Civic Center, 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!
October Air Quality Analysis
Civic Center, Stockton, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
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: 3rd Oct - 4th Oct 2025
Civic Center, Stockton, California, United States
6 AM3rd Oct 2025
7 PM
5 AM4th Oct 2025
47AQI
9AQI
51AQI
23AQI
In the last 24 hours,
Civic Center's AQI reached its highest point of 51 at 2 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Civic Center, Stockton, California, United States
22°C14/35°C
21°C13/31°C
21°C14/31°C
22°C14/35°C
22°C15/31°C
22°C17/32°C
21°C17/28°C
21°C15/31°C
22°C14/33°C
22°C13/32°C
22°C14/32°C
25°C13/38°C
27°C17/41°C
27°C17/41°C
25°C20/35°C
25°C19/35°C
23°C14/36°C
25°C17/36°C
26°C17/37°C
27°C17/40°C
25°C20/34°C
24°C19/31°C
23°C14/35°C
23°C17/33°C
20°C16/26°C
21°C17/26°C
21°C16/26°C
21°C16/28°C
19°C15/24°C
18°C14/24°C
--°C/°C
37AQI
37AQI
36AQI
36AQI
2025 Days Vs Air Quality
Civic Center, Stockton, California, United States
95%
182
5%
10
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 277 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
Civic Center, 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
34AQI
26AQI
22AQI
40AQI
19AQI
18AQI
21AQI
26AQI
34AQI
39AQI
54AQI
40AQI
30AQI
34AQI
36AQI
48AQI
39AQI
30AQI
31AQI
32AQI
32AQI
43AQI
34AQI
28AQI
30AQI
39AQI
31AQI
23AQI
17AQI
22AQI
32AQI
36AQI
44AQI
39AQI
35AQI
45AQI
39AQI
40AQI
43AQI
42AQI
38AQI
38AQI
43AQI
49AQI
33AQI
41AQI
53AQI
48AQI
38AQI
37AQI
26AQI
25AQI
32AQI
30AQI
35AQI
36AQI
40AQI
30AQI
33AQI
37AQI
28AQI
No. of days
202535AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
October28AQI
Most & Least Polluted Years Over the Last 1 Years
Civic Center's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .