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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 | 74% |
| Wind | 29.9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Barstow, California | 91 |
| 2 | Chandler, Arizona | 73 |
| 3 | Gatlinburg, Tennessee | 72 |
| 4 | Alpharetta, Georgia | 70 |
| 5 | Chattanooga, Tennessee | 68 |
| 6 | Gilbert, Arizona | 66 |
| 7 | Casa Grande, Arizona | 64 |
| 8 | The Woodlands, Texas | 63 |
| 9 | Fort Worth, Texas | 62 |
| 10 | Keeler, California | 62 |
(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 | Western Addition | 44 |
| 2 | Kensington Way | 25 |
| 3 | House Guerrero | 23 |
| 4 | Potrero Hill 2 | 23 |
| 5 | Downey Street | 21 |
| 6 | Shore View Ave | 21 |
| 7 | Mission District 2 | 20 |
| 8 | Baker Beach | 17 |
| 9 | Walter Street | 17 |
| 10 | Bernal Heights | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
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 | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/m³ | |
Health Recommendations
What is the current air quality near 4031 21st Street, San Francisco?
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 | 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, Apr 24 | Good 21 AQI US | |||
| Today | Good 21 AQI US | | 57.2° 48.2° |  17.9 mp/h |
| Saturday, Apr 27 | Good 15 AQI US |  | 59° 50° | 20.1 mp/h |
| Sunday, Apr 28 | Good 16 AQI US | | 60.8° 48.2° | 17.9 mp/h |
| Monday, Apr 29 | Good 20 AQI US | | 59° 46.4° | 22.4 mp/h |
| Tuesday, Apr 30 | Good 14 AQI US | | 66.2° 50° | 13.4 mp/h |
| Wednesday, May 1 | Good 12 AQI US |  | 64.4° 51.8° | 8.9 mp/h |
| Thursday, May 2 | Good 14 AQI US | | 59° 50° | 13.4 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?
- 44 Fifth Avenue 0
- San Carlos Street 0
- 10th and Fulton Deck 1
- 12th Avenue 1
- Hill House 1
- McAllister Street 1
- Mount Davidson Manor 1
- The Little School 1
- Twin Peaks 1
- Balboa Street 2
- Dolores and 28th 2
- Green Street 2
- Mountain Lake Park 2
- Potrero Hill 3 2
- Stanyan Street 2
- Valencia Street 2
- 181-47 Dalewood Way 3
- 5235 Diamond Heights Boulevard 3
- Clayton St 3
- Cow Hollow 3
- Hidden Garden Steps 3
- Ingleside Terraces 3
- McAllister 3
- Miraloma Park O'Shaughnessy 3
- Mission Bernal Hospital 3
- Pacific Avenue 3
- San Jose Ave and Ocean Ave 3
- 2899 Vallejo Street 4
- 4010 Eureka Valley 4
- 4078 Cesar Chavez 4
- Dublin Street 4
- Jackson & Walnut 4
- Lakeview near Margaret 4
- Maynard Street 2 4
- Presidio Heights 4
- Richland near Leese 4
- Sait Germain Avenue 4
- Upper Shrader Cole Valley 4
- Valley Street 4
- 116 Marietta Drive 5
- 151 10th Avenue 5
- 29th Avenue 5
- 351 Magellan Ave 5
- 4362 24th Street 5
- 8th and Kirkham 5
- California Street 5
- Cameo Way 5
- Capp Street Garden 5
- Church Street & Liberty Street 5
- Cumberland Street 5
- De Haro Blvd 5
- Flood Avenue 5
- Inner Sunset 5
- Laguna Street 5
- Lippard Avenue 5
- Precita Valley 5
- Visitacion Valley 5
- 15th and Castro St. 6
- 1741-1701 Mason St 6
- 1770 McKinnon Avenue 6
- 21st & Balboa 6
- 313 Shotwell Street 6
- 34th Avenue & Cabrillo Street 6
- 35 Keyes Ave 6
- 4066 23rd Street 6
- 662 Cayuga Ave 6
- Banks Street 6
- Bernal Heights 4 6
- Brannan St 6
- Chenery St 500 block 6
- Clement Street 6
- Cole Valley 6
- Diamond Street & Conrad Street 6
- Dolores Park 6
- Gambier Street & Burrows Street 6
- Haight Street 6
- Hazelwood at Mangels 6
- India Basin 6
- Kirkham Street 6
- Oakdale Avenue 6
- Pacheco Street 6
- Pioneer Park 6
- Potomac Street 6
- States Street 6
- Sunnyside Elementary School 6
- Tank Hill 6
- Telegraph Hill 6
- Tennessee Street 6
- The Hamlin School #2 6
- West of Twin Peaks 6
- 100 Block Andover 7
- 215 Connecticut St 7
- 2318 Fillmore Street 7
- 540 Victoria Street 7
- 645 Greenwich Street 7
- 884 Silver Avenue 7
- 915 Cayuga Ave 7
- Anza Street 7
- Anza Vista-the_balbs 7
- California College of The Arts 7
- Congo Street 7
- Duboce Triangle 7
- Filbert Street 7
- Lake & 21st Avenue 7
- Lakeshore 7
- Lombard Street 7
- Mojave Street 7
- Noe Street 2 7
- Sea Cliff 7
- Shipley Street 7
- Sunnyside 7
- Sunnyside 2 7
- West of Twin Peaks 2 7
- 144 Funston Avenue 8
- 1448 Plymouth Avenue 8
- 2305 Golden Gate Avenue 8
- 333 Diamond Street 8
- 3398 Baker Street 8
- 512 College Avenue 8
- Castenada Avenue 8
- Espirit Park Roof 8
- Forest Side 8
- Hickory Street 8
- Inner Sunset 2 8
- James Lick 8
- McLaren Avenue 8
- Mid Liberty Street 8
- Mississippi Street 8
- Nob Hill 8
- Noe Valley 8
- Outer Sunset-2340 42nd Ave 8
- Page Street 8
- Park Hill Avenue 8
- Parkmerced-SFSU Bay Conference Center 8
- Rivoli Street 8
- Russian Hill Leavenworth 8
- Safer Together/Bernal 8
- Santa Rosa Avenue 8
- South Beach Marina Apartments 8
- Sunnyside St 8
- Tiffany Avenue 8
- Tompkins Avenue 8
- Warren Lex World Headquarters 8
- 18thAve/TaravalUlloa 9
- 300 block Russia 9
- 32nd Avenue 9
- 3801 21st Street 9
- 575 Magellan Avenue 9
- California Tennis Club 1770 Scott 9
- CesarChavezDolores 9
- Cortland Avenue 9
- Gladys Street 9
- Golden Gate 9
- Grand View Avenue 9
- LH Webster 9
- Molimo Drive 9
- Quarry Road 9
- Sherwood Forest 9
- Staples Avenue 9
- 141 6th Avenue 10
- 150 Parker Ave. 10
- 19 St Charles Avenue 10
- 4181 26th Street 10
- 4256 22nd Street 10
- 427 Kirkham Street 10
- 6th and Hugo Street 10
- Baker St 10
- Bryant & 26h Street Intersection 10
- Buchanan and Broadway 10
- Capitol Avenue 10
- Edgehill Open Space Park 10
- Golden Gate Height 10
- Greenwich 10
- Mission District & Osage Street 10
- Parkmerced 10
- Ripley Street 10
- Roosevelt Way 10
- SF Maritime NHP 10
- Scott Street 10
- 2635 16th Avenue 11
- 29th Ave and Judah 11
- 491 Corbett Avenue 11
- 607 Andover Street 11
- Churchill Park 11
- Dolphin Club 11
- Highland Avenue 11
- Illinois Street 11
- Jersey and Vicksberg II 11
- Noe Valley 2 11
- Pacific Primary 11
- Russ Street 1 11
- Silver Terrace 11
- Vicksburg Street 11
- 15th and Noe Street 12
- Bernal Street 12
- Broadway between Hyde and Larkin 12
- Mission District 12
- Outer Sunset 4 12
- Pacific Heights 2 12
- Pacific Heights-GEOHealth_VMT_Basadre 12
- Portola Street 12
- Quintara Street 2 12
- Rincon Hill 12
- CEEP at Star 13
- 23rd Street & 3rd Street 14
- Pine Street 14
- Sanchez Street 14
- Bernal Heights 15
- St Helena Cooperative Nursery School 15
- Baker Beach 17
- Walter Street 17
- Mission District 2 20
- Downey Street 21
- Shore View Ave 21
- House Guerrero 23
- Potrero Hill 2 23
- Kensington Way 25
- Western Addition 44
AQI US, Metric