What Is Air Quality in San Francisco, California, CA?
San Francisco, California, CA has an Air Quality Grade of B with a 5-year median AQI of 38. The dominant pollutant is PM2.5.
Key Data
| Metric | Value |
|---|---|
| Air Quality Grade | B (70/100) |
| 5-Year Median AQI | 38 |
| Current Median AQI | 32 |
| Dominant Pollutant | PM2.5 |
| Trend | Improving |
| Unhealthy Days (5yr) | 10 |
San Francisco, California, CA has an Air Quality Grade of B with a 5-year median AQI of 38. The dominant pollutant is PM2.5.