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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 3801 21st Street, San Francisco?
| Weather | Few clouds |
| Temperature | 51.8°F |
| Humidity | 81% |
| Wind | 25.3 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Buffalo, New York | 68 |
| 2 | Corpus Christi, Texas | 68 |
| 3 | The Woodlands, Texas | 65 |
| 4 | Braddock, Pennsylvania | 61 |
| 5 | New Braunfels, Texas | 61 |
| 6 | Allentown, Pennsylvania | 59 |
| 7 | Bethlehem, Pennsylvania | 59 |
| 8 | Casa Grande, Arizona | 59 |
| 9 | Cleveland, Ohio | 59 |
| 10 | Dunmore, Pennsylvania | 59 |
(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 | 41 |
| 2 | Downey Street | 33 |
| 3 | Bryant & 26h Street Intersection | 30 |
| 4 | Potrero Hill 2 | 25 |
| 5 | Jersey and Vicksberg II | 23 |
| 6 | Safer Together/Bernal | 23 |
| 7 | Baker Beach | 20 |
| 8 | 3398 Baker Street | 19 |
| 9 | House Guerrero | 19 |
| 10 | Mission District 2 | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
9
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 | 9 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.1µg/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 |
|---|---|---|---|---|
| Friday, Apr 26 | Good 9 AQI US | |||
| Saturday, Apr 27 | Good 10 AQI US | |||
| Today | Good 9 AQI US | |||
| Monday, Apr 29 | Good 16 AQI US |  | 59° 48.2° |  20.1 mp/h |
| Tuesday, Apr 30 | Good 18 AQI US | | 59° 46.4° | 17.9 mp/h |
| Wednesday, May 1 | Good 17 AQI US | | 62.6° 48.2° | 15.7 mp/h |
| Thursday, May 2 | Good 19 AQI US | | 62.6° 51.8° | 8.9 mp/h |
| Friday, May 3 | Good 15 AQI US | | 59° 51.8° | 13.4 mp/h |
| Saturday, May 4 | Good 14 AQI US |  100% | 53.6° 48.2° | 13.4 mp/h |
| Sunday, May 5 | Good 10 AQI US | 60% | 55.4° 48.2° | 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?
No locations are available.
AQI US, Metric