Stay updated with real-time air quality in Petaluma, 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)
25
Good
Petaluma, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.09 μg/m³
0
55
155
255
425
605+
26.93 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
2.52 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Petaluma, California
Petaluma, California
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AQI 27
Good
4.68μg/m³
PM2.5
18.81μg/m³
PM10
25.85ppb
O3
0.61ppb
SO2
3.53ppb
NO2
0.14ppm
CO
AQI 44
Good
8.03μg/m³
PM2.5
28.86μg/m³
PM10
28.12ppb
O3
0.62ppb
SO2
2.92ppb
NO2
0.14ppm
CO
AQI 27
Good
4.86μg/m³
PM2.5
16.74μg/m³
PM10
27.47ppb
O3
0.61ppb
SO2
3.02ppb
NO2
0.14ppm
CO
AQI 27
Good
5.30μg/m³
PM2.5
16.75μg/m³
PM10
25.92ppb
O3
0.61ppb
SO2
3.53ppb
NO2
0.14ppm
CO
AQI 44
Good
7.59μg/m³
PM2.5
12.17μg/m³
PM10
24.29ppb
O3
0.62ppb
SO2
2.94ppb
NO2
0.14ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
11.75μg/m³
PM10
24.03ppb
O3
0.62ppb
SO2
2.94ppb
NO2
0.14ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Petaluma, California is updated every hour.
The worst air quality in Petaluma, California in the last 24 hours was observed at 06:00:00 on 2026-06-12.
In the last 24 hrs, the best air quality in Petaluma, California was observed at 08:00:00 on 2026-06-13.
The current air quality in Petaluma, California is 38, categorized as Good based on real-time data.
The most common pollutant in Petaluma, California is PM2.5.
If the air quality in Petaluma, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Petaluma, California is 6.814 μg/m3.
The current PM10 concentration at Petaluma, California is 30.237 μg/m3.
The current carbon monoxide (CO) concentration at Petaluma, California is 0.136 ppm.
The current sulfur dioxide (SO2) concentration at Petaluma, California is 0.617 ppb.
The current ozone (O3) concentration at Petaluma, California is 26.653 ppm.
The current nitrogen dioxide (NO2) concentration at Petaluma, California is 2.932 ppb.
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