Valencia Street 17
- Visitacion Valley 17
- 16 Seal Rock Dr 18
- 181-47 Dalewood Way 18
- 4010 Eureka Valley 18
- 5235 Diamond Heights Boulevard 18
- CEEP at Star 18
- Cumberland Street 18
- Greenwich 18
- Mountain Lake Park 18
- Noe Valley 18
- San Jose Ave and Ocean Ave 18
- Stanyan Street 18
- Sunnyside Elementary School 18
- 12th Ave 19
- 141 6th Avenue 19
- Broadway between Hyde and Larkin 19
- Clement Street 19
- Congo Street 19
- Cow Hollow 19
- Jackson & Walnut 19
- Kirkham Street 19
- Laguna Street 19
- Miraloma Park O'Shaughnessy 19
- Pacheco Street 19
- Sunnyside 2 19
- Tank Hill 19
- 29th Avenue 20
- 32nd Avenue 20
- 8th and Kirkham 20
- Capp Street Garden 20
- Chenery St 500 block 20
- Forest Side 20
- Oakdale Avenue 20
- Quarry Road 20
- Sea Cliff 20
- 116 Marietta Drive 21
- 1448 Plymouth Avenue 21
- 1741-1701 Mason St 21
- 4078 Cesar Chavez 21
- 884 Silver Avenue 21
- Banks Street 21
- Capitol Avenue 21
- Inner Sunset 21
- James Lick 21
- Lippard Avenue 21
- Mississippi Street 21
- 144 Funston Avenue 22
- 313 Shotwell Street 22
- 4362 24th Street 22
- 512 College Avenue 22
- 540 Victoria Street 22
- 662 Cayuga Ave 22
- Alcatraz Dock 22
- Diamond Street & Conrad Street 22
- Edgehill Open Space Park 22
- Filbert Street 22
- Grand View Avenue 22
- Hazelwood at Mangels 22
- Pacific Primary 22
- Sanchez Street 22
- Silver Terrace 22
- Valley Street 22
- Walter Street 22
- 19 St Charles Avenue 23
- 215 Connecticut St 23
- 2318 Fillmore Street 23
- 2635 16th Avenue 23
- 300 block Russia 23
- 3801 21st Street 23
- 915 Cayuga Ave 23
- Brannan St 23
- Bryant & 26h Street Intersection 23
- Church Street & Liberty Street 23
- Cole Valley 23
- De Haro Blvd 23
- Dolphin Club 23
- Flood Avenue 23
- Gladys Street 23
- Haight Street 23
- Kensington Way 23
- Lombard Street 23
- Mojave Street 23
- Noe Street 2 23
- Pioneer Park 23
- Richland near Leese 23
- SF Maritime NHP 23
- St Helena Cooperative Nursery School 23
- Staples Avenue 23
- Sunnyside 23
- Vicksburg Street 23
- 100 Block Andover 24
- 1770 McKinnon Avenue 24
- 4066 23rd Street 24
- 491 Corbett Avenue 24
- California Tennis Club 1770 Scott 24
- Hickory Street 24
- McLaren Avenue 24
- Mid Liberty Street 24
- Portola Street 24
- Quintara Street 2 24
- Tiffany Avenue 24
- 15th and Castro St. 25
- 21st & Balboa 25
- 28th Street at Diamond (Outside) 25
- 35 Keyes Ave 25
- 575 Magellan Avenue 25
- Anza Street 25
- Anza Vista-the_balbs 25
- Castenada Avenue 25
- Churchill Park 25
- Lakeshore 25
- Mission District 25
- Molimo Drive 25
- Nob Hill 25
- Pacific Heights 2 25
- Pacific Heights-GEOHealth_VMT_Basadre 25
- Page Street 25
- Parkmerced-SFSU Bay Conference Center 25
- Rincon Hill 25
- Roosevelt Way 25
- Santa Rosa Avenue 25
- Scott Street 25
- Sunnyside St 25
- Telegraph Hill 25
- Tompkins Avenue 25
- 188 S Park St 26
- 427 Kirkham Street 26
- Golden Gate Height 26
- Outer Sunset 4 26
- South Beach Marina Apartments 26
- Tennessee Street 26
- 18thAve/TaravalUlloa 27
- 29th Ave and Judah 27
- Highland Avenue 27
- India Basin 27
- Mission District & Osage Street 27
- West of Twin Peaks 2 27
- 4256 22nd Street 28
- 607 Andover Street 28
- Illinois Street 28
- Potrero Hill 2 28
- Russ Street 1 28
- 150 Parker Ave. 29
- CesarChavezDolores 29
- Duboce Triangle 29
- Noe Valley 2 29
- Outer Sunset-2340 42nd Ave 29
- Pine Street 29
- Ripley Street 29
- 6th and Hugo Street 30
- Bernal Heights 30
- Jersey and Vicksberg II 30
- 15th and Noe Street 31
- Buchanan and Broadway 31
- Park Hill Avenue 31
- Bernal Street 32
- House Guerrero 32
- Moraga Street 33
- Baker Beach 46
- Mission District 2 47
- 23rd Street & 3rd Street 48
- 3398 Baker Street 49
- Safer Together/Bernal 53
- Sunset Co-op Nursery School 54
- Downey Street 55
- Shore View Ave 64
AQI US, Metric