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)
33
Good
Stockton, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.95 μg/m³
0
55
155
255
425
605+
15.00 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
7.19 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stockton, California
Stockton, California
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AQI 33
Good
6.22μg/m³
PM2.5
16.44μg/m³
PM10
14.97ppb
O3
0.55ppb
SO2
7.11ppb
NO2
0.23ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
16.47μg/m³
PM10
14.94ppb
O3
0.55ppb
SO2
7.13ppb
NO2
0.23ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
13.20μg/m³
PM10
14.07ppb
O3
0.54ppb
SO2
6.70ppb
NO2
0.24ppm
CO
AQI 27
Good
4.62μg/m³
PM2.5
12.11μg/m³
PM10
13.59ppb
O3
0.54ppb
SO2
7.02ppb
NO2
0.23ppm
CO
AQI 33
Good
6.41μg/m³
PM2.5
26.68μg/m³
PM10
16.43ppb
O3
0.55ppb
SO2
6.26ppb
NO2
0.25ppm
CO
AQI 14
Good
1.84μg/m³
PM2.5
8.08μg/m³
PM10
15.12ppb
O3
0.55ppb
SO2
5.29ppb
NO2
0.28ppm
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 04:00:00 on 2026-07-27.
In the last 24 hours, the best air quality in Stockton, California was observed at 09:00:00 on 2026-07-27.
As of now, the AQI in Stockton, California is 33, indicating Good 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 6.475 μg/m3.
The PM10 concentration in Stockton, California is 16.948 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stockton, California is 0.231 ppm.
Currently, Stockton, California has a sulfur dioxide (SO2) concentration of 0.552 ppb.
The current ozone (O3) level in Stockton, California at the moment is 14.996 ppm.
Nitrogen dioxide (NO2) level in Stockton, California at the moment is 7.192 ppb.
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