Mitsuhashimachi Imakoga, Miyajima, Kumamoto, 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
Mitsuhashimachi Imakoga, Miyajima, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Mitsuhashimachi Imakoga, Miyajima, Kumamoto, Japan
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
AQI
AQI
60AQI
41AQI
In the last 24 hours,
Mitsuhashimachi Imakoga's AQI reached its highest point of 60 at 7 PM during the Night, while the lowest point, 41, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mitsuhashimachi Imakoga, Miyajima, Kumamoto, Japan
29°C26/33°C
29°C26/34°C
30°C25/35°C
30°C27/36°C
30°C26/35°C
30°C26/35°C
30°C28/34°C
29°C26/34°C
28°C26/33°C
26°C24/29°C
26°C23/30°C
27°C23/31°C
28°C24/33°C
25°C24/25°C
27°C24/32°C
28°C24/33°C
29°C26/34°C
30°C26/35°C
31°C26/36°C
31°C26/36°C
31°C26/36°C
30°C27/35°C
30°C27/35°C
31°C26/37°C
31°C26/37°C
31°C27/37°C
31°C26/37°C
32°C27/37°C
32°C27/38°C
--°C/°C
--°C/°C
45AQI
33AQI
46AQI
37AQI
2025 Days Vs Air Quality
Mitsuhashimachi Imakoga, Miyajima, Kumamoto, Japan
78%
167
22%
48
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Mitsuhashimachi Imakoga, Miyajima, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
44AQI
34AQI
38AQI
46AQI
57AQI
33AQI
43AQI
27AQI
33AQI
30AQI
36AQI
41AQI
47AQI
45AQI
41AQI
55AQI
54AQI
55AQI
63AQI
79AQI
84AQI
74AQI
78AQI
47AQI
46AQI
42AQI
37AQI
33AQI
36AQI
47AQI
41AQI
36AQI
45AQI
28AQI
40AQI
30AQI
36AQI
29AQI
31AQI
30AQI
41AQI
42AQI
34AQI
40AQI
30AQI
40AQI
38AQI
35AQI
33AQI
33AQI
32AQI
38AQI
37AQI
35AQI
37AQI
44AQI
64AQI
59AQI
58AQI
39AQI
41AQI
28AQI
33AQI
30AQI
34AQI
40AQI
43AQI
48AQI
45AQI
52AQI
54AQI
36AQI
33AQI
30AQI
48AQI
43AQI
38AQI
53AQI
52AQI
62AQI
58AQI
49AQI
58AQI
56AQI
45AQI
60AQI
52AQI
40AQI
42AQI
40AQI
34AQI
34AQI
37AQI
41AQI
42AQI
41AQI
38AQI
52AQI
39AQI
56AQI
50AQI
49AQI
51AQI
34AQI
48AQI
40AQI
48AQI
49AQI
39AQI
42AQI
33AQI
27AQI
32AQI
47AQI
45AQI
50AQI
39AQI
50AQI
51AQI
45AQI
40AQI
40AQI
39AQI
41AQI
33AQI
35AQI
47AQI
30AQI
38AQI
46AQI
52AQI
55AQI
58AQI
56AQI
63AQI
39AQI
49AQI
51AQI
39AQI
31AQI
34AQI
40AQI
25AQI
30AQI
35AQI
42AQI
49AQI
49AQI
46AQI
43AQI
55AQI
53AQI
36AQI
44AQI
51AQI
53AQI
73AQI
67AQI
39AQI
32AQI
39AQI
40AQI
40AQI
29AQI
27AQI
30AQI
26AQI
29AQI
32AQI
28AQI
25AQI
19AQI
19AQI
24AQI
23AQI
24AQI
25AQI
25AQI
30AQI
45AQI
67AQI
82AQI
70AQI
75AQI
59AQI
48AQI
48AQI
56AQI
63AQI
57AQI
44AQI
39AQI
38AQI
37AQI
42AQI
53AQI
53AQI
34AQI
32AQI
30AQI
32AQI
43AQI
42AQI
30AQI
26AQI
24AQI
23AQI
23AQI
24AQI
26AQI
31AQI
46AQI
47AQI
41AQI
47AQI
38AQI
45AQI
43AQI
43AQI
36AQI
44AQI
45AQI
No. of days
202542AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
June36AQI
202436AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
July19AQI
202340AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
August26AQI
202246AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
July34AQI
202145AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
August31AQI
202041AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
July23AQI
Most & Least Polluted Years Over the Last 6 Years
Mitsuhashimachi Imakoga's annual 2025 AQI (42) shows an average percentage change of 2.2% (worsened AQI) compared to previous years: 2020 (41), 2021 (45), 2022 (46), 2023 (40), 2024 (36).