Tamana, 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
Tamana, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Tamana, Kumamoto, Japan
5 AM6th Aug 2026
7 PM
4 AM7th Aug 2026
27AQI
11AQI
25AQI
21AQI
In the last 24 hours,
Tamana's AQI reached its highest point of 27 at 5 PM during the Day, while the lowest point, 11, was recorded at 10 AM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Tamana, Kumamoto, Japan
28°C24/31°C
28°C24/33°C
29°C25/34°C
30°C26/34°C
29°C26/32°C
28°C25/31°C
28°C26/30°C
27°C26/30°C
28°C26/31°C
29°C26/31°C
29°C26/33°C
29°C27/33°C
30°C27/33°C
30°C26/34°C
30°C27/33°C
30°C27/33°C
30°C27/35°C
31°C27/36°C
32°C28/36°C
30°C27/35°C
28°C27/29°C
30°C26/33°C
29°C26/34°C
30°C26/35°C
32°C27/37°C
32°C28/39°C
31°C28/36°C
31°C27/36°C
31°C26/36°C
30°C29/33°C
35AQI
28AQI
35AQI
30AQI
2026 Days Vs Air Quality
Tamana, Kumamoto, Japan
84%
183
16%
36
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 219 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
Tamana, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
18AQI (US)
29AQI (US)
41AQI (US)
39AQI (US)
29AQI (US)
40AQI (US)
38AQI (US)
24AQI (US)
37AQI (US)
32AQI (US)
25AQI (US)
49AQI (US)
37AQI (US)
39AQI (US)
42AQI (US)
53AQI (US)
66AQI (US)
72AQI (US)
35AQI (US)
15AQI (US)
28AQI (US)
37AQI (US)
49AQI (US)
30AQI (US)
24AQI (US)
43AQI (US)
33AQI (US)
39AQI (US)
36AQI (US)
25AQI (US)
47AQI (US)
44AQI (US)
42AQI (US)
39AQI (US)
41AQI (US)
42AQI (US)
41AQI (US)
24AQI (US)
39AQI (US)
43AQI (US)
38AQI (US)
53AQI (US)
50AQI (US)
59AQI (US)
44AQI (US)
50AQI (US)
30AQI (US)
34AQI (US)
62AQI (US)
45AQI (US)
48AQI (US)
31AQI (US)
38AQI (US)
38AQI (US)
25AQI (US)
19AQI (US)
42AQI (US)
41AQI (US)
38AQI (US)
31AQI (US)
11AQI (US)
32AQI (US)
48AQI (US)
51AQI (US)
50AQI (US)
39AQI (US)
46AQI (US)
54AQI (US)
48AQI (US)
56AQI (US)
39AQI (US)
44AQI (US)
60AQI (US)
52AQI (US)
47AQI (US)
50AQI (US)
28AQI (US)
54AQI (US)
39AQI (US)
50AQI (US)
20AQI (US)
51AQI (US)
31AQI (US)
31AQI (US)
57AQI (US)
85AQI (US)
94AQI (US)
54AQI (US)
21AQI (US)
17AQI (US)
56AQI (US)
50AQI (US)
40AQI (US)
35AQI (US)
56AQI (US)
37AQI (US)
28AQI (US)
38AQI (US)
32AQI (US)
36AQI (US)
35AQI (US)
32AQI (US)
31AQI (US)
31AQI (US)
36AQI (US)
37AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
52AQI (US)
42AQI (US)
14AQI (US)
26AQI (US)
43AQI (US)
47AQI (US)
53AQI (US)
46AQI (US)
37AQI (US)
32AQI (US)
51AQI (US)
54AQI (US)
36AQI (US)
28AQI (US)
32AQI (US)
37AQI (US)
32AQI (US)
28AQI (US)
30AQI (US)
38AQI (US)
49AQI (US)
35AQI (US)
21AQI (US)
30AQI (US)
34AQI (US)
77AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
62AQI (US)
67AQI (US)
69AQI (US)
62AQI (US)
64AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
53AQI (US)
62AQI (US)
12AQI (US)
14AQI (US)
24AQI (US)
23AQI (US)
43AQI (US)
10AQI (US)
18AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
19AQI (US)
18AQI (US)
28AQI (US)
21AQI (US)
25AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
39AQI (US)
18AQI (US)
25AQI (US)
40AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
37AQI (US)
35AQI (US)
31AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
37AQI (US)
32AQI (US)
26AQI (US)
32AQI (US)
26AQI (US)
30AQI (US)
25AQI (US)
31AQI (US)
28AQI (US)
50AQI (US)
56AQI (US)
58AQI (US)
26AQI (US)
19AQI (US)
25AQI (US)
36AQI (US)
41AQI (US)
46AQI (US)
37AQI (US)
44AQI (US)
24AQI (US)
29AQI (US)
37AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
October55AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202446AQI (US)
Highest AQI (US) recorded in
March60AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202348AQI (US)
Highest AQI (US) recorded in
April56AQI (US)
Lowest AQI (US) recorded in
August38AQI (US)
202252AQI (US)
Highest AQI (US) recorded in
August77AQI (US)
Lowest AQI (US) recorded in
December42AQI (US)
202147AQI (US)
Highest AQI (US) recorded in
October57AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202047AQI (US)
Highest AQI (US) recorded in
August59AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tamana's annual 2026 AQI (US) (37) shows an average percentage change of -21.9% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (47), 2022 (52), 2023 (48), 2024 (46), 2025 (45).