Yumeimachi, Arao, 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
Yumeimachi, Arao, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 40 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: 11th Aug - 12th Aug 2025
Yumeimachi, Arao, Kumamoto, Japan
5 AM11th Aug 2025
7 PM
4 AM12th Aug 2025
AQI
AQI
42AQI
12AQI
In the last 24 hours,
Yumeimachi's AQI reached its highest point of 42 at 5 AM during the Night, while the lowest point, 12, was recorded at 10 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yumeimachi, Arao, Kumamoto, Japan
28°C26/32°C
26°C24/28°C
26°C23/30°C
27°C23/31°C
28°C25/32°C
25°C24/25°C
27°C24/31°C
28°C24/32°C
29°C26/33°C
30°C26/34°C
30°C26/35°C
30°C26/36°C
30°C26/36°C
30°C27/35°C
30°C27/35°C
31°C26/36°C
31°C26/36°C
31°C26/36°C
31°C25/36°C
31°C27/35°C
31°C27/37°C
30°C27/34°C
29°C27/33°C
30°C27/33°C
30°C27/34°C
27°C26/30°C
26°C25/28°C
25°C25/26°C
26°C26/27°C
--°C/°C
--°C/°C
39AQI
32AQI
40AQI
36AQI
2025 Days Vs Air Quality
Yumeimachi, Arao, Kumamoto, Japan
69%
153
31%
69
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 223 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
Yumeimachi, Arao, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI
50AQI
40AQI
40AQI
44AQI
59AQI
39AQI
48AQI
31AQI
37AQI
33AQI
39AQI
44AQI
49AQI
47AQI
44AQI
57AQI
57AQI
60AQI
65AQI
75AQI
84AQI
77AQI
78AQI
52AQI
47AQI
44AQI
40AQI
36AQI
42AQI
50AQI
45AQI
38AQI
51AQI
32AQI
45AQI
33AQI
40AQI
31AQI
35AQI
33AQI
47AQI
40AQI
38AQI
47AQI
33AQI
48AQI
43AQI
39AQI
39AQI
37AQI
37AQI
42AQI
41AQI
42AQI
43AQI
46AQI
64AQI
60AQI
61AQI
40AQI
34AQI
27AQI
30AQI
31AQI
36AQI
47AQI
47AQI
55AQI
52AQI
56AQI
57AQI
43AQI
36AQI
34AQI
54AQI
46AQI
44AQI
58AQI
57AQI
68AQI
66AQI
53AQI
68AQI
64AQI
49AQI
64AQI
54AQI
45AQI
49AQI
49AQI
44AQI
44AQI
45AQI
49AQI
48AQI
46AQI
42AQI
56AQI
44AQI
57AQI
56AQI
54AQI
58AQI
36AQI
53AQI
47AQI
52AQI
54AQI
42AQI
47AQI
37AQI
30AQI
37AQI
52AQI
51AQI
53AQI
42AQI
53AQI
53AQI
47AQI
47AQI
44AQI
43AQI
45AQI
38AQI
38AQI
52AQI
32AQI
44AQI
48AQI
54AQI
58AQI
60AQI
61AQI
66AQI
45AQI
53AQI
54AQI
42AQI
32AQI
37AQI
43AQI
27AQI
34AQI
38AQI
46AQI
51AQI
51AQI
49AQI
48AQI
57AQI
54AQI
36AQI
48AQI
50AQI
55AQI
65AQI
69AQI
38AQI
33AQI
44AQI
44AQI
48AQI
31AQI
31AQI
35AQI
32AQI
36AQI
42AQI
32AQI
29AQI
25AQI
20AQI
27AQI
29AQI
28AQI
31AQI
30AQI
37AQI
52AQI
72AQI
94AQI
85AQI
86AQI
64AQI
54AQI
54AQI
61AQI
69AQI
55AQI
44AQI
40AQI
40AQI
38AQI
48AQI
58AQI
58AQI
36AQI
36AQI
35AQI
36AQI
48AQI
48AQI
33AQI
28AQI
25AQI
23AQI
26AQI
27AQI
29AQI
33AQI
44AQI
47AQI
48AQI
42AQI
43AQI
45AQI
47AQI
38AQI
35AQI
40AQI
50AQI
42AQI
49AQI
48AQI
46AQI
40AQI
48AQI
43AQI
No. of days
202546AQI
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
June40AQI
202451AQI
Highest AQI recorded in
August84AQI
Lowest AQI recorded in
July33AQI
202347AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August35AQI
202247AQI
Highest AQI recorded in
May53AQI
Lowest AQI recorded in
August35AQI
202146AQI
Highest AQI recorded in
May56AQI
Lowest AQI recorded in
August30AQI
202046AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
July31AQI
Most & Least Polluted Years Over the Last 6 Years
Yumeimachi's annual 2025 AQI (46) shows an average percentage change of -2.7% (improved AQI) compared to previous years: 2020 (46), 2021 (46), 2022 (47), 2023 (47), 2024 (51).