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)
27
Good
Sonoma, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.74 μg/m³
0
55
155
255
425
605+
27.47 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
3.02 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sonoma, California
Sonoma, California
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AQI 46
Good
7.33μg/m³
PM2.5
50.30μg/m³
PM10
29.99ppb
O3
0.51ppb
SO2
3.24ppb
NO2
0.14ppm
CO
AQI 28
Good
3.55μg/m³
PM2.5
14.10μg/m³
PM10
30.06ppb
O3
0.51ppb
SO2
3.12ppb
NO2
0.15ppm
CO
AQI 33
Good
5.88μg/m³
PM2.5
24.51μg/m³
PM10
30.40ppb
O3
0.52ppb
SO2
3.16ppb
NO2
0.14ppm
CO
AQI 22
Good
4.06μg/m³
PM2.5
16.63μg/m³
PM10
22.87ppb
O3
0.51ppb
SO2
3.11ppb
NO2
0.15ppm
CO
AQI 27
Good
3.11μg/m³
PM2.5
14.12μg/m³
PM10
29.26ppb
O3
0.52ppb
SO2
3.12ppb
NO2
0.15ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
26.79μg/m³
PM10
30.03ppb
O3
0.52ppb
SO2
3.18ppb
NO2
0.14ppm
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 09:00:00 on 2026-06-12.
The best air quality in Sonoma, California was recorded at 03:00:00 on 2026-06-12.
The real-time air quality index in Sonoma, California is 27, currently categorized as Good.
The most common pollutant in Sonoma, California is PM2.5.
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 4.856 μg/m3.
The current PM10 levels in Sonoma, California are 16.739 μg/m3.
The current carbon monoxide (CO) level in Sonoma, California is 0.135 ppm.
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.613 ppb.
The current ozone (O3) levels at Sonoma, California is 27.467 ppm.
The current nitrogen dioxide (NO2) levels at Sonoma, California is 3.021 ppb.
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