Teramachi, Nishi, 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
Teramachi, Nishi, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Teramachi, Nishi, Kumamoto, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
60AQI
36AQI
54AQI
37AQI
In the last 24 hours,
Teramachi's AQI reached its highest point of 60 at 2 PM during the Day, while the lowest point, 36, was recorded at 7 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Teramachi, Nishi, Kumamoto, Japan
26°C21/32°C
25°C20/32°C
25°C20/32°C
26°C20/35°C
27°C21/34°C
26°C19/33°C
24°C20/30°C
26°C21/31°C
26°C21/31°C
24°C20/31°C
22°C18/25°C
23°C17/30°C
22°C16/30°C
23°C19/31°C
22°C20/24°C
24°C19/31°C
24°C19/31°C
25°C19/32°C
25°C19/33°C
25°C18/33°C
25°C20/32°C
25°C20/31°C
24°C21/29°C
25°C21/29°C
25°C19/32°C
25°C19/33°C
24°C17/33°C
25°C17/34°C
26°C19/35°C
28°C22/37°C
--°C/°C
46AQI
35AQI
47AQI
41AQI
2025 Days Vs Air Quality
Teramachi, Nishi, Kumamoto, Japan
77%
165
23%
49
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 215 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
Teramachi, Nishi, Kumamoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
39AQI
41AQI
37AQI
38AQI
46AQI
34AQI
38AQI
32AQI
34AQI
35AQI
42AQI
48AQI
49AQI
52AQI
44AQI
47AQI
53AQI
52AQI
50AQI
65AQI
61AQI
63AQI
61AQI
57AQI
43AQI
44AQI
37AQI
36AQI
40AQI
39AQI
37AQI
32AQI
44AQI
33AQI
39AQI
32AQI
36AQI
31AQI
32AQI
35AQI
40AQI
45AQI
38AQI
41AQI
38AQI
40AQI
46AQI
39AQI
43AQI
38AQI
39AQI
46AQI
43AQI
44AQI
42AQI
42AQI
55AQI
50AQI
54AQI
52AQI
41AQI
39AQI
38AQI
37AQI
38AQI
42AQI
42AQI
45AQI
36AQI
45AQI
53AQI
47AQI
35AQI
33AQI
49AQI
40AQI
40AQI
46AQI
53AQI
60AQI
62AQI
53AQI
65AQI
62AQI
53AQI
60AQI
57AQI
45AQI
52AQI
43AQI
36AQI
39AQI
39AQI
47AQI
49AQI
41AQI
41AQI
55AQI
48AQI
53AQI
56AQI
48AQI
58AQI
33AQI
50AQI
48AQI
54AQI
49AQI
34AQI
45AQI
32AQI
31AQI
33AQI
42AQI
47AQI
49AQI
44AQI
50AQI
52AQI
49AQI
44AQI
45AQI
35AQI
35AQI
29AQI
39AQI
50AQI
33AQI
45AQI
43AQI
54AQI
56AQI
58AQI
58AQI
60AQI
41AQI
45AQI
54AQI
50AQI
35AQI
38AQI
51AQI
33AQI
38AQI
38AQI
42AQI
42AQI
36AQI
38AQI
42AQI
47AQI
43AQI
31AQI
43AQI
45AQI
55AQI
59AQI
54AQI
33AQI
31AQI
35AQI
40AQI
48AQI
33AQI
31AQI
29AQI
35AQI
37AQI
39AQI
42AQI
37AQI
23AQI
22AQI
34AQI
34AQI
29AQI
29AQI
31AQI
46AQI
55AQI
71AQI
98AQI
87AQI
96AQI
75AQI
60AQI
56AQI
64AQI
66AQI
49AQI
46AQI
42AQI
41AQI
39AQI
48AQI
55AQI
46AQI
35AQI
34AQI
31AQI
30AQI
29AQI
30AQI
25AQI
24AQI
22AQI
23AQI
24AQI
25AQI
24AQI
28AQI
42AQI
42AQI
45AQI
40AQI
48AQI
45AQI
44AQI
38AQI
46AQI
42AQI
No. of days
202544AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
June38AQI
202440AQI
Highest AQI recorded in
January64AQI
Lowest AQI recorded in
July29AQI
202341AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August33AQI
202243AQI
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
September37AQI
202140AQI
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
July31AQI
202047AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
July33AQI
Most & Least Polluted Years Over the Last 6 Years
Teramachi's annual 2025 AQI (44) shows an average percentage change of 3.2% (worsened AQI) compared to previous years: 2020 (47), 2021 (40), 2022 (43), 2023 (41), 2024 (40).