Ogoshi, Kumamoto, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Ogoshi, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 37 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Ogoshi, Kumamoto, Japan
6 AM1st Oct 2026
6 PM
5 AM2nd Oct 2026
52AQI
35AQI
43AQI
39AQI
In the last 24 hours,
Ogoshi's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 35, was recorded at 5 PM during the Day between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Ogoshi, Kumamoto, Japan
24°C22/26°C
23°C20/25°C
23°C21/26°C
24°C22/27°C
26°C23/32°C
27°C24/33°C
26°C23/28°C
24°C21/30°C
26°C23/31°C
27°C24/32°C
27°C24/31°C
26°C23/30°C
25°C22/28°C
24°C22/28°C
25°C21/31°C
24°C22/29°C
24°C22/29°C
25°C22/30°C
24°C20/28°C
23°C18/30°C
24°C20/29°C
25°C21/30°C
25°C21/29°C
23°C22/27°C
23°C23/25°C
23°C21/26°C
23°C20/25°C
23°C20/28°C
23°C20/28°C
22°C18/26°C
34AQI
29AQI
33AQI
29AQI
2026 Days Vs Air Quality
Ogoshi, Kumamoto, Japan
84%
230
16%
45
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 275 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
Ogoshi, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
25AQI (US)
32AQI (US)
47AQI (US)
58AQI (US)
42AQI (US)
50AQI (US)
42AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
35AQI (US)
43AQI (US)
44AQI (US)
54AQI (US)
49AQI (US)
60AQI (US)
66AQI (US)
73AQI (US)
43AQI (US)
16AQI (US)
28AQI (US)
44AQI (US)
54AQI (US)
33AQI (US)
28AQI (US)
49AQI (US)
40AQI (US)
42AQI (US)
47AQI (US)
27AQI (US)
54AQI (US)
53AQI (US)
46AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
36AQI (US)
25AQI (US)
42AQI (US)
44AQI (US)
49AQI (US)
49AQI (US)
53AQI (US)
56AQI (US)
37AQI (US)
60AQI (US)
33AQI (US)
30AQI (US)
69AQI (US)
50AQI (US)
52AQI (US)
37AQI (US)
38AQI (US)
46AQI (US)
30AQI (US)
18AQI (US)
40AQI (US)
50AQI (US)
47AQI (US)
30AQI (US)
16AQI (US)
58AQI (US)
55AQI (US)
53AQI (US)
54AQI (US)
50AQI (US)
54AQI (US)
57AQI (US)
46AQI (US)
61AQI (US)
47AQI (US)
47AQI (US)
63AQI (US)
64AQI (US)
50AQI (US)
54AQI (US)
27AQI (US)
52AQI (US)
40AQI (US)
47AQI (US)
17AQI (US)
51AQI (US)
23AQI (US)
24AQI (US)
62AQI (US)
89AQI (US)
91AQI (US)
50AQI (US)
22AQI (US)
23AQI (US)
56AQI (US)
52AQI (US)
43AQI (US)
44AQI (US)
59AQI (US)
38AQI (US)
30AQI (US)
44AQI (US)
30AQI (US)
34AQI (US)
41AQI (US)
34AQI (US)
38AQI (US)
40AQI (US)
38AQI (US)
42AQI (US)
33AQI (US)
24AQI (US)
25AQI (US)
42AQI (US)
45AQI (US)
18AQI (US)
20AQI (US)
42AQI (US)
46AQI (US)
53AQI (US)
47AQI (US)
37AQI (US)
33AQI (US)
46AQI (US)
55AQI (US)
36AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
29AQI (US)
37AQI (US)
46AQI (US)
32AQI (US)
38AQI (US)
38AQI (US)
39AQI (US)
77AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
66AQI (US)
70AQI (US)
61AQI (US)
63AQI (US)
55AQI (US)
41AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
36AQI (US)
46AQI (US)
10AQI (US)
19AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
11AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
21AQI (US)
18AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
35AQI (US)
34AQI (US)
29AQI (US)
35AQI (US)
34AQI (US)
34AQI (US)
40AQI (US)
37AQI (US)
24AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
48AQI (US)
52AQI (US)
54AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
36AQI (US)
41AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
40AQI (US)
39AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
36AQI (US)
27AQI (US)
16AQI (US)
25AQI (US)
21AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
31AQI (US)
43AQI (US)
46AQI (US)
26AQI (US)
28AQI (US)
34AQI (US)
48AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
22AQI (US)
32AQI (US)
43AQI (US)
53AQI (US)
46AQI (US)
43AQI (US)
10AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
44AQI (US)
37AQI (US)
42AQI (US)
44AQI (US)
48AQI (US)
38AQI (US)
43AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
41AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
November58AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202444AQI (US)
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202348AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
March44AQI (US)
202248AQI (US)
Highest AQI (US) recorded in
August87AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202141AQI (US)
Highest AQI (US) recorded in
May48AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202044AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ogoshi's annual 2026 AQI (US) (37) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (41), 2022 (48), 2023 (48), 2024 (44), 2025 (46).