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)
44
Good
Sonoma, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.27 μg/m³
0
55
155
255
425
605+
10.99 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
9.75 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sonoma, California
Sonoma, California
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AQI 44
Good
8.29μg/m³
PM2.5
43.94μg/m³
PM10
10.87ppb
O3
0.34ppb
SO2
9.84ppb
NO2
0.45ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
19.89μg/m³
PM10
10.99ppb
O3
0.34ppb
SO2
6.27ppb
NO2
0.43ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
26.73μg/m³
PM10
12.98ppb
O3
0.52ppb
SO2
6.48ppb
NO2
0.41ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
39.96μg/m³
PM10
9.51ppb
O3
0.35ppb
SO2
6.04ppb
NO2
0.42ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
31.01μg/m³
PM10
10.85ppb
O3
0.32ppb
SO2
8.06ppb
NO2
0.43ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.68μg/m³
PM10
13.01ppb
O3
0.50ppb
SO2
5.93ppb
NO2
0.40ppm
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 05:00:00 on 2025-12-08.
The best air quality in Sonoma, California was recorded at 10:00:00 on 2025-12-08.
The real-time air quality index in Sonoma, California is 44, 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 7.508 μg/m3.
The current PM10 levels in Sonoma, California are 18.274 μg/m3.
The current carbon monoxide (CO) level in Sonoma, California is 0.431 ppm.
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.334 ppb.
The current ozone (O3) levels at Sonoma, California is 10.993 ppm.
The current nitrogen dioxide (NO2) levels at Sonoma, California is 9.75 ppb.
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