Live 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)
24
Good
Sonoma, California
Last updated: ... (Local time)
Major air pollutants in Sonoma, California
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
1.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
17.75 μg/m³
0
55
155
255
425
605+
Ozone (O3)
25.84 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.42 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.37 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
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 23
Good
1.94μg/m³
PM2.5
4.30μg/m³
PM10
25.41ppb
O3
0.40ppb
SO2
1.84ppb
NO2
0.31ppm
CO
Petaluma, California
AQI 24
Good
2.64μg/m³
PM2.5
17.31μg/m³
PM10
26.15ppb
O3
0.42ppb
SO2
2.00ppb
NO2
0.26ppm
CO
American Canyon, California
AQI 26
Good
3.51μg/m³
PM2.5
15.98μg/m³
PM10
27.51ppb
O3
0.31ppb
SO2
1.72ppb
NO2
0.30ppm
CO
Rohnert Park, California
AQI 27
Good
5.49μg/m³
PM2.5
15.75μg/m³
PM10
25.16ppb
O3
0.42ppb
SO2
1.33ppb
NO2
0.24ppm
CO
Novato, California
AQI 25
Good
1.87μg/m³
PM2.5
17.64μg/m³
PM10
27.00ppb
O3
0.44ppb
SO2
2.23ppb
NO2
0.26ppm
CO
Vallejo, California
AQI 26
Good
4.14μg/m³
PM2.5
18.74μg/m³
PM10
27.97ppb
O3
0.21ppb
SO2
1.52ppb
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 10:00:00 on 2025-06-05.
When did Sonoma, California have its best air quality in the last 24 hours?
The best air quality in Sonoma, California was recorded at 08:00:00 on 2025-06-06.
What is the real-time air quality index for Sonoma, California?
The real-time air quality index in Sonoma, California is 24, 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 1.697 μg/m3.
What are the current PM10 levels at Sonoma, California?
The current PM10 levels in Sonoma, California are 17.751 μg/m3.
What are the current carbon monoxide (CO) levels at Sonoma, California?
The current carbon monoxide (CO) level in Sonoma, California is 0.27 ppm.
What are the current sulfur dioxide (SO2) levels at Sonoma, California?
The current sulfur dioxide (SO2) levels in Sonoma, California are 0.417 ppb.
What are the current ozone (O3) levels at Sonoma, California?
The current ozone (O3) levels at Sonoma, California is 25.836 ppm.
What are the current nitrogen dioxide (NO2) levels at Sonoma, California?
The current nitrogen dioxide (NO2) levels at Sonoma, California is 1.369 ppb.
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