Muromachi, Sakaidecho, Kagawa, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Muromachi, Sakaidecho, Kagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 31st Jul - 1st Aug 2025
Muromachi, Sakaidecho, Kagawa, Japan
5 AM31st Jul 2025
7 PM
4 AM1st Aug 2025
AQI
AQI
61AQI
29AQI
In the last 24 hours,
Muromachi's AQI reached its highest point of 61 at 6 PM during the Night, while the lowest point, 29, was recorded at 10 AM during the Night between 31st Jul and 1st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Muromachi, Sakaidecho, Kagawa, Japan
28°C25/31°C
27°C25/31°C
28°C25/31°C
28°C25/31°C
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
--°C/°C
--°C/°C
54AQI
50AQI
54AQI
54AQI
2025 Days Vs Air Quality
Muromachi, Sakaidecho, Kagawa, Japan
67%
142
32%
68
0.9%
2
Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 212 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
Muromachi, Sakaidecho, Kagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
46AQI
37AQI
32AQI
32AQI
43AQI
32AQI
32AQI
28AQI
27AQI
29AQI
30AQI
34AQI
44AQI
39AQI
34AQI
31AQI
30AQI
39AQI
37AQI
43AQI
55AQI
67AQI
68AQI
44AQI
43AQI
34AQI
36AQI
32AQI
43AQI
56AQI
66AQI
50AQI
52AQI
39AQI
40AQI
32AQI
34AQI
31AQI
31AQI
31AQI
35AQI
40AQI
33AQI
39AQI
31AQI
48AQI
43AQI
39AQI
37AQI
34AQI
33AQI
35AQI
36AQI
36AQI
38AQI
39AQI
66AQI
81AQI
107AQI
95AQI
57AQI
46AQI
35AQI
39AQI
36AQI
38AQI
41AQI
42AQI
39AQI
56AQI
54AQI
45AQI
35AQI
26AQI
38AQI
28AQI
36AQI
43AQI
56AQI
62AQI
67AQI
72AQI
72AQI
78AQI
78AQI
54AQI
48AQI
37AQI
38AQI
36AQI
43AQI
25AQI
37AQI
35AQI
48AQI
43AQI
45AQI
60AQI
62AQI
62AQI
55AQI
43AQI
52AQI
28AQI
46AQI
49AQI
60AQI
61AQI
57AQI
41AQI
48AQI
42AQI
31AQI
58AQI
57AQI
58AQI
55AQI
46AQI
58AQI
57AQI
40AQI
51AQI
37AQI
43AQI
29AQI
35AQI
27AQI
32AQI
33AQI
35AQI
50AQI
55AQI
62AQI
60AQI
59AQI
44AQI
49AQI
56AQI
66AQI
56AQI
38AQI
51AQI
36AQI
27AQI
29AQI
36AQI
42AQI
41AQI
41AQI
40AQI
45AQI
56AQI
31AQI
46AQI
43AQI
55AQI
58AQI
68AQI
46AQI
34AQI
43AQI
64AQI
59AQI
41AQI
33AQI
47AQI
35AQI
48AQI
50AQI
57AQI
56AQI
54AQI
43AQI
42AQI
41AQI
45AQI
53AQI
55AQI
57AQI
60AQI
61AQI
94AQI
96AQI
109AQI
91AQI
69AQI
67AQI
70AQI
78AQI
74AQI
57AQI
52AQI
48AQI
40AQI
50AQI
58AQI
39AQI
39AQI
35AQI
33AQI
35AQI
45AQI
40AQI
39AQI
28AQI
25AQI
25AQI
26AQI
36AQI
42AQI
34AQI
39AQI
41AQI
52AQI
48AQI
44AQI
49AQI
53AQI
No. of days
202546AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
January39AQI
202440AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
December32AQI
202342AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August28AQI
202241AQI
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
December33AQI
202137AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
April31AQI
202038AQI
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 6 Years
Muromachi's annual 2025 AQI (46) shows an average percentage change of 17.8% (worsened AQI) compared to previous years: 2020 (38), 2021 (37), 2022 (41), 2023 (42), 2024 (40).