The inland setting means local environmental conditions are shaped more by urban density than coastal influences.
Air quality is typical for San Francisco
24-Hour AQI Trend
Pollutant Breakdown
Peer Comparison
Air quality is typical for San Francisco
Why West SoMa, San Francisco's Air Is What It Is
West SoMa, San Francisco sits in an inland urban setting where local environmental conditions are shaped primarily by density and development patterns. Temperature swings between day and night can be more pronounced than in coastal areas.
Historical Context
Current AQI of 31 reflects recent monitoring data. Local conditions can shift with weather patterns, traffic volume, and seasonal factors.
24-Hour Hourly Forecast
Best window: 05:00 (AQI 31) · Peak AQI: 41 at 21:00
| Time | AQI | Temp (°F) | Humidity | Wind (mph) | PM2.5 | PM10 |
|---|---|---|---|---|---|---|
| 00:00 | 36 | 129.4 | 67% | 5.3 | 9.5 | 14.8 |
| 01:00 | 35 | 128.5 | 68% | 1.8 | 8.8 | 13.5 |
| 02:00 | 34 | 128.5 | 64% | 2.7 | 8.1 | 12.5 |
| 03:00 | 33 | 126.9 | 63% | 2.9 | 7.8 | 11.9 |
| 04:00 | 32 | 124.5 | 67% | 4.3 | 7.8 | 12.0 |
| 05:00 | 31 | 122.4 | 74% | 3.2 | 7.1 | 10.9 |
| 06:00 | 31 | 123.1 | 70% | 2.1 | 6.8 | 10.2 |
| 07:00 | 31 | 125.6 | 74% | 0.7 | 6.3 | 9.5 |
| 08:00 | 31 | 133.3 | 76% | 0.9 | 6.1 | 9.4 |
| 09:00 | 31 | 136.9 | 65% | 0.6 | 6.2 | 9.5 |
| 10:00 | 31 | 142.3 | 57% | 2.5 | 6.7 | 10.2 |
| 11:00 | 31 | 149.0 | 47% | 4.5 | 6.7 | 10.1 |
| 12:00 | 32 | 151.7 | 46% | 6.5 | 6.6 | 10.1 |
| 13:00 | 32 | 156.6 | 43% | 6.4 | 6.7 | 10.3 |
| 14:00 | 33 | 158.0 | 42% | 7.5 | 6.7 | 10.4 |
| 15:00 | 34 | 159.8 | 40% | 7.0 | 6.5 | 10.0 |
| 16:00 | 36 | 160.5 | 37% | 6.8 | 5.8 | 8.9 |
| 17:00 | 37 | 164.8 | 18% | 9.2 | 5.1 | 7.7 |
| 18:00 | 38 | 163.8 | 19% | 11.1 | 5.7 | 8.6 |
| 19:00 | 39 | 158.2 | 23% | 10.2 | 6.0 | 8.8 |
| 20:00 | 40 | 153.7 | 24% | 9.6 | 6.5 | 9.7 |
| 21:00 | 41 | 149.9 | 26% | 10.3 | 5.9 | 8.6 |
| 22:00 | 41 | 146.7 | 28% | 9.4 | 5.5 | 7.8 |
| 23:00 | 41 | 144.3 | 30% | 10.4 | 5.1 | 7.1 |
Air quality is forecast to be good for most of the day. Great time for outdoor activities!
24-Hour Air Quality Rhythm in West SoMa, San Francisco. Air quality in West SoMa, San Francisco follows trends often observed in monitoring data. Morning hours typically offer the freshest air, while afternoon traffic can cause temporary spikes. The hourly forecast can help with choosing favorable windows. Planning Note for West SoMa, San Francisco. Air quality is forecast to be good for most of the day. Great time for outdoor activities! The hourly breakdown above provides detail that many find useful for making decisions about outdoor time.