Stockton, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Stockton, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Stockton, California, United States
6 AM10th Aug 2025
8 PM
5 AM11th Aug 2025
40AQI
32AQI
35AQI
29AQI
In the last 24 hours,
Stockton's AQI reached its highest point of 40 at 6 AM during the Day, while the lowest point, 29, was recorded at 3 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Stockton, California, United States
26°C16/40°C
25°C13/40°C
26°C13/42°C
23°C14/37°C
21°C12/34°C
22°C13/36°C
23°C13/37°C
22°C11/37°C
22°C12/36°C
20°C13/31°C
19°C13/27°C
20°C13/32°C
21°C12/32°C
21°C13/33°C
20°C12/32°C
21°C12/33°C
23°C13/37°C
25°C15/40°C
22°C13/37°C
24°C13/37°C
24°C13/38°C
23°C13/37°C
23°C13/36°C
22°C12/36°C
22°C12/36°C
26°C15/40°C
27°C16/40°C
28°C15/43°C
29°C18/43°C
28°C16/44°C
--°C/°C
43AQI
43AQI
43AQI
43AQI
2025 Days Vs Air Quality
Stockton, California, United States
94%
130
6%
8
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Stockton, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
32AQI
30AQI
22AQI
30AQI
29AQI
27AQI
24AQI
31AQI
24AQI
26AQI
36AQI
20AQI
20AQI
32AQI
33AQI
26AQI
37AQI
41AQI
37AQI
38AQI
40AQI
30AQI
38AQI
45AQI
38AQI
42AQI
47AQI
54AQI
52AQI
30AQI
20AQI
27AQI
36AQI
48AQI
47AQI
50AQI
38AQI
30AQI
37AQI
35AQI
36AQI
53AQI
49AQI
46AQI
34AQI
32AQI
25AQI
23AQI
29AQI
41AQI
48AQI
37AQI
34AQI
33AQI
28AQI
40AQI
40AQI
31AQI
42AQI
31AQI
22AQI
34AQI
36AQI
27AQI
37AQI
44AQI
48AQI
55AQI
43AQI
51AQI
48AQI
30AQI
34AQI
27AQI
26AQI
32AQI
51AQI
54AQI
50AQI
45AQI
45AQI
46AQI
41AQI
40AQI
45AQI
49AQI
39AQI
31AQI
38AQI
29AQI
28AQI
31AQI
38AQI
42AQI
34AQI
31AQI
33AQI
33AQI
44AQI
38AQI
44AQI
34AQI
30AQI
23AQI
22AQI
37AQI
51AQI
50AQI
36AQI
28AQI
28AQI
28AQI
22AQI
23AQI
25AQI
26AQI
31AQI
21AQI
20AQI
19AQI
20AQI
21AQI
18AQI
25AQI
32AQI
30AQI
32AQI
35AQI
29AQI
34AQI
42AQI
29AQI
38AQI
35AQI
38AQI
40AQI
32AQI
30AQI
35AQI
36AQI
40AQI
30AQI
35AQI
No. of days
202535AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
July30AQI
Most & Least Polluted Years Over the Last 1 Years
Stockton's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .