Takamatsucho, Takamatsu, Kagawa, 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
Takamatsucho, Takamatsu, Kagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Takamatsucho, Takamatsu, Kagawa, Japan
5 AM4th Oct 2025
6 PM
4 AM5th Oct 2025
67AQI
36AQI
63AQI
38AQI
In the last 24 hours,
Takamatsucho's AQI reached its highest point of 67 at 6 AM during the Day, while the lowest point, 36, was recorded at 4 PM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Takamatsucho, Takamatsu, Kagawa, Japan
27°C25/31°C
27°C24/29°C
29°C26/31°C
28°C25/31°C
29°C26/31°C
28°C25/32°C
26°C24/28°C
27°C24/30°C
27°C25/30°C
28°C26/31°C
28°C26/31°C
28°C26/30°C
28°C26/31°C
27°C24/29°C
25°C23/26°C
26°C24/28°C
24°C22/27°C
23°C20/25°C
23°C22/24°C
25°C23/28°C
25°C24/27°C
26°C24/28°C
24°C22/25°C
23°C21/25°C
24°C21/26°C
23°C20/25°C
23°C20/26°C
23°C20/25°C
21°C20/22°C
23°C21/25°C
--°C/°C
35AQI
30AQI
36AQI
33AQI
2025 Days Vs Air Quality
Takamatsucho, Takamatsu, Kagawa, Japan
69%
191
31%
86
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 278 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Takamatsucho, Takamatsu, Kagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
46AQI
37AQI
33AQI
33AQI
40AQI
33AQI
31AQI
28AQI
28AQI
28AQI
30AQI
33AQI
47AQI
40AQI
36AQI
32AQI
32AQI
40AQI
41AQI
44AQI
59AQI
68AQI
68AQI
43AQI
42AQI
37AQI
37AQI
32AQI
44AQI
61AQI
73AQI
50AQI
55AQI
40AQI
42AQI
34AQI
37AQI
32AQI
32AQI
33AQI
35AQI
39AQI
33AQI
40AQI
30AQI
50AQI
44AQI
41AQI
38AQI
35AQI
33AQI
37AQI
37AQI
36AQI
40AQI
40AQI
68AQI
81AQI
95AQI
94AQI
57AQI
47AQI
35AQI
40AQI
36AQI
41AQI
41AQI
42AQI
43AQI
56AQI
56AQI
48AQI
39AQI
27AQI
42AQI
32AQI
40AQI
46AQI
60AQI
64AQI
70AQI
77AQI
80AQI
87AQI
80AQI
57AQI
50AQI
41AQI
40AQI
40AQI
44AQI
27AQI
38AQI
39AQI
49AQI
47AQI
49AQI
62AQI
62AQI
62AQI
56AQI
43AQI
55AQI
30AQI
46AQI
49AQI
59AQI
59AQI
57AQI
44AQI
50AQI
44AQI
35AQI
65AQI
59AQI
62AQI
56AQI
48AQI
61AQI
57AQI
41AQI
52AQI
41AQI
44AQI
30AQI
36AQI
28AQI
37AQI
33AQI
38AQI
51AQI
55AQI
60AQI
59AQI
56AQI
42AQI
48AQI
60AQI
66AQI
52AQI
39AQI
51AQI
40AQI
27AQI
31AQI
36AQI
40AQI
42AQI
40AQI
41AQI
48AQI
52AQI
32AQI
47AQI
46AQI
54AQI
58AQI
68AQI
45AQI
29AQI
38AQI
55AQI
55AQI
37AQI
32AQI
39AQI
35AQI
44AQI
48AQI
52AQI
52AQI
53AQI
45AQI
46AQI
45AQI
44AQI
52AQI
55AQI
55AQI
57AQI
58AQI
78AQI
87AQI
99AQI
90AQI
76AQI
70AQI
72AQI
80AQI
75AQI
64AQI
60AQI
55AQI
48AQI
51AQI
56AQI
44AQI
45AQI
35AQI
32AQI
32AQI
38AQI
35AQI
33AQI
26AQI
25AQI
24AQI
25AQI
31AQI
37AQI
39AQI
45AQI
45AQI
47AQI
60AQI
49AQI
51AQI
46AQI
49AQI
47AQI
45AQI
34AQI
34AQI
40AQI
47AQI
44AQI
43AQI
41AQI
46AQI
47AQI
47AQI
44AQI
43AQI
48AQI
51AQI
53AQI
55AQI
54AQI
52AQI
54AQI
54AQI
53AQI
40AQI
34AQI
41AQI
26AQI
23AQI
27AQI
33AQI
36AQI
34AQI
36AQI
30AQI
31AQI
30AQI
34AQI
37AQI
41AQI
47AQI
30AQI
29AQI
37AQI
25AQI
27AQI
30AQI
26AQI
24AQI
28AQI
29AQI
28AQI
31AQI
27AQI
44AQI
52AQI
52AQI
59AQI
40AQI
42AQI
54AQI
50AQI
44AQI
47AQI
52AQI
47AQI
32AQI
52AQI
No. of days
202546AQI
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
September32AQI
202436AQI
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
September32AQI
202338AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August27AQI
202237AQI
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
August28AQI
202134AQI
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
August30AQI
202033AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Takamatsucho's annual 2025 AQI (46) shows an average percentage change of 28.3% (worsened AQI) compared to previous years: 2020 (33), 2021 (34), 2022 (37), 2023 (38), 2024 (36).