Air Quality in San Rafael, United States

Windy
20.8°C · 52.5% humidity
20.8°
Feels 20.8°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 11am
11
11
32 2pm
26
29
26 5pm
24
22
14 8pm
13
12
12 11pm
12
12
11 2am
11
11
11 5am
11
11
9 8am
9
9
Station readings
6
14
15
12
CAMS model adj -16
27
27
27
27
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
AD 728×90

Air Quality Index Trend

41h · 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.

52.5%
Humidity
77.6 km/h
Wind WNW
1007.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
32
7.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

41h · 1 station
PM2.57.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
7.8
Median
5.7
Average
3.25
Low
7.9
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.3
07-21
25.5° 11.0°
07-22
22.5° 11.7°
07-23
20.1° 14.3°
0.06 mm
07-24
24.1° 11.3°
07-25
20.0° 12.5°
0.06 mm
07-26
22.5° 11.3°
0.06 mm
07-27
26.3° 11.6°
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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 2026-07-21T21:45 UTC.