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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 | Broken clouds |
| Temperature | 50°F |
| Humidity | 93% |
| Wind | 10 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 177 |
| 2 | Mecca, California | 101 |
| 3 | Coachella, California | 97 |
| 4 | Tulsa, Oklahoma | 91 |
| 5 | Oklahoma City, Oklahoma | 88 |
| 6 | St Louis, Missouri | 86 |
| 7 | Wichita, Kansas | 85 |
| 8 | Apple Valley, Minnesota | 84 |
| 9 | Thermal, California | 80 |
| 10 | Edmond, Oklahoma | 79 |
(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 | Sunset Co-op Nursery School | 58 |
| 2 | St Helena Cooperative Nursery School | 47 |
| 3 | Baker Beach | 41 |
| 4 | Shore View Ave | 40 |
| 5 | Rincon Hill | 37 |
| 6 | Buchanan and Broadway | 36 |
| 7 | Pacific Heights 2 | 36 |
| 8 | 150 Parker Ave. | 35 |
| 9 | 3398 Baker Street | 34 |
| 10 | 23rd Street & 3rd Street | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
4
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 | 4 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 0.8µg/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 |
|---|---|---|---|---|
| Sunday, May 12 | Good 7 AQI US | |||
| Monday, May 13 | Good 6 AQI US | |||
| Tuesday, May 14 | Good 2 AQI US | |||
| Today | Good 4 AQI US |  | 59° 50° |  13.4 mp/h |
| Thursday, May 16 | Good 19 AQI US | | 60.8° 51.8° | 13.4 mp/h |
| Friday, May 17 | Good 22 AQI US |  | 60.8° 51.8° | 11.2 mp/h |
| Saturday, May 18 | Good 21 AQI US | | 59° 51.8° | 13.4 mp/h |
| Sunday, May 19 | Good 27 AQI US | | 59° 51.8° | 11.2 mp/h |
| Monday, May 20 | Good 24 AQI US | | 60.8° 50° | 13.4 mp/h |
| Tuesday, May 21 | Good 34 AQI US | | 59° 50° | 15.7 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?
- Capitol Avenue 1
- Chenery St 1
- Garfield Street 1
- Hudson Avenue 1
- Lippard Avenue 1
- Maynard Street 2 1
- Mendell & La Salle Ave 1
- Mission Bernal Hospital 1
- Mount Davidson Manor 1
- Parkmerced 1
- Quarry Road 1
- Sait Germain Avenue 1
- Twin Peaks 1
- 333 Diamond Street 3
- Cortland Avenue 3
- Golden Gate 3
- Ingleside Terraces 3
- 4031 21st Street 4
- Castro Duncan Open Space 4
- Hidden Garden Steps 4
- The Little School 4
- Upper Elsie Coyotes 4
- Visitacion Valley 4
- West of Twin Peaks 4
- 645 Greenwich Street 5
- California College of The Arts 5
- Congo Street 5
- Greenwich Street 5
- Lakeview near Margaret 5
- Potomac Street 5
- Rivoli Street 6
- Upper Shrader Cole Valley 6
- Warren Lex World Headquarters 6
- 4181 26th Street 7
- 5235 Diamond Heights Boulevard 7
- Espirit Park Roof 7
- Gambier Street & Burrows Street 7
- Mid The Page Street 7
- Outer Sunset 40th & Irving 7
- San Jose Ave and Ocean Ave 7
- Tennessee Street 7
- 181-47 Dalewood Way 9
- Sunnyside Elementary School 9
- 141 6th Avenue 10
- 4010 Eureka Valley 10
- 512 College Avenue 10
- 662 Cayuga Ave 10
- Chenery St 500 block 10
- Financial District 10
- Grenard Terrace 10
- LH Webster 10
- Pine Street 10
- Pine Street & California Street 10
- Shipley Street 10
- Silver Terrace 10
- Sunnyside 2 10
- Western Addition 10
- 10th and Fulton Deck 11
- 16 Seal Rock Dr 11
- 2635 16th Avenue 11
- 2899 Vallejo Street 11
- 884 Silver Avenue 11
- Banks Street 11
- Duboce Triangle 11
- Noe Valley 11
- Oakdale Avenue 11
- Rivera Street 11
- States Street 11
- 1770 McKinnon Avenue 12
- 313 Shotwell Street 12
- 4362 24th Street 12
- Bernal Heights 4 12
- Mojave Street 12
- Tompkins Avenue 12
- 116 Marietta Drive 13
- 32nd Avenue 13
- 34th Avenue & Cabrillo Street 13
- 540 Victoria Street 13
- Baker St 13
- Balboa Street 13
- Greenwich and Laguna 13
- India Basin 13
- Inner Sunset 13
- McAllister Street 13
- Mountain Lake Park 13
- Richland near Leese 13
- Valley Street 13
- 351 Magellan Ave 14
- 4066 23rd Street 14
- CesarChavezDolores 14
- Clement Street 14
- Hazelwood at Mangels 14
- Sanchez Street 14
- Stanyan Street 14
- Staples Avenue 14
- Vicksburg Street 14
- 19 St Charles Avenue 15
- Diamond Street & Conrad Street 15
- Flood Avenue 15
- Golden Gate Height 15
- Highland Avenue 15
- Mid Liberty Street 15
- Mississippi Street 15
- Pacheco Street 15
- Parkmerced-SFSU Bay Conference Center 15
- 28th Street at Diamond (Outside) 16
- 300 block Russia 16
- Capp Street Garden 16
- Church Street & Liberty Street 16
- Churchill Park 16
- Gladys Street 16
- Hickory Street 16
- Tiffany Avenue 16
- 15th and Castro St. 17
- 215 Connecticut St 17
- 4078 Cesar Chavez 17
- 8th and Kirkham 17
- 915 Cayuga Ave 17
- Cameo Way 17
- Edgehill Open Space Park 17
- James Lick 17
- Mission District 17
- Noe Street 2 17
- 12th Avenue 18
- 1448 Plymouth Avenue 18
- 3801 21st Street 18
- Cumberland Street 18
- Sea Cliff 18
- Tank Hill 18
- 491 Corbett Avenue 19
- 575 Magellan Avenue 19
- California Street 19
- De Haro Blvd 19
- Forest Side 19
- Kensington Way 19
- Mission District & Osage Street 19
- Molimo Drive 19
- Portola Street 19
- SF Maritime NHP 19
- Sunnyside St 19
- 35 Keyes Ave 20
- Bryant & 26h Street Intersection 20
- Grand View Avenue 20
- Lakeshore 20
- McAllister 20
- Pacific Avenue 20
- Quintara Street 2 20
- Sunnyside 20
- 12th Ave 21
- 21st & Balboa 21
- Cole Valley 21
- Cow Hollow 21
- Inner Sunset 2 21
- Jersey and Vicksberg II 21
- Laguna Street 21
- Santa Rosa Avenue 21
- Scott Street 21
- South Beach Marina Apartments 21
- 29th Avenue 22
- Bernal Street 22
- Green Street 22
- Haight Street 22
- McLaren Avenue 22
- Miraloma Park O'Shaughnessy 22
- Potrero Hill 2 22
- 18thAve/TaravalUlloa 23
- Bernal Heights 23
- Brannan St 23
- Broadway between Hyde and Larkin 23
- Illinois Street 23
- Kirkham Street 23
- Nob Hill 23
- Noe Valley 2 23
- Pioneer Park 23
- 144 Funston Avenue 24
- 188 S Park St 24
- 4256 22nd Street 24
- 427 Kirkham Street 24
- Anza Street 24
- Ashbury St 24
- CEEP at Star 24
- Lake & 21st Avenue 24
- Outer Sunset-2340 42nd Ave 24
- Pacific Primary 24
- Page Street 24
- Ripley Street 24
- Roosevelt Way 24
- Walter Street 24
- California Tennis Club 1770 Scott 25
- 2318 Fillmore Street 26
- Castenada Avenue 26
- Mission District 2 26
- 15th and Noe Street 27
- 29th Ave and Judah 27
- 6th and Hugo Street 27
- Anza Vista-the_balbs 27
- Lombard Street 27
- Outer Sunset 4 27
- Filbert Street 30
- Jackson & Walnut 30
- Pacific Heights-GEOHealth_VMT_Basadre 30
- Telegraph Hill 30
- 1741-1701 Mason St 31
- 607 Andover Street 31
- Park Hill Avenue 31
- Russ Street 1 31
- Safer Together/Bernal 31
- Downey Street 32
- 23rd Street & 3rd Street 33
- Alcatraz Dock 33
- The Hamlin School #2 33
- 3398 Baker Street 34
- 150 Parker Ave. 35
- Buchanan and Broadway 36
- Pacific Heights 2 36
- Rincon Hill 37
- Shore View Ave 40
- Baker Beach 41
- St Helena Cooperative Nursery School 47
- Sunset Co-op Nursery School 58
AQI US, Metric