Zentsujicho, 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
Zentsujicho, 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 48 of Good 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
Zentsujicho, Kagawa, Japan
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
85AQI
43AQI
58AQI
42AQI
In the last 24 hours,
Zentsujicho's AQI reached its highest point of 85 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
Zentsujicho, Kagawa, Japan
28°C26/31°C
28°C25/31°C
28°C26/32°C
28°C25/31°C
28°C25/32°C
28°C26/31°C
28°C25/31°C
28°C26/31°C
25°C24/28°C
27°C23/30°C
28°C24/32°C
26°C25/29°C
27°C24/31°C
27°C24/30°C
28°C25/31°C
28°C25/30°C
28°C25/30°C
28°C25/31°C
28°C25/32°C
29°C26/32°C
29°C26/32°C
29°C25/32°C
28°C26/31°C
29°C26/33°C
29°C26/32°C
29°C26/33°C
29°C26/32°C
30°C27/34°C
30°C27/32°C
30°C27/34°C
--°C/°C
50AQI
39AQI
51AQI
44AQI
2025 Days Vs Air Quality
Zentsujicho, Kagawa, Japan
67%
144
32%
70
0.9%
2
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
Zentsujicho, Kagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
46AQI
37AQI
32AQI
31AQI
44AQI
32AQI
33AQI
28AQI
27AQI
28AQI
30AQI
35AQI
44AQI
38AQI
35AQI
31AQI
31AQI
41AQI
37AQI
45AQI
55AQI
65AQI
67AQI
44AQI
42AQI
33AQI
37AQI
31AQI
42AQI
55AQI
63AQI
46AQI
50AQI
40AQI
40AQI
32AQI
34AQI
32AQI
31AQI
31AQI
36AQI
38AQI
33AQI
37AQI
32AQI
45AQI
43AQI
38AQI
37AQI
33AQI
33AQI
35AQI
35AQI
36AQI
39AQI
40AQI
63AQI
74AQI
92AQI
87AQI
55AQI
47AQI
34AQI
39AQI
35AQI
39AQI
44AQI
43AQI
42AQI
49AQI
55AQI
46AQI
36AQI
25AQI
39AQI
28AQI
39AQI
44AQI
58AQI
63AQI
68AQI
71AQI
72AQI
76AQI
76AQI
54AQI
50AQI
39AQI
39AQI
38AQI
42AQI
27AQI
36AQI
40AQI
47AQI
45AQI
44AQI
59AQI
61AQI
62AQI
56AQI
43AQI
51AQI
29AQI
46AQI
50AQI
61AQI
60AQI
57AQI
43AQI
48AQI
43AQI
35AQI
57AQI
57AQI
57AQI
53AQI
47AQI
58AQI
55AQI
41AQI
51AQI
39AQI
43AQI
28AQI
35AQI
28AQI
34AQI
34AQI
37AQI
51AQI
55AQI
62AQI
60AQI
60AQI
45AQI
51AQI
56AQI
65AQI
55AQI
40AQI
52AQI
37AQI
28AQI
30AQI
38AQI
44AQI
44AQI
42AQI
41AQI
46AQI
54AQI
32AQI
47AQI
45AQI
56AQI
60AQI
68AQI
49AQI
35AQI
43AQI
59AQI
59AQI
42AQI
34AQI
43AQI
38AQI
48AQI
51AQI
57AQI
56AQI
52AQI
46AQI
44AQI
43AQI
46AQI
53AQI
56AQI
58AQI
60AQI
61AQI
92AQI
101AQI
108AQI
92AQI
71AQI
68AQI
70AQI
76AQI
75AQI
57AQI
55AQI
50AQI
42AQI
51AQI
57AQI
43AQI
38AQI
36AQI
34AQI
37AQI
43AQI
41AQI
40AQI
30AQI
27AQI
26AQI
28AQI
38AQI
44AQI
42AQI
44AQI
43AQI
45AQI
48AQI
39AQI
40AQI
51AQI
48AQI
45AQI
49AQI
54AQI
45AQI
No. of days
202547AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
January39AQI
202442AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
December32AQI
202345AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
August32AQI
202245AQI
Highest AQI recorded in
May54AQI
Lowest AQI recorded in
August32AQI
202146AQI
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
December42AQI
202047AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
September37AQI
Most & Least Polluted Years Over the Last 6 Years
Zentsujicho's annual 2025 AQI (47) shows an average percentage change of 4.2% (worsened AQI) compared to previous years: 2020 (47), 2021 (46), 2022 (45), 2023 (45), 2024 (42).