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Air quality in San Francisco
Air quality index (AQI) and PM2.5 air pollution in San Francisco
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San Francisco Air Quality Map
Real-time San Francisco air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in San Francisco?
| Weather | Scattered clouds |
| Temperature | 59°F |
| Humidity | 63% |
| Wind | 10.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Argentina city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Quilmes, Buenos Aires | 37 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
4*
live AQI index
Good
Overview
What is the current air quality in San Francisco?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 4* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1*µg/m³ | |
✓
PM2.5 concentration in San Francisco air currently meets the WHO annual air quality guideline value
Forecast
San Francisco air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 4 AQI US | | 66.2° 53.6° |  15.7 mp/h |
| Sunday, Apr 28 | Good 7 AQI US |  | 66.2° 46.4° | 8.9 mp/h |
| Monday, Apr 29 | Good 18 AQI US | | 69.8° 53.6° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 72 AQI US  | | 78.8° 60.8° | 13.4 mp/h |
| Wednesday, May 1 | Good 46 AQI US |  30% | 64.4° 57.2° | 11.2 mp/h |
| Thursday, May 2 | Moderate 54 AQI US |  | 64.4° 51.8° | 13.4 mp/h |
| Friday, May 3 | Good 35 AQI US | 30% | 59° 48.2° | 11.2 mp/h |
| Saturday, May 4 | Moderate 72 AQI US | 30% | 60.8° 51.8° | 8.9 mp/h |
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Where is the cleanest air quality in San Francisco?
No locations are available.
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AQI US, Metric