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
AD 728×90

Air Quality Index Trend

40h · 1 stn

San 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▲
189
128.23 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for San Rafael?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station
PM2.5128.23 µg/m³ ×8.5 WHO
Unhealthy
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
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
1.0 km PM2.5: 18.3 µg/m³
14
Berkeley-MCC Upstairs
10.6 km PM2.5: 3.4 µg/m³
13
Berkeley-MCC Downstairs
10.6 km PM2.5: 3.1 µg/m³
20
Berkeley-Marin City 1
11.1 km PM2.5: 4.7 µg/m³
20
Berkeley-Marin City 3
11.1 km PM2.5: 4.9 µg/m³
20
Berkeley-Marin City 2
11.1 km PM2.5: 4.8 µg/m³
23
A8XQG5PY
13.8 km PM2.5: 5.5 µg/m³
25
A882RZTJ
14.1 km PM2.5: 6.1 µg/m³
23
AVWLB7NQ
14.5 km PM2.5: 5.4 µg/m³
12
A6Z53721
14.6 km PM2.5: 3.0 µg/m³

What cities are near San Rafael?

46 Novato 81 San Pablo 32 El Cerrito 51 Pinole 51 Hercules 34 San Francisco 29 Berkeley 35 Mission District 25 Parkside 31 Noe Valley
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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.