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 (31st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Honmachi, Kumamoto, Japan
59%
125
41%
87
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2025, 59% of 213 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Honmachi, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
48AQI
43AQI
38AQI
38AQI
44AQI
32AQI
38AQI
30AQI
32AQI
29AQI
36AQI
44AQI
46AQI
49AQI
42AQI
49AQI
50AQI
57AQI
50AQI
72AQI
72AQI
71AQI
71AQI
54AQI
45AQI
39AQI
36AQI
33AQI
36AQI
43AQI
41AQI
34AQI
47AQI
32AQI
39AQI
32AQI
34AQI
31AQI
32AQI
31AQI
41AQI
40AQI
35AQI
40AQI
32AQI
37AQI
46AQI
35AQI
39AQI
36AQI
38AQI
43AQI
38AQI
42AQI
37AQI
39AQI
64AQI
50AQI
53AQI
46AQI
41AQI
32AQI
32AQI
33AQI
36AQI
43AQI
45AQI
51AQI
42AQI
49AQI
55AQI
48AQI
37AQI
33AQI
50AQI
44AQI
38AQI
50AQI
52AQI
62AQI
59AQI
45AQI
62AQI
64AQI
63AQI
66AQI
63AQI
60AQI
61AQI
61AQI
54AQI
55AQI
54AQI
57AQI
57AQI
54AQI
53AQI
61AQI
57AQI
62AQI
63AQI
58AQI
63AQI
49AQI
59AQI
56AQI
58AQI
58AQI
53AQI
57AQI
49AQI
45AQI
50AQI
58AQI
58AQI
58AQI
55AQI
57AQI
60AQI
55AQI
51AQI
51AQI
50AQI
51AQI
47AQI
49AQI
57AQI
46AQI
51AQI
54AQI
59AQI
60AQI
62AQI
61AQI
64AQI
48AQI
54AQI
58AQI
51AQI
44AQI
47AQI
55AQI
47AQI
47AQI
49AQI
52AQI
56AQI
56AQI
52AQI
54AQI
55AQI
58AQI
44AQI
55AQI
55AQI
58AQI
63AQI
67AQI
44AQI
41AQI
46AQI
49AQI
55AQI
46AQI
45AQI
45AQI
43AQI
42AQI
41AQI
38AQI
35AQI
21AQI
21AQI
29AQI
29AQI
28AQI
31AQI
32AQI
38AQI
49AQI
68AQI
95AQI
92AQI
93AQI
74AQI
62AQI
57AQI
62AQI
66AQI
58AQI
46AQI
43AQI
42AQI
39AQI
46AQI
56AQI
52AQI
37AQI
37AQI
34AQI
33AQI
40AQI
42AQI
32AQI
26AQI
24AQI
23AQI
24AQI
25AQI
30AQI
26AQI
45AQI
39AQI
49AQI
56AQI
53AQI
43AQI
48AQI
No. of days
202548AQI
Highest AQI recorded in
April56AQI
Lowest AQI recorded in
February39AQI
202450AQI
Highest AQI recorded in
January104AQI
Lowest AQI recorded in
July34AQI
202350AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
October46AQI
202251AQI
Highest AQI recorded in
July93AQI
Lowest AQI recorded in
December42AQI
202144AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
July34AQI
202045AQI
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
July32AQI
Most & Least Polluted Years Over the Last 6 Years
Honmachi's annual 2025 AQI (48) shows an average percentage change of 0.04% (worsened AQI) compared to previous years: 2020 (45), 2021 (44), 2022 (51), 2023 (50), 2024 (50).
