What is the air quality in San Francisco today?

The current Air Quality Index (AQI) in San Francisco is 56 (Moderate). PM2.5 concentration is 14.69 µg/m³.

What is the temperature in San Francisco right now?

The current temperature in San Francisco is 22.2°C (feels like 22.2°C). Humidity is 67.5% and wind speed is 22.8 km/h.

Air Quality in San Francisco, SV

Partly Cloudy

22.2°C · 67.5% humidity

22.2°

Feels 22.2°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

37 12am

75 3am

75 6am

75 9am

75 12pm

25 3pm

25 6pm

25 9pm

Station readings 32h ago

AQI 38

PM2.5 9.0 µg/m³ · 32h ago

67.5%

Humidity

22.8 km/h

Wind N

1009.9 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for San Francisco?

Temperature & Precipitation

PM2.514.69 µg/m³ ✓ WHO

Moderate

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for San Francisco?

04-10

35.1° 20.2°

04-11

36.7° 20.7°

04-12

36.6° 19.9°

04-13

36.1° 22.0°

04-14

35.5° 23.5°

04-15

34.8° 22.8°

4.5 mm

04-16

34.3° 23.0°

2.94 mm

Both models agree Avg diff: 2.0°C

Where are air quality stations near San Francisco?

el-salvador-san-miguel-pan-american-highway

24.4 km PM2.5: 9.0 µg/m³ PM10: 10.0 µg/m³

What cities are near San Francisco?

60 San Miguel 63 San Rafael Oriente 87 Santiago de María 56 La Unión 63 Usulután 53 Sensuntepeque 63 Puerto El Triunfo 72 San Vicente 48 San Lorenzo 49 La Paz

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T03:40 UTC.