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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 3801 21st Street, San Francisco?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 83% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Flagstaff, Arizona | 96 |
| 2 | Corpus Christi, Texas | 90 |
| 3 | El Paso, Texas | 90 |
| 4 | Baton Rouge, Louisiana | 78 |
| 5 | Casa Grande, Arizona | 77 |
| 6 | Channelview, Texas | 76 |
| 7 | Galena Park, Texas | 74 |
| 8 | Baytown, Texas | 72 |
| 9 | Westlake, Louisiana | 70 |
| 10 | Pasadena, Texas | 68 |
(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 | Potrero Hill 2 | 56 |
| 2 | Sunset Co-op Nursery School | 54 |
| 3 | Safer Together/Bernal | 53 |
| 4 | Shore View Ave | 52 |
| 5 | Baker Beach | 51 |
| 6 | Downey Street | 49 |
| 7 | House Guerrero | 43 |
| 8 | Park Hill Avenue | 43 |
| 9 | 15th and Noe Street | 42 |
| 10 | 3398 Baker Street | 42 |
(local time)
SEE WORLD AQI RANKING
US AQI
28
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 | 28 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/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 |
|---|---|---|---|---|
| Tuesday, May 7 | Good 21 AQI US | |||
| Wednesday, May 8 | Good 22 AQI US | |||
| Thursday, May 9 | Good 30 AQI US | |||
| Today | Good 28 AQI US |  | 68° 53.6° |  11.2 mp/h |
| Saturday, May 11 | Good 31 AQI US |  | 62.6° 53.6° | 11.2 mp/h |
| Sunday, May 12 | Good 25 AQI US |  | 60.8° 50° | 8.9 mp/h |
| Monday, May 13 | Good 35 AQI US | | 59° 50° | 11.2 mp/h |
| Tuesday, May 14 | Good 32 AQI US | | 59° 50° | 11.2 mp/h |
| Wednesday, May 15 | Good 23 AQI US | | 59° 50° | 13.4 mp/h |
| Thursday, May 16 | Good 23 AQI US | | 60.8° 51.8° | 11.2 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?
- 44 Fifth Avenue 1
- Presidio Heights 1
- El Sereno Court 6
- 35th & Moraga 7
- 4031 21st Street 7
- Chenery St 7
- Mendell & La Salle Ave 7
- The Little School 7
- Potrero Hill 18th & Mississippi 8
- Mission District - San Jose Avenue 10
- Financial District 11
- Lippard Avenue 11
- 1728 Diamond Street 13
- Castro Duncan Open Space 13
- Hudson Avenue 13
- Outer Sunset 40th & Irving 13
- Valencia Street 13
- Western Addition 13
- 121 Day Street 14
- 16 Seal Rock Dr 14
- Upper Shrader Cole Valley 14
- 4181 26th Street 15
- Cortland Avenue 15
- Dolores and 28th 15
- Quarry Road 15
- St Helena Cooperative Nursery School 15
- 151 10th Avenue 16
- 333 Diamond Street 16
- Balboa Street 16
- Clayton St 16
- Garfield Street 16
- Greenwich and Laguna 16
- Grenard Terrace 16
- Maynard Street 2 16
- Mission Bernal Hospital 16
- Mount Davidson Manor 16
- Pine Street & California Street 16
- Potrero Hill 3 16
- Warren Lex World Headquarters 17
- California College of The Arts 18
- Clement Street 18
- Greenwich Street 18
- Hill House 18
- Ingleside Terraces 18
- Mountain Lake Park 18
- Rivoli Street 18
- Espirit Park Roof 19
- Golden Gate 19
- McAllister Street 19
- Moraga Street 19
- Portola Street 19
- Potomac Street 19
- Stanyan Street 19
- States Street 19
- West of Twin Peaks 19
- California Street 20
- Pacific Avenue 20
- 34th Avenue & Cabrillo Street 21
- Parkmerced 21
- Sea Cliff 21
- Shipley Street 21
- Twin Peaks 21
- 10th and Fulton Deck 22
- Capitol Avenue 22
- Duboce Triangle 22
- Inner Sunset 22
- LH Webster 22
- Pine Street 22
- Sait Germain Avenue 22
- Upper Elsie Coyotes 22
- 35 Keyes Ave 23
- Dolores Park 23
- Anza Street 24
- Congo Street 24
- Inner Sunset 2 24
- Laguna Street 24
- SF Maritime NHP 24
- 4010 Eureka Valley 25
- Cow Hollow 25
- Green Street 25
- McAllister 25
- Mid The Page Street 25
- Pioneer Park 25
- San Carlos Street 25
- Vicksburg Street 25
- 491 Corbett Avenue 26
- 5235 Diamond Heights Boulevard 26
- Hickory Street 26
- McLaren Avenue 26
- Mississippi Street 26
- Visitacion Valley 26
- 2899 Vallejo Street 27
- 32nd Avenue 27
- 645 Greenwich Street 27
- Bernal Heights 4 27
- Broadway between Hyde and Larkin 27
- Cameo Way 27
- Sunnyside Elementary School 27
- 116 Marietta Drive 28
- 15th and Castro St. 28
- 3801 21st Street 28
- Cumberland Street 28
- Kirkham Street 28
- Noe Valley 28
- Richland near Leese 28
- San Jose Ave and Ocean Ave 28
- Tennessee Street 28
- 144 Funston Avenue 29
- 21st & Balboa 29
- 28th Street at Diamond (Outside) 29
- 4066 23rd Street 29
- 4362 24th Street 29
- 512 College Avenue 29
- 915 Cayuga Ave 29
- Chenery St 500 block 29
- Forest Side 29
- Lake & 21st Avenue 29
- Page Street 29
- 181-47 Dalewood Way 30
- 2635 16th Avenue 30
- 662 Cayuga Ave 30
- Ashbury St 30
- Baker St 30
- Cole Valley 30
- Haight Street 30
- Hazelwood at Mangels 30
- Lakeview near Margaret 30
- Nob Hill 30
- Parkmerced-SFSU Bay Conference Center 30
- Silver Terrace 30
- Tank Hill 30
- 215 Connecticut St 31
- 2318 Fillmore Street 31
- 29th Avenue 31
- 351 Magellan Ave 31
- 575 Magellan Avenue 31
- 884 Silver Avenue 31
- Banks Street 31
- Bryant & 26h Street Intersection 31
- CEEP at Star 31
- Capp Street Garden 31
- CesarChavezDolores 31
- Churchill Park 31
- Diamond Street & Conrad Street 31
- Mid Liberty Street 31
- Mission District & Osage Street 31
- Noe Street 2 31
- Oakdale Avenue 31
- Pacheco Street 31
- Pacific Primary 31
- Quintara Street 2 31
- Sanchez Street 31
- Tiffany Avenue 31
- Valley Street 31
- 12th Ave 32
- 23rd Street & 3rd Street 32
- 313 Shotwell Street 32
- 4078 Cesar Chavez 32
- 540 Victoria Street 32
- Edgehill Open Space Park 32
- Flood Avenue 32
- Golden Gate Height 32
- Grand View Avenue 32
- Jackson & Walnut 32
- Mission District 32
- Outer Sunset 4 32
- Roosevelt Way 32
- Sunnyside 2 32
- 19 St Charles Avenue 33
- California Tennis Club 1770 Scott 33
- Church Street & Liberty Street 33
- Lombard Street 33
- Miraloma Park O'Shaughnessy 33
- Scott Street 33
- Staples Avenue 33
- Walter Street 33
- 1448 Plymouth Avenue 34
- 1741-1701 Mason St 34
- 1770 McKinnon Avenue 34
- 8th and Kirkham 34
- Highland Avenue 34
- Molimo Drive 34
- Rincon Hill 34
- Telegraph Hill 34
- 300 block Russia 35
- De Haro Blvd 35
- Filbert Street 35
- Mojave Street 35
- Santa Rosa Avenue 35
- Tompkins Avenue 35
- West of Twin Peaks 2 35
- 427 Kirkham Street 36
- Castenada Avenue 36
- James Lick 36
- Noe Valley 2 36
- South Beach Marina Apartments 36
- Sunnyside 36
- The Hamlin School #2 36
- 607 Andover Street 37
- 6th and Hugo Street 37
- Brannan St 37
- Gladys Street 37
- India Basin 37
- 150 Parker Ave. 38
- Bernal Heights 38
- Illinois Street 38
- Jersey and Vicksberg II 38
- Lakeshore 38
- 100 Block Andover 39
- 12th Avenue 39
- Mission District 2 39
- Pacific Heights 2 39
- Sunnyside St 39
- 18thAve/TaravalUlloa 40
- 29th Ave and Judah 40
- Kensington Way 40
- 188 S Park St 41
- Anza Vista-the_balbs 41
- Outer Sunset-2340 42nd Ave 41
- Pacific Heights-GEOHealth_VMT_Basadre 41
- Ripley Street 41
- 15th and Noe Street 42
- 3398 Baker Street 42
- Bernal Street 42
- Buchanan and Broadway 42
- Russ Street 1 42
- House Guerrero 43
- Park Hill Avenue 43
- Downey Street 49
- Baker Beach 51
- Shore View Ave 52
- Safer Together/Bernal 53
- Sunset Co-op Nursery School 54
- Potrero Hill 2 56
AQI US, Metric