Stay updated with real-time air quality in San Rafael, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
38
Good
San Rafael, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.27 μg/m³
0
55
155
255
425
605+
28.95 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
3.50 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
San Rafael, California
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AQI 38
Good
7.19μg/m³
PM2.5
27.50μg/m³
PM10
28.55ppb
O3
0.49ppb
SO2
3.52ppb
NO2
0.22ppm
CO
AQI 38
Good
7.24μg/m³
PM2.5
27.87μg/m³
PM10
28.44ppb
O3
0.50ppb
SO2
3.53ppb
NO2
0.23ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
30.23μg/m³
PM10
27.78ppb
O3
0.50ppb
SO2
3.60ppb
NO2
0.26ppm
CO
AQI 44
Good
7.70μg/m³
PM2.5
31.14μg/m³
PM10
27.53ppb
O3
0.50ppb
SO2
3.63ppb
NO2
0.27ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
27.89μg/m³
PM10
26.83ppb
O3
0.44ppb
SO2
3.24ppb
NO2
0.31ppm
CO
AQI 44
Good
7.67μg/m³
PM2.5
34.31μg/m³
PM10
25.86ppb
O3
0.63ppb
SO2
2.78ppb
NO2
0.31ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for San Rafael, California is updated every hour for accuracy.
In the past 24 hours, the air quality in San Rafael, California was at its worst at 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in San Rafael, California was observed at 03:00:00 on 2026-03-09.
As of now, the AQI in San Rafael, California is 38, indicating Good conditions.
San Rafael, California air has the highest levels of PM2.5.
Poor air quality in San Rafael, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in San Rafael, California are currently 7.038 μg/m3.
The PM10 concentration in San Rafael, California is 26.269 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in San Rafael, California is 0.202 ppm.
Currently, San Rafael, California has a sulfur dioxide (SO2) concentration of 0.49 ppb.
The current ozone (O3) level in San Rafael, California at the moment is 28.946 ppm.
Nitrogen dioxide (NO2) level in San Rafael, California at the moment is 3.501 ppb.
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