Yashima, 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
Yashima, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Yashima, Kumamoto, Japan
5 AM1st Aug 2026
7 PM
4 AM2nd Aug 2026
31AQI
23AQI
53AQI
40AQI
In the last 24 hours,
Yashima's AQI reached its highest point of 53 at 9 PM during the Night, while the lowest point, 23, was recorded at 9 AM during the Day between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yashima, Kumamoto, Japan
24°C22/25°C
25°C24/26°C
24°C24/25°C
26°C24/28°C
27°C25/29°C
27°C23/30°C
27°C24/31°C
28°C25/32°C
29°C26/33°C
27°C26/29°C
27°C25/30°C
27°C25/28°C
26°C25/28°C
27°C25/29°C
27°C25/29°C
28°C26/31°C
28°C26/30°C
28°C26/30°C
28°C25/32°C
28°C26/31°C
28°C26/31°C
29°C26/32°C
29°C26/33°C
30°C27/34°C
28°C26/32°C
27°C25/29°C
28°C25/31°C
28°C25/31°C
28°C25/32°C
29°C26/33°C
33AQI
27AQI
32AQI
27AQI
2026 Days Vs Air Quality
Yashima, Kumamoto, Japan
85%
182
15%
32
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 214 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
Yashima, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
20AQI (US)
24AQI (US)
41AQI (US)
50AQI (US)
40AQI (US)
44AQI (US)
41AQI (US)
30AQI (US)
33AQI (US)
35AQI (US)
36AQI (US)
41AQI (US)
45AQI (US)
50AQI (US)
44AQI (US)
54AQI (US)
58AQI (US)
66AQI (US)
39AQI (US)
21AQI (US)
30AQI (US)
39AQI (US)
52AQI (US)
31AQI (US)
23AQI (US)
39AQI (US)
37AQI (US)
42AQI (US)
41AQI (US)
27AQI (US)
49AQI (US)
47AQI (US)
42AQI (US)
41AQI (US)
42AQI (US)
42AQI (US)
35AQI (US)
21AQI (US)
42AQI (US)
45AQI (US)
44AQI (US)
47AQI (US)
48AQI (US)
50AQI (US)
45AQI (US)
60AQI (US)
35AQI (US)
29AQI (US)
63AQI (US)
44AQI (US)
48AQI (US)
35AQI (US)
37AQI (US)
38AQI (US)
28AQI (US)
18AQI (US)
40AQI (US)
38AQI (US)
37AQI (US)
30AQI (US)
14AQI (US)
41AQI (US)
47AQI (US)
49AQI (US)
47AQI (US)
39AQI (US)
45AQI (US)
57AQI (US)
42AQI (US)
48AQI (US)
37AQI (US)
44AQI (US)
58AQI (US)
51AQI (US)
51AQI (US)
55AQI (US)
27AQI (US)
54AQI (US)
38AQI (US)
44AQI (US)
19AQI (US)
52AQI (US)
29AQI (US)
24AQI (US)
58AQI (US)
82AQI (US)
97AQI (US)
59AQI (US)
26AQI (US)
19AQI (US)
54AQI (US)
52AQI (US)
43AQI (US)
44AQI (US)
56AQI (US)
39AQI (US)
32AQI (US)
35AQI (US)
44AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
35AQI (US)
31AQI (US)
35AQI (US)
35AQI (US)
30AQI (US)
24AQI (US)
25AQI (US)
37AQI (US)
44AQI (US)
19AQI (US)
21AQI (US)
42AQI (US)
46AQI (US)
53AQI (US)
47AQI (US)
37AQI (US)
30AQI (US)
37AQI (US)
54AQI (US)
34AQI (US)
27AQI (US)
25AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
35AQI (US)
43AQI (US)
29AQI (US)
34AQI (US)
30AQI (US)
39AQI (US)
78AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
61AQI (US)
65AQI (US)
69AQI (US)
62AQI (US)
63AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
47AQI (US)
64AQI (US)
13AQI (US)
16AQI (US)
25AQI (US)
23AQI (US)
34AQI (US)
14AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
21AQI (US)
21AQI (US)
21AQI (US)
19AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
33AQI (US)
39AQI (US)
37AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
29AQI (US)
47AQI (US)
39AQI (US)
41AQI (US)
45AQI (US)
37AQI (US)
42AQI (US)
25AQI (US)
28AQI (US)
38AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
October57AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202448AQI (US)
Highest AQI (US) recorded in
January65AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202345AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202246AQI (US)
Highest AQI (US) recorded in
May53AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
May50AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202047AQI (US)
Highest AQI (US) recorded in
May55AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yashima's annual 2026 AQI (US) (37) shows an average percentage change of -18.8% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (43), 2022 (46), 2023 (45), 2024 (48), 2025 (45).