Air Quality in San Rafael, United States
Windy
25.5°C · 38.7% humidity
25.5°
Feels 25.5°
189
Unhealthy
Everyone should reduce prolonged outdoor exertion.
13 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
10
10am
10
10
189
1pm
138
102
83
4pm
64
51
41
7pm
27
22
19
10pm
16
15
13
1am
12
12
11
4am
11
11
10
7am
8
8
Station readings
12
6
14
15
CAMS model
adj -17
27
27
27
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
25
25
Air Quality Index Trend
40h · 1 stnSan Rafael's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in San Rafael is 8.5× the WHO 24-hour guideline of 15 µg/m³.
38.7%
Humidity
47.2 km/h
Wind WNW
1008.7 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
128.23 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Rafael?
Temperature & Precipitation
PM2.5 Trend
40h · 1 stationPM2.5128.23 µg/m³
×8.5 WHO
Unhealthy
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (13 stations within 25 km)
128.23
Median
17.39
Average
2.75
Low
134.9
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -121.7
Both models agree
Avg diff: 2.6°C
Where are air quality stations near San Rafael?
64
San Rafael, Marin, California
14
Berkeley-MCC Upstairs
13
Berkeley-MCC Downstairs
20
Berkeley-Marin City 1
20
Berkeley-Marin City 3
20
Berkeley-Marin City 2
23
A8XQG5PY
25
A882RZTJ
23
AVWLB7NQ
12
A6Z53721
What cities are near San Rafael?
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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 2026-07-21T20:54 UTC.