Arao, 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
Arao, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 31st Jul - 1st Aug 2026
Arao, Kumamoto, Japan
5 AM31st Jul 2026
7 PM
4 AM1st Aug 2026
35AQI
22AQI
28AQI
24AQI
In the last 24 hours,
Arao's AQI reached its highest point of 35 at 8 AM during the Day, while the lowest point, 22, was recorded at 1 PM during the Day between 31st Jul and 1st Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Arao, Kumamoto, Japan
23°C22/25°C
24°C22/26°C
25°C23/27°C
25°C24/27°C
27°C24/30°C
28°C25/31°C
28°C25/31°C
29°C25/33°C
30°C26/34°C
30°C26/34°C
29°C26/32°C
29°C26/32°C
28°C26/31°C
28°C26/31°C
28°C26/31°C
29°C26/32°C
30°C27/33°C
30°C27/33°C
30°C27/33°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
31°C27/35°C
31°C27/36°C
32°C28/37°C
31°C27/35°C
28°C27/30°C
30°C27/34°C
30°C26/34°C
31°C26/36°C
32AQI
25AQI
32AQI
26AQI
2026 Days Vs Air Quality
Arao, Kumamoto, Japan
81%
172
19%
41
Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 213 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
Arao, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
20AQI (US)
27AQI (US)
38AQI (US)
35AQI (US)
23AQI (US)
39AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
21AQI (US)
20AQI (US)
42AQI (US)
33AQI (US)
36AQI (US)
49AQI (US)
66AQI (US)
58AQI (US)
68AQI (US)
33AQI (US)
17AQI (US)
26AQI (US)
40AQI (US)
45AQI (US)
29AQI (US)
22AQI (US)
43AQI (US)
27AQI (US)
41AQI (US)
38AQI (US)
20AQI (US)
49AQI (US)
41AQI (US)
41AQI (US)
36AQI (US)
44AQI (US)
52AQI (US)
39AQI (US)
23AQI (US)
41AQI (US)
45AQI (US)
38AQI (US)
53AQI (US)
51AQI (US)
52AQI (US)
51AQI (US)
59AQI (US)
30AQI (US)
31AQI (US)
66AQI (US)
42AQI (US)
48AQI (US)
31AQI (US)
37AQI (US)
33AQI (US)
26AQI (US)
20AQI (US)
48AQI (US)
40AQI (US)
35AQI (US)
52AQI (US)
10AQI (US)
31AQI (US)
48AQI (US)
51AQI (US)
51AQI (US)
38AQI (US)
47AQI (US)
50AQI (US)
43AQI (US)
55AQI (US)
38AQI (US)
43AQI (US)
59AQI (US)
50AQI (US)
40AQI (US)
57AQI (US)
32AQI (US)
61AQI (US)
35AQI (US)
52AQI (US)
25AQI (US)
57AQI (US)
34AQI (US)
32AQI (US)
55AQI (US)
86AQI (US)
93AQI (US)
60AQI (US)
24AQI (US)
18AQI (US)
57AQI (US)
48AQI (US)
40AQI (US)
35AQI (US)
56AQI (US)
38AQI (US)
29AQI (US)
34AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
27AQI (US)
37AQI (US)
37AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
51AQI (US)
43AQI (US)
15AQI (US)
31AQI (US)
44AQI (US)
47AQI (US)
54AQI (US)
47AQI (US)
37AQI (US)
32AQI (US)
51AQI (US)
53AQI (US)
36AQI (US)
27AQI (US)
33AQI (US)
38AQI (US)
40AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
51AQI (US)
36AQI (US)
22AQI (US)
28AQI (US)
32AQI (US)
76AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
65AQI (US)
70AQI (US)
62AQI (US)
64AQI (US)
54AQI (US)
40AQI (US)
11AQI (US)
16AQI (US)
30AQI (US)
33AQI (US)
54AQI (US)
69AQI (US)
21AQI (US)
17AQI (US)
24AQI (US)
23AQI (US)
42AQI (US)
13AQI (US)
21AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
20AQI (US)
18AQI (US)
28AQI (US)
20AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
25AQI (US)
18AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
39AQI (US)
18AQI (US)
25AQI (US)
37AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
32AQI (US)
31AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
30AQI (US)
27AQI (US)
33AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
42AQI (US)
47AQI (US)
37AQI (US)
43AQI (US)
25AQI (US)
28AQI (US)
31AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
October53AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202450AQI (US)
Highest AQI (US) recorded in
August74AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
202346AQI (US)
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202246AQI (US)
Highest AQI (US) recorded in
May54AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Arao's annual 2026 AQI (US) (36) shows an average percentage change of -21.9% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (45), 2022 (46), 2023 (46), 2024 (50), 2025 (45).