Takamatsu, Kagawa, Japan 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
Takamatsu, Kagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Takamatsu, Kagawa, Japan
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
87AQI
44AQI
60AQI
42AQI
In the last 24 hours,
Takamatsu's AQI reached its highest point of 87 at 11 AM during the Day, while the lowest point, 42, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Takamatsu, Kagawa, Japan
28°C25/31°C
28°C25/31°C
28°C26/32°C
28°C25/31°C
29°C25/32°C
28°C25/31°C
28°C25/31°C
28°C25/32°C
26°C24/28°C
27°C23/31°C
28°C24/32°C
26°C24/27°C
27°C24/31°C
27°C24/31°C
28°C24/31°C
28°C25/30°C
28°C25/30°C
28°C25/31°C
29°C25/32°C
29°C26/33°C
29°C26/33°C
29°C25/34°C
29°C25/32°C
29°C26/32°C
29°C26/33°C
29°C26/33°C
30°C26/33°C
30°C27/34°C
30°C27/33°C
30°C27/33°C
--°C/°C
51AQI
36AQI
50AQI
45AQI
2025 Days Vs Air Quality
Takamatsu, Kagawa, Japan
67%
144
33%
71
0.4%
1
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 217 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Takamatsu, Kagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
44AQI
36AQI
32AQI
33AQI
39AQI
33AQI
30AQI
28AQI
28AQI
28AQI
30AQI
34AQI
46AQI
39AQI
36AQI
32AQI
31AQI
40AQI
41AQI
44AQI
59AQI
67AQI
67AQI
43AQI
42AQI
36AQI
37AQI
32AQI
43AQI
60AQI
69AQI
49AQI
53AQI
40AQI
41AQI
33AQI
36AQI
31AQI
32AQI
32AQI
36AQI
40AQI
33AQI
41AQI
30AQI
48AQI
43AQI
40AQI
37AQI
34AQI
33AQI
36AQI
37AQI
35AQI
39AQI
39AQI
65AQI
80AQI
93AQI
90AQI
55AQI
46AQI
35AQI
39AQI
36AQI
39AQI
41AQI
43AQI
43AQI
56AQI
55AQI
47AQI
38AQI
26AQI
41AQI
31AQI
38AQI
45AQI
59AQI
63AQI
69AQI
76AQI
79AQI
84AQI
79AQI
55AQI
49AQI
40AQI
40AQI
38AQI
44AQI
27AQI
38AQI
38AQI
49AQI
46AQI
46AQI
61AQI
61AQI
61AQI
56AQI
42AQI
55AQI
29AQI
45AQI
49AQI
59AQI
58AQI
58AQI
44AQI
48AQI
43AQI
34AQI
61AQI
58AQI
61AQI
56AQI
48AQI
61AQI
57AQI
41AQI
51AQI
40AQI
43AQI
29AQI
34AQI
28AQI
35AQI
32AQI
36AQI
50AQI
55AQI
61AQI
59AQI
56AQI
42AQI
49AQI
58AQI
66AQI
52AQI
38AQI
50AQI
39AQI
28AQI
31AQI
36AQI
39AQI
40AQI
40AQI
39AQI
47AQI
52AQI
31AQI
46AQI
46AQI
53AQI
59AQI
69AQI
45AQI
30AQI
39AQI
57AQI
54AQI
36AQI
32AQI
41AQI
34AQI
45AQI
48AQI
53AQI
52AQI
52AQI
44AQI
45AQI
43AQI
43AQI
52AQI
55AQI
56AQI
58AQI
59AQI
83AQI
88AQI
101AQI
89AQI
73AQI
70AQI
73AQI
80AQI
76AQI
62AQI
57AQI
53AQI
46AQI
51AQI
58AQI
43AQI
42AQI
38AQI
35AQI
35AQI
39AQI
36AQI
34AQI
29AQI
26AQI
26AQI
27AQI
33AQI
38AQI
40AQI
44AQI
44AQI
46AQI
54AQI
40AQI
42AQI
53AQI
49AQI
44AQI
47AQI
53AQI
47AQI
No. of days
202547AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
January40AQI
202438AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
December32AQI
202340AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August28AQI
202240AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
October33AQI
202137AQI
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
April33AQI
202037AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Takamatsu's annual 2025 AQI (47) shows an average percentage change of 21.7% (worsened AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (40), 2023 (40), 2024 (38).