Air Quality in San Francisco, El Salvador
Clear
33.7°C · 37.7% humidity
33.7°
Feels 33.7°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
San Francisco's air quality — share it
AQI Forecast
Calibrated
24
8am
24
24
25
11am
26
26
26
2pm
26
26
26
5pm
26
26
33
8pm
26
26
26
11pm
26
26
26
2am
26
33
33
5am
33
33
Station readings
55
CAMS model
adj -1
25
25
25
25
27
27
27
27
27
27
27
27
34
27
27
27
27
27
27
27
34
34
34
34
Air Quality Index Trend
18h · 1 stnSan Francisco's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
37.7%
Humidity
25.6 km/h
Wind SW
1010.4 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Francisco?
Temperature & Precipitation
PM2.5 Trend
18h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX29.9
Extreme
What is the 7-day forecast for San Francisco?
05-29
33.7° 21.7°
8.75 mm
05-30
33.7° 20.6°
7.81 mm
05-31
31.2° 21.3°
1.13 mm
06-01
26.6° 21.0°
9.88 mm
06-02
30.5° 21.3°
7.81 mm
06-03
31.1° 21.3°
9.88 mm
06-04
28.7° 21.3°
11.25 mm
Both models agree
Avg diff: 2.4°C
Where are air quality stations near San Francisco?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T17:50 UTC.