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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near 4031 21st Street, San Francisco?
| Weather | Few clouds |
| Temperature | 59°F |
| Humidity | 73% |
| Wind | 26 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Channelview, Texas | 91 |
| 2 | San Antonio, Texas | 87 |
| 3 | San Bernardino, California | 85 |
| 4 | Fontana, California | 84 |
| 5 | New Braunfels, Texas | 82 |
| 6 | Baytown, Texas | 81 |
| 7 | Pasadena, Texas | 80 |
| 8 | Rancho Cucamonga, California | 79 |
| 9 | Yucaipa, California | 79 |
| 10 | San Fernando, California | 76 |
(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 | 86 |
| 2 | Safer Together/Bernal | 64 |
| 3 | Downey Street | 62 |
| 4 | 3398 Baker Street | 58 |
| 5 | Potrero Hill 2 | 55 |
| 6 | Mission District 2 | 54 |
| 7 | Baker Beach | 52 |
| 8 | House Guerrero | 44 |
| 9 | St Helena Cooperative Nursery School | 44 |
| 10 | Outer Sunset 4 | 42 |
(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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 17 AQI US | |||
| Thursday, May 30 | Good 15 AQI US | |||
| Friday, May 31 | Good 12 AQI US | |||
| Today | Good 4 AQI US | | 59° 50° |  22.4 mp/h |
| Sunday, Jun 2 | Good 32 AQI US |  | 60.8° 51.8° | 20.1 mp/h |
| Monday, Jun 3 | Good 17 AQI US | | 57.2° 51.8° | 15.7 mp/h |
| Tuesday, Jun 4 | Good 33 AQI US |  | 68° 51.8° | 15.7 mp/h |
| Wednesday, Jun 5 | Moderate 60 AQI US  | | 60.8° 51.8° | 11.2 mp/h |
| Thursday, Jun 6 | Good 35 AQI US | | 57.2° 50° | 13.4 mp/h |
| Friday, Jun 7 | Good 22 AQI US | | 57.2° 51.8° | 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?
No locations are available.
AQI US, Metric