Stay updated with real-time air quality in Stockton, 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)
52
Moderate
Stockton, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.13 μg/m³
0
55
155
255
425
605+
28.04 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
10.78 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stockton, California
Stockton, California
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AQI 52
Moderate
9.93μg/m³
PM2.5
19.85μg/m³
PM10
28.51ppb
O3
0.53ppb
SO2
10.51ppb
NO2
0.14ppm
CO
AQI 52
Moderate
9.92μg/m³
PM2.5
20.14μg/m³
PM10
28.44ppb
O3
0.53ppb
SO2
10.54ppb
NO2
0.14ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
25.47μg/m³
PM10
33.34ppb
O3
0.53ppb
SO2
8.29ppb
NO2
0.15ppm
CO
AQI 31
Good
4.53μg/m³
PM2.5
17.43μg/m³
PM10
34.50ppb
O3
0.54ppb
SO2
8.58ppb
NO2
0.15ppm
CO
AQI 56
Moderate
12.41μg/m³
PM2.5
41.43μg/m³
PM10
33.80ppb
O3
0.52ppb
SO2
5.06ppb
NO2
0.14ppm
CO
AQI 64
Moderate
16.04μg/m³
PM2.5
60.29μg/m³
PM10
32.96ppb
O3
0.54ppb
SO2
5.27ppb
NO2
0.15ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Stockton, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Stockton, California was at its worst at 10:00:00 on 2026-06-13.
In the last 24 hours, the best air quality in Stockton, California was observed at 07:00:00 on 2026-06-13.
As of now, the AQI in Stockton, California is 52, indicating Moderate conditions.
Stockton, California air has the highest levels of PM2.5.
Poor air quality in Stockton, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Stockton, California are currently 10 μg/m3.
The PM10 concentration in Stockton, California is 19.127 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stockton, California is 0.144 ppm.
Currently, Stockton, California has a sulfur dioxide (SO2) concentration of 0.527 ppb.
The current ozone (O3) level in Stockton, California at the moment is 28.038 ppm.
Nitrogen dioxide (NO2) level in Stockton, California at the moment is 10.775 ppb.
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