Real-time air quality index in Sonoma, California today
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)
19
Good
Sonoma, California
Last updated: ... (Local time)
Common air pollutants in Sonoma, California
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
11.36 μg/m³
0
55
155
255
425
605+
Ozone (O3)
19.66 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.35 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.30 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sonoma, California
Sonoma, California
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Sonoma, California air quality map: Real-time AQI near you
Air quality in nearby cities
Napa, California
AQI 19
Good
1.81μg/m³
PM2.5
8.77μg/m³
PM10
20.41ppb
O3
0.38ppb
SO2
1.42ppb
NO2
0.31ppm
CO
Petaluma, California
AQI 17
Good
1.43μg/m³
PM2.5
5.41μg/m³
PM10
17.89ppb
O3
0.35ppb
SO2
1.24ppb
NO2
0.28ppm
CO
American Canyon, California
AQI 33
Good
5.63μg/m³
PM2.5
32.40μg/m³
PM10
20.32ppb
O3
0.43ppb
SO2
1.75ppb
NO2
0.32ppm
CO
Rohnert Park, California
AQI 16
Good
2.63μg/m³
PM2.5
11.58μg/m³
PM10
16.87ppb
O3
0.36ppb
SO2
1.04ppb
NO2
0.25ppm
CO
Novato, California
AQI 15
Good
1.51μg/m³
PM2.5
5.50μg/m³
PM10
15.85ppb
O3
0.34ppb
SO2
1.37ppb
NO2
0.28ppm
CO
Vallejo, California
AQI 35
Good
6.22μg/m³
PM2.5
38.20μg/m³
PM10
20.94ppb
O3
0.40ppb
SO2
1.89ppb
NO2
0.30ppm
CO
How accurate is California, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Sonoma, California updated?
Air quality data for Sonoma, California is updated on an hourly basis.
When did Sonoma, California experience the worst air quality in the last 24 hours?
The worst air quality in Sonoma, California was recorded at 03:00:00 on 2026-06-09.
When did Sonoma, California have its best air quality in the last 24 hours?
The best air quality in Sonoma, California was recorded at 03:00:00 on 2026-06-09.
What is the real-time air quality index for Sonoma, California?
The real-time air quality index in Sonoma, California is 19, currently categorized as Good.
Which pollutant is found most often in Sonoma, California?
The most common pollutant in Sonoma, California is O3.
What can I do if the air quality in Sonoma, California is poor?
If the air quality in Sonoma, California is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Sonoma, California?
The measured PM2.5 levels in Sonoma, California at present are 2.304 μg/m3.
What are the current PM10 levels at Sonoma, California?
The current PM10 levels in Sonoma, California are 11.356 μg/m3.
What are the current carbon monoxide (CO) levels at Sonoma, California?
The current carbon monoxide (CO) level in Sonoma, California is 0.279 ppm.
What are the current sulfur dioxide (SO2) levels at Sonoma, California?
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.349 ppb.
What are the current ozone (O3) levels at Sonoma, California?
The current ozone (O3) levels at Sonoma, California is 19.658 ppm.
What are the current nitrogen dioxide (NO2) levels at Sonoma, California?
The current nitrogen dioxide (NO2) levels at Sonoma, California is 1.3 ppb.
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