Stay updated with real-time air quality in Sonoma, 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
Sonoma, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.66 μg/m³
0
55
155
255
425
605+
32.73 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
4.35 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sonoma, California
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AQI 49
Good
8.81μg/m³
PM2.5
43.10μg/m³
PM10
38.23ppb
O3
0.41ppb
SO2
5.02ppb
NO2
0.31ppm
CO
AQI 33
Good
5.80μg/m³
PM2.5
23.97μg/m³
PM10
34.12ppb
O3
0.41ppb
SO2
1.37ppb
NO2
0.29ppm
CO
AQI 38
Good
7.05μg/m³
PM2.5
30.57μg/m³
PM10
32.77ppb
O3
0.51ppb
SO2
3.93ppb
NO2
0.31ppm
CO
AQI 34
Good
5.72μg/m³
PM2.5
23.64μg/m³
PM10
37.13ppb
O3
0.40ppb
SO2
1.21ppb
NO2
0.30ppm
CO
AQI 52
Moderate
9.99μg/m³
PM2.5
35.67μg/m³
PM10
38.74ppb
O3
0.41ppb
SO2
2.25ppb
NO2
0.27ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
28.18μg/m³
PM10
32.96ppb
O3
0.59ppb
SO2
3.07ppb
NO2
0.30ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sonoma, California is updated on an hourly basis.
The worst air quality in Sonoma, California was recorded at 08:00:00 on 2026-03-09.
The best air quality in Sonoma, California was recorded at 01:00:00 on 2026-03-09.
The real-time air quality index in Sonoma, California is 31, currently categorized as Good.
The most common pollutant in Sonoma, California is O3.
If the air quality in Sonoma, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sonoma, California at present are 3.532 μg/m3.
The current PM10 levels in Sonoma, California are 15.859 μg/m3.
The current carbon monoxide (CO) level in Sonoma, California is 0.187 ppm.
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.676 ppb.
The current ozone (O3) levels at Sonoma, California is 33.174 ppm.
The current nitrogen dioxide (NO2) levels at Sonoma, California is 7.424 ppb.
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