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)
22
Good
Sonoma, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.79 μg/m³
0
55
155
255
425
605+
24.46 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
6.01 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sonoma, California
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AQI 23
Good
3.15μg/m³
PM2.5
12.55μg/m³
PM10
25.12ppb
O3
0.48ppb
SO2
15.88ppb
NO2
0.41ppm
CO
AQI 22
Good
3.60μg/m³
PM2.5
13.51μg/m³
PM10
24.47ppb
O3
0.49ppb
SO2
14.40ppb
NO2
0.41ppm
CO
AQI 25
Good
4.22μg/m³
PM2.5
18.42μg/m³
PM10
27.32ppb
O3
0.40ppb
SO2
5.26ppb
NO2
0.29ppm
CO
AQI 33
Good
5.92μg/m³
PM2.5
23.75μg/m³
PM10
17.85ppb
O3
0.49ppb
SO2
11.33ppb
NO2
0.41ppm
CO
AQI 23
Good
3.93μg/m³
PM2.5
12.33μg/m³
PM10
24.85ppb
O3
0.48ppb
SO2
14.44ppb
NO2
0.40ppm
CO
AQI 27
Good
4.30μg/m³
PM2.5
18.95μg/m³
PM10
28.89ppb
O3
0.22ppb
SO2
4.91ppb
NO2
0.21ppm
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 02:00:00 on 2026-02-13.
The best air quality in Sonoma, California was recorded at 04:00:00 on 2026-02-12.
The real-time air quality index in Sonoma, California is 22, 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 3.504 μg/m3.
The current PM10 levels in Sonoma, California are 12.795 μg/m3.
The current carbon monoxide (CO) level in Sonoma, California is 0.4 ppm.
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.486 ppb.
The current ozone (O3) levels at Sonoma, California is 24.456 ppm.
The current nitrogen dioxide (NO2) levels at Sonoma, California is 6.014 ppb.
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