Honmachi, 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
Honmachi, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Honmachi, Kumamoto, Japan
5 AM2nd Aug 2026
7 PM
4 AM3rd Aug 2026
53AQI
44AQI
58AQI
48AQI
In the last 24 hours,
Honmachi's AQI reached its highest point of 58 at 1 AM during the Night, while the lowest point, 44, was recorded at 5 AM during the Day between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Honmachi, Kumamoto, Japan
24°C22/26°C
24°C22/26°C
26°C23/29°C
27°C23/31°C
26°C22/31°C
27°C22/32°C
27°C23/34°C
28°C23/34°C
27°C24/31°C
27°C24/31°C
27°C25/29°C
27°C25/29°C
27°C25/30°C
28°C25/31°C
28°C25/32°C
28°C26/31°C
28°C25/31°C
28°C25/33°C
28°C26/31°C
28°C25/32°C
28°C25/33°C
29°C25/34°C
29°C25/34°C
28°C25/33°C
27°C25/30°C
28°C25/32°C
28°C24/32°C
28°C25/33°C
29°C25/34°C
29°C25/35°C
35AQI
33AQI
34AQI
31AQI
2026 Days Vs Air Quality
Honmachi, Kumamoto, Japan
86%
185
14%
30
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% 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
Honmachi, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
25AQI (US)
28AQI (US)
39AQI (US)
45AQI (US)
32AQI (US)
40AQI (US)
36AQI (US)
21AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
37AQI (US)
32AQI (US)
46AQI (US)
45AQI (US)
54AQI (US)
58AQI (US)
64AQI (US)
48AQI (US)
17AQI (US)
20AQI (US)
39AQI (US)
51AQI (US)
32AQI (US)
25AQI (US)
39AQI (US)
32AQI (US)
40AQI (US)
37AQI (US)
19AQI (US)
42AQI (US)
39AQI (US)
34AQI (US)
34AQI (US)
41AQI (US)
45AQI (US)
38AQI (US)
18AQI (US)
37AQI (US)
41AQI (US)
44AQI (US)
53AQI (US)
41AQI (US)
47AQI (US)
40AQI (US)
64AQI (US)
37AQI (US)
25AQI (US)
55AQI (US)
37AQI (US)
39AQI (US)
45AQI (US)
40AQI (US)
40AQI (US)
23AQI (US)
17AQI (US)
48AQI (US)
37AQI (US)
35AQI (US)
37AQI (US)
12AQI (US)
26AQI (US)
47AQI (US)
48AQI (US)
47AQI (US)
35AQI (US)
43AQI (US)
55AQI (US)
39AQI (US)
45AQI (US)
37AQI (US)
44AQI (US)
57AQI (US)
47AQI (US)
58AQI (US)
49AQI (US)
24AQI (US)
56AQI (US)
38AQI (US)
42AQI (US)
20AQI (US)
47AQI (US)
33AQI (US)
22AQI (US)
54AQI (US)
81AQI (US)
89AQI (US)
48AQI (US)
25AQI (US)
19AQI (US)
54AQI (US)
48AQI (US)
43AQI (US)
48AQI (US)
53AQI (US)
35AQI (US)
30AQI (US)
33AQI (US)
44AQI (US)
34AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
28AQI (US)
27AQI (US)
52AQI (US)
37AQI (US)
43AQI (US)
32AQI (US)
26AQI (US)
42AQI (US)
47AQI (US)
53AQI (US)
46AQI (US)
35AQI (US)
30AQI (US)
40AQI (US)
51AQI (US)
35AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
32AQI (US)
28AQI (US)
30AQI (US)
35AQI (US)
42AQI (US)
30AQI (US)
30AQI (US)
35AQI (US)
39AQI (US)
77AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
65AQI (US)
69AQI (US)
62AQI (US)
63AQI (US)
55AQI (US)
41AQI (US)
25AQI (US)
25AQI (US)
31AQI (US)
39AQI (US)
29AQI (US)
53AQI (US)
17AQI (US)
18AQI (US)
24AQI (US)
22AQI (US)
37AQI (US)
18AQI (US)
27AQI (US)
19AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
17AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
30AQI (US)
34AQI (US)
39AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
37AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
44AQI (US)
39AQI (US)
33AQI (US)
35AQI (US)
42AQI (US)
26AQI (US)
29AQI (US)
35AQI (US)
24AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
49AQI (US)
58AQI (US)
36AQI (US)
39AQI (US)
43AQI (US)
38AQI (US)
42AQI (US)
25AQI (US)
31AQI (US)
46AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202548AQI (US)
Highest AQI (US) recorded in
October60AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202450AQI (US)
Highest AQI (US) recorded in
January104AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
202350AQI (US)
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
October46AQI (US)
202251AQI (US)
Highest AQI (US) recorded in
July93AQI (US)
Lowest AQI (US) recorded in
December42AQI (US)
202144AQI (US)
Highest AQI (US) recorded in
October53AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
August55AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Honmachi's annual 2026 AQI (US) (37) shows an average percentage change of -22.6% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (44), 2022 (51), 2023 (50), 2024 (50), 2025 (48).