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)
44
Good
Stockton, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.96 μg/m³
0
55
155
255
425
605+
13.99 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
5.20 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stockton, California
Stockton, California
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AQI 16
Good
2.60μg/m³
PM2.5
5.14μg/m³
PM10
16.06ppb
O3
1.13ppb
SO2
2.56ppb
NO2
0.19ppm
CO
AQI 16
Good
2.60μg/m³
PM2.5
5.08μg/m³
PM10
16.05ppb
O3
1.12ppb
SO2
2.57ppb
NO2
0.19ppm
CO
AQI 16
Good
2.56μg/m³
PM2.5
5.31μg/m³
PM10
16.34ppb
O3
1.08ppb
SO2
2.42ppb
NO2
0.17ppm
CO
AQI 16
Good
2.50μg/m³
PM2.5
5.01μg/m³
PM10
16.57ppb
O3
1.05ppb
SO2
2.41ppb
NO2
0.16ppm
CO
AQI 16
Good
2.23μg/m³
PM2.5
14.99μg/m³
PM10
16.96ppb
O3
1.11ppb
SO2
1.96ppb
NO2
0.20ppm
CO
AQI 13
Good
2.21μg/m³
PM2.5
5.64μg/m³
PM10
14.45ppb
O3
1.08ppb
SO2
2.44ppb
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 06:00:00 on 2025-07-26.
In the last 24 hours, the best air quality in Stockton, California was observed at 03:00:00 on 2025-07-27.
As of now, the AQI in Stockton, California is 16, 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 2.6 μg/m3.
The PM10 concentration in Stockton, California is 5.01 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stockton, California is 0.188 ppm.
Currently, Stockton, California has a sulfur dioxide (SO2) concentration of 1.118 ppb.
The current ozone (O3) level in Stockton, California at the moment is 16.005 ppm.
Nitrogen dioxide (NO2) level in Stockton, California at the moment is 2.597 ppb.
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