Kawanobori, 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
Kawanobori, Arao, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Kawanobori, Arao, Kumamoto, Japan
5 AM11th Aug 2025
7 PM
4 AM12th Aug 2025
AQI
AQI
42AQI
12AQI
In the last 24 hours,
Kawanobori's AQI reached its highest point of 42 at 5 AM during the Night, while the lowest point, 12, was recorded at 10 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kawanobori, Arao, Kumamoto, Japan
28°C26/32°C
26°C24/28°C
26°C23/30°C
27°C23/31°C
28°C25/32°C
25°C24/25°C
27°C24/31°C
28°C24/32°C
29°C26/33°C
30°C26/34°C
30°C26/35°C
30°C26/36°C
30°C26/36°C
30°C27/35°C
30°C27/35°C
31°C26/36°C
31°C26/36°C
31°C26/36°C
31°C25/36°C
31°C27/35°C
31°C27/37°C
30°C27/34°C
29°C27/33°C
30°C27/33°C
30°C27/34°C
27°C26/30°C
26°C25/28°C
25°C25/26°C
26°C26/27°C
--°C/°C
--°C/°C
40AQI
31AQI
40AQI
37AQI
2025 Days Vs Air Quality
Kawanobori, Arao, Kumamoto, Japan
74%
164
26%
58
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 223 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
Kawanobori, Arao, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
45AQI
38AQI
37AQI
38AQI
59AQI
34AQI
43AQI
29AQI
33AQI
33AQI
38AQI
44AQI
48AQI
47AQI
44AQI
55AQI
58AQI
60AQI
61AQI
82AQI
84AQI
83AQI
79AQI
50AQI
47AQI
43AQI
38AQI
34AQI
37AQI
53AQI
41AQI
38AQI
46AQI
32AQI
43AQI
33AQI
39AQI
31AQI
33AQI
32AQI
45AQI
42AQI
37AQI
45AQI
34AQI
47AQI
44AQI
36AQI
40AQI
36AQI
35AQI
41AQI
41AQI
40AQI
39AQI
44AQI
72AQI
61AQI
60AQI
44AQI
41AQI
31AQI
32AQI
32AQI
34AQI
44AQI
45AQI
50AQI
46AQI
52AQI
54AQI
38AQI
36AQI
33AQI
49AQI
45AQI
42AQI
53AQI
55AQI
64AQI
63AQI
51AQI
63AQI
62AQI
51AQI
62AQI
55AQI
44AQI
50AQI
49AQI
39AQI
41AQI
39AQI
48AQI
45AQI
44AQI
41AQI
57AQI
45AQI
56AQI
54AQI
51AQI
58AQI
35AQI
50AQI
46AQI
50AQI
51AQI
43AQI
47AQI
37AQI
28AQI
35AQI
49AQI
50AQI
48AQI
41AQI
52AQI
52AQI
48AQI
44AQI
44AQI
40AQI
43AQI
37AQI
39AQI
50AQI
33AQI
40AQI
47AQI
54AQI
57AQI
60AQI
59AQI
67AQI
42AQI
51AQI
54AQI
41AQI
31AQI
36AQI
43AQI
30AQI
34AQI
38AQI
44AQI
50AQI
49AQI
46AQI
46AQI
55AQI
54AQI
36AQI
47AQI
48AQI
53AQI
63AQI
67AQI
37AQI
31AQI
41AQI
41AQI
43AQI
31AQI
31AQI
34AQI
31AQI
35AQI
36AQI
33AQI
30AQI
23AQI
21AQI
24AQI
27AQI
28AQI
29AQI
31AQI
40AQI
52AQI
72AQI
95AQI
86AQI
85AQI
65AQI
54AQI
51AQI
59AQI
70AQI
55AQI
42AQI
40AQI
39AQI
36AQI
45AQI
57AQI
58AQI
35AQI
35AQI
32AQI
34AQI
45AQI
48AQI
33AQI
26AQI
26AQI
23AQI
24AQI
26AQI
32AQI
33AQI
42AQI
47AQI
48AQI
43AQI
43AQI
43AQI
45AQI
38AQI
33AQI
39AQI
49AQI
41AQI
48AQI
46AQI
45AQI
38AQI
47AQI
42AQI
No. of days
202545AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
June38AQI
202444AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
July29AQI
202344AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August34AQI
202245AQI
Highest AQI recorded in
August65AQI
Lowest AQI recorded in
September38AQI
202144AQI
Highest AQI recorded in
June60AQI
Lowest AQI recorded in
April26AQI
202043AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Kawanobori's annual 2025 AQI (45) shows an average percentage change of 1.6% (worsened AQI) compared to previous years: 2020 (43), 2021 (44), 2022 (45), 2023 (44), 2024 (44).