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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 | 64.4°F |
| Humidity | 72% |
| Wind | 18.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  La Habra, California | 82 |
| 2 | San Gabriel, California | 77 |
| 3 | Hot Springs, South Dakota | 75 |
| 4 | Whittier, California | 72 |
| 5 | Anaheim, California | 70 |
| 6 | La Mirada, California | 70 |
| 7 | Downey, California | 68 |
| 8 | Pasadena, California | 68 |
| 9 | Signal Hill, California | 68 |
| 10 | Alhambra, California | 67 |
(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 | Richland near Leese | 46 |
| 2 | Mission District 2 | 39 |
| 3 | Baker Beach | 38 |
| 4 | Shore View Ave | 38 |
| 5 | Potrero Hill 2 | 35 |
| 6 | Sunset Co-op Nursery School | 33 |
| 7 | The Hamlin School #2 | 32 |
| 8 | Illinois Street | 31 |
| 9 | South Beach Marina Apartments | 31 |
| 10 | 29th Ave and Judah | 30 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
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 | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4µg/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 |
|---|---|---|---|---|
| Wednesday, May 8 | Good 22 AQI US | |||
| Thursday, May 9 | Good 31 AQI US | |||
| Friday, May 10 | Good 21 AQI US | |||
| Today | Good 22 AQI US | | 64.4° 53.6° |  11.2 mp/h |
| Sunday, May 12 | Good 20 AQI US |  | 60.8° 51.8° | 11.2 mp/h |
| Monday, May 13 | Good 24 AQI US | | 59° 50° | 13.4 mp/h |
| Tuesday, May 14 | Good 33 AQI US | | 60.8° 50° | 11.2 mp/h |
| Wednesday, May 15 | Good 26 AQI US |  | 60.8° 51.8° | 13.4 mp/h |
| Thursday, May 16 | Good 19 AQI US | | 62.6° 53.6° | 13.4 mp/h |
| Friday, May 17 | Good 21 AQI US | | 62.6° 53.6° | 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