Air Quality in San Francisco, Philippines
Heavy Rain
28.0°C · 84.4% humidity
28.0°
Feels 34.6°
79
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
San Francisco's air quality — share it
AQI Forecast
146
6am
84
66
79
9am
72
67
63
12pm
41
39
37
3pm
36
36
35
6pm
55
55
84
9pm
146
146
146
12am
146
146
146
3am
84
84
Air Quality Index Trend
45h · 2 stnSan Francisco's air quality is affected by vehicle emissions, industrial activity, and periodic transboundary haze from agricultural burning. The dry season tends to produce elevated particulate levels. Current PM2.5 concentration in San Francisco is 1.7× the WHO 24-hour guideline of 15 µg/m³.
84.4%
Humidity
65.5 km/h
Wind SSE
1004.2 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
25.29 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for San Francisco?
Temperature & Precipitation
PM2.5 Trend
45h · 2 stationsPM2.525.29 µg/m³
×1.7 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for San Francisco?
06-09
28.0° 25.0°
38.75 mm
06-10
28.1° 25.2°
19.56 mm
06-11
28.4° 25.3°
55.13 mm
06-12
27.8° 24.7°
19.44 mm
06-13
32.4° 25.8°
6.56 mm
06-14
33.4° 24.9°
19.06 mm
06-15
31.6° 24.1°
22.19 mm
Both models agree
Avg diff: 1.7°C
Where are air quality stations near San Francisco?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T01:06 UTC.