Nirenoki, Ogoshi, 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
Nirenoki, Ogoshi, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Nirenoki, Ogoshi, Kumamoto, Japan
5 AM8th Aug 2026
7 PM
4 AM9th Aug 2026
33AQI
21AQI
29AQI
21AQI
In the last 24 hours,
Nirenoki's AQI reached its highest point of 33 at 3 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Nirenoki, Ogoshi, Kumamoto, Japan
29°C24/35°C
30°C25/35°C
29°C26/32°C
28°C25/33°C
27°C25/30°C
27°C25/30°C
28°C26/32°C
29°C25/32°C
30°C26/34°C
29°C26/34°C
30°C26/34°C
30°C26/35°C
30°C27/34°C
29°C25/35°C
30°C26/36°C
31°C26/37°C
32°C27/38°C
30°C26/36°C
28°C25/31°C
30°C26/34°C
29°C25/35°C
30°C25/36°C
31°C26/37°C
33°C28/40°C
31°C27/37°C
31°C26/38°C
30°C24/36°C
30°C29/33°C
30°C27/35°C
30°C25/36°C
34AQI
29AQI
33AQI
30AQI
2026 Days Vs Air Quality
Nirenoki, Ogoshi, Kumamoto, Japan
79%
175
21%
46
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 221 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
Nirenoki, Ogoshi, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
24AQI (US)
30AQI (US)
44AQI (US)
58AQI (US)
43AQI (US)
50AQI (US)
44AQI (US)
33AQI (US)
37AQI (US)
32AQI (US)
36AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
59AQI (US)
70AQI (US)
76AQI (US)
40AQI (US)
16AQI (US)
26AQI (US)
41AQI (US)
53AQI (US)
37AQI (US)
29AQI (US)
48AQI (US)
41AQI (US)
43AQI (US)
47AQI (US)
27AQI (US)
58AQI (US)
57AQI (US)
46AQI (US)
44AQI (US)
43AQI (US)
43AQI (US)
35AQI (US)
26AQI (US)
42AQI (US)
43AQI (US)
50AQI (US)
49AQI (US)
54AQI (US)
56AQI (US)
38AQI (US)
56AQI (US)
35AQI (US)
34AQI (US)
73AQI (US)
50AQI (US)
50AQI (US)
39AQI (US)
37AQI (US)
44AQI (US)
32AQI (US)
19AQI (US)
40AQI (US)
51AQI (US)
47AQI (US)
30AQI (US)
16AQI (US)
58AQI (US)
55AQI (US)
54AQI (US)
54AQI (US)
49AQI (US)
54AQI (US)
58AQI (US)
46AQI (US)
62AQI (US)
46AQI (US)
48AQI (US)
64AQI (US)
63AQI (US)
52AQI (US)
56AQI (US)
27AQI (US)
53AQI (US)
40AQI (US)
48AQI (US)
16AQI (US)
51AQI (US)
24AQI (US)
24AQI (US)
63AQI (US)
93AQI (US)
97AQI (US)
53AQI (US)
24AQI (US)
23AQI (US)
56AQI (US)
52AQI (US)
44AQI (US)
44AQI (US)
60AQI (US)
40AQI (US)
31AQI (US)
47AQI (US)
31AQI (US)
34AQI (US)
42AQI (US)
35AQI (US)
43AQI (US)
40AQI (US)
39AQI (US)
43AQI (US)
33AQI (US)
24AQI (US)
25AQI (US)
42AQI (US)
46AQI (US)
19AQI (US)
21AQI (US)
43AQI (US)
47AQI (US)
54AQI (US)
47AQI (US)
37AQI (US)
33AQI (US)
37AQI (US)
55AQI (US)
36AQI (US)
28AQI (US)
28AQI (US)
35AQI (US)
35AQI (US)
29AQI (US)
30AQI (US)
38AQI (US)
45AQI (US)
32AQI (US)
38AQI (US)
39AQI (US)
40AQI (US)
77AQI (US)
63AQI (US)
54AQI (US)
47AQI (US)
60AQI (US)
65AQI (US)
69AQI (US)
61AQI (US)
63AQI (US)
55AQI (US)
42AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
32AQI (US)
45AQI (US)
11AQI (US)
15AQI (US)
25AQI (US)
23AQI (US)
29AQI (US)
11AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
20AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
20AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
27AQI (US)
33AQI (US)
35AQI (US)
33AQI (US)
39AQI (US)
36AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
32AQI (US)
27AQI (US)
47AQI (US)
52AQI (US)
55AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
42AQI (US)
44AQI (US)
49AQI (US)
39AQI (US)
43AQI (US)
24AQI (US)
28AQI (US)
34AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
November57AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
March70AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202348AQI (US)
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
March39AQI (US)
202252AQI (US)
Highest AQI (US) recorded in
August108AQI (US)
Lowest AQI (US) recorded in
December39AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nirenoki's annual 2026 AQI (US) (38) shows an average percentage change of -14.8% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (39), 2022 (52), 2023 (48), 2024 (42), 2025 (46).