Iwasaki, 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
Iwasaki, Tamana, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Iwasaki, Tamana, Kumamoto, Japan
5 AM14th Aug 2026
7 PM
4 AM15th Aug 2026
65AQI
29AQI
58AQI
36AQI
In the last 24 hours,
Iwasaki's AQI reached its highest point of 65 at 7 PM during the Day, while the lowest point, 29, was recorded at 9 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Iwasaki, Tamana, Kumamoto, Japan
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
30°C28/35°C
30°C26/35°C
30°C27/34°C
29°C25/34°C
28°C22/33°C
28°C25/32°C
28°C25/33°C
28°C26/32°C
37AQI
29AQI
35AQI
30AQI
2026 Days Vs Air Quality
Iwasaki, Tamana, Kumamoto, Japan
84%
191
16%
36
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 227 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
Iwasaki, 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)
25AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
35AQI (US)
40AQI (US)
39AQI (US)
36AQI (US)
41AQI (US)
46AQI (US)
37AQI (US)
44AQI (US)
24AQI (US)
29AQI (US)
34AQI (US)
No. of days
202636AQI (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
Iwasaki's annual 2026 AQI (US) (36) shows an average percentage change of -24.05% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (47), 2022 (52), 2023 (48), 2024 (46), 2025 (45).