Jonanmachitaka, Yashima, Kumamoto, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Jonanmachitaka, Yashima, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 81 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Jonanmachitaka, Yashima, Kumamoto, Japan
5 AM2nd Jul 2025
7 PM
4 AM3rd Jul 2025
148AQI
52AQI
138AQI
54AQI
In the last 24 hours,
Jonanmachitaka's AQI reached its highest point of 148 at 7 PM during the Day, while the lowest point, 52, was recorded at 8 AM during the Day between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Jonanmachitaka, Yashima, Kumamoto, Japan
20°C18/21°C
20°C16/24°C
20°C16/25°C
21°C16/25°C
22°C18/26°C
20°C18/21°C
21°C20/21°C
23°C21/23°C
22°C20/23°C
21°C19/23°C
24°C21/28°C
24°C22/27°C
23°C21/26°C
25°C21/29°C
24°C22/28°C
25°C22/28°C
25°C21/30°C
25°C22/29°C
26°C23/30°C
25°C23/29°C
23°C22/25°C
23°C22/25°C
25°C23/28°C
24°C22/27°C
25°C22/29°C
26°C23/29°C
27°C23/29°C
27°C24/31°C
28°C24/31°C
27°C24/31°C
0°C0/0°C
42AQI
38AQI
42AQI
38AQI
2025 Days Vs Air Quality
Jonanmachitaka, Yashima, Kumamoto, Japan
74%
136
26%
47
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 184 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
Jonanmachitaka, Yashima, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
45AQI
37AQI
39AQI
38AQI
51AQI
31AQI
43AQI
29AQI
32AQI
29AQI
34AQI
42AQI
46AQI
50AQI
46AQI
52AQI
53AQI
58AQI
55AQI
76AQI
76AQI
76AQI
79AQI
55AQI
45AQI
42AQI
37AQI
33AQI
38AQI
49AQI
41AQI
35AQI
49AQI
32AQI
41AQI
31AQI
38AQI
30AQI
32AQI
33AQI
43AQI
43AQI
36AQI
44AQI
32AQI
39AQI
44AQI
35AQI
39AQI
35AQI
35AQI
42AQI
39AQI
39AQI
39AQI
39AQI
68AQI
54AQI
56AQI
46AQI
40AQI
31AQI
29AQI
32AQI
34AQI
45AQI
46AQI
52AQI
48AQI
49AQI
56AQI
44AQI
36AQI
31AQI
52AQI
43AQI
40AQI
50AQI
53AQI
61AQI
59AQI
47AQI
57AQI
56AQI
52AQI
55AQI
54AQI
46AQI
48AQI
47AQI
43AQI
44AQI
44AQI
47AQI
47AQI
44AQI
40AQI
52AQI
44AQI
56AQI
53AQI
51AQI
55AQI
36AQI
50AQI
45AQI
49AQI
53AQI
43AQI
49AQI
39AQI
32AQI
36AQI
49AQI
51AQI
52AQI
46AQI
51AQI
53AQI
49AQI
40AQI
41AQI
38AQI
44AQI
34AQI
39AQI
48AQI
35AQI
41AQI
46AQI
52AQI
56AQI
59AQI
56AQI
64AQI
39AQI
48AQI
53AQI
41AQI
33AQI
36AQI
46AQI
39AQI
40AQI
41AQI
45AQI
49AQI
43AQI
45AQI
42AQI
57AQI
49AQI
33AQI
46AQI
47AQI
51AQI
62AQI
65AQI
33AQI
30AQI
36AQI
39AQI
44AQI
30AQI
30AQI
31AQI
29AQI
34AQI
34AQI
35AQI
32AQI
25AQI
20AQI
28AQI
27AQI
25AQI
29AQI
30AQI
40AQI
53AQI
71AQI
81AQI
47AQI
40AQI
47AQI
47AQI
45AQI
37AQI
76AQI
No. of days
202544AQI
Highest AQI recorded in
July76AQI
Lowest AQI recorded in
June37AQI
202455AQI
Highest AQI recorded in
October114AQI
Lowest AQI recorded in
July33AQI
202349AQI
Highest AQI recorded in
April58AQI
Lowest AQI recorded in
August34AQI
202249AQI
Highest AQI recorded in
August68AQI
Lowest AQI recorded in
September40AQI
202148AQI
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
August30AQI
202053AQI
Highest AQI recorded in
May61AQI
Lowest AQI recorded in
July37AQI
Most & Least Polluted Years Over the Last 6 Years
Jonanmachitaka's annual 2025 AQI (44) shows an average percentage change of -12.9% (improved AQI) compared to previous years: 2020 (53), 2021 (48), 2022 (49), 2023 (49), 2024 (55).