Kisandori, Kudamatsu, Yamaguchi, Japan 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
Kisandori, Kudamatsu, Yamaguchi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Kisandori, Kudamatsu, Yamaguchi, Japan
6 AM15th Oct 2025
5 PM
5 AM16th Oct 2025
AQI
AQI
55AQI
34AQI
In the last 24 hours,
Kisandori's AQI reached its highest point of 55 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kisandori, Kudamatsu, Yamaguchi, Japan
26°C23/30°C
27°C24/30°C
25°C22/28°C
24°C20/27°C
24°C22/26°C
24°C19/28°C
22°C18/27°C
22°C20/24°C
24°C21/27°C
24°C23/26°C
24°C21/28°C
22°C20/25°C
21°C19/23°C
23°C18/27°C
20°C16/25°C
21°C17/25°C
21°C16/25°C
19°C19/20°C
24°C22/26°C
24°C20/28°C
23°C19/26°C
23°C20/27°C
23°C20/27°C
21°C18/26°C
20°C16/25°C
23°C19/27°C
24°C20/28°C
23°C19/28°C
22°C19/26°C
--°C/°C
--°C/°C
47AQI
43AQI
43AQI
43AQI
2025 Days Vs Air Quality
Kisandori, Kudamatsu, Yamaguchi, Japan
54%
155
46%
133
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 54%
Health Risk Level:
Considerable
In 2025, 54% of 288 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Kisandori, Kudamatsu, Yamaguchi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
55AQI
46AQI
33AQI
30AQI
44AQI
31AQI
36AQI
30AQI
30AQI
29AQI
31AQI
40AQI
48AQI
38AQI
37AQI
38AQI
36AQI
44AQI
43AQI
53AQI
67AQI
72AQI
72AQI
45AQI
43AQI
36AQI
35AQI
31AQI
44AQI
47AQI
48AQI
34AQI
46AQI
32AQI
38AQI
31AQI
37AQI
31AQI
31AQI
32AQI
35AQI
36AQI
32AQI
39AQI
32AQI
41AQI
40AQI
35AQI
36AQI
33AQI
36AQI
39AQI
37AQI
40AQI
38AQI
49AQI
69AQI
59AQI
67AQI
56AQI
44AQI
37AQI
33AQI
35AQI
32AQI
39AQI
42AQI
40AQI
42AQI
52AQI
53AQI
45AQI
34AQI
27AQI
37AQI
36AQI
42AQI
51AQI
57AQI
69AQI
70AQI
62AQI
68AQI
67AQI
61AQI
62AQI
58AQI
57AQI
56AQI
57AQI
54AQI
53AQI
54AQI
56AQI
57AQI
56AQI
56AQI
60AQI
61AQI
60AQI
59AQI
58AQI
57AQI
54AQI
57AQI
58AQI
60AQI
59AQI
56AQI
57AQI
56AQI
53AQI
55AQI
64AQI
60AQI
60AQI
58AQI
58AQI
58AQI
57AQI
54AQI
56AQI
54AQI
53AQI
51AQI
53AQI
55AQI
53AQI
54AQI
53AQI
57AQI
59AQI
60AQI
58AQI
58AQI
55AQI
59AQI
60AQI
60AQI
55AQI
57AQI
56AQI
52AQI
49AQI
51AQI
52AQI
52AQI
53AQI
52AQI
54AQI
55AQI
58AQI
53AQI
56AQI
56AQI
58AQI
60AQI
60AQI
60AQI
54AQI
56AQI
57AQI
57AQI
55AQI
54AQI
53AQI
51AQI
49AQI
50AQI
53AQI
54AQI
48AQI
44AQI
45AQI
43AQI
50AQI
52AQI
50AQI
52AQI
54AQI
56AQI
66AQI
82AQI
79AQI
73AQI
61AQI
62AQI
64AQI
71AQI
77AQI
67AQI
62AQI
53AQI
47AQI
55AQI
56AQI
48AQI
44AQI
41AQI
35AQI
31AQI
29AQI
28AQI
29AQI
30AQI
27AQI
27AQI
27AQI
26AQI
27AQI
29AQI
43AQI
43AQI
45AQI
49AQI
47AQI
45AQI
49AQI
48AQI
41AQI
40AQI
31AQI
32AQI
38AQI
41AQI
41AQI
38AQI
39AQI
44AQI
53AQI
50AQI
44AQI
43AQI
44AQI
41AQI
40AQI
43AQI
44AQI
42AQI
48AQI
47AQI
43AQI
40AQI
35AQI
35AQI
29AQI
24AQI
27AQI
31AQI
32AQI
30AQI
31AQI
28AQI
28AQI
30AQI
28AQI
32AQI
40AQI
37AQI
27AQI
27AQI
32AQI
24AQI
25AQI
25AQI
30AQI
25AQI
31AQI
25AQI
38AQI
46AQI
50AQI
57AQI
49AQI
53AQI
55AQI
54AQI
55AQI
54AQI
57AQI
49AQI
54AQI
61AQI
73AQI
46AQI
54AQI
57AQI
42AQI
39AQI
49AQI
57AQI
55AQI
53AQI
49AQI
43AQI
31AQI
55AQI
No. of days
202547AQI
Highest AQI recorded in
April57AQI
Lowest AQI recorded in
September31AQI
202440AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
July31AQI
202337AQI
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
December36AQI
202044AQI
Highest AQI recorded in
September44AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 4 Years
Kisandori's annual 2025 AQI (47) shows an average percentage change of 17.4% (worsened AQI) compared to previous years: 2020 (44), 2023 (37), 2024 (40).