Higashisue, Ube, Yamaguchi, 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
Higashisue, Ube, Yamaguchi, 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
Higashisue, Ube, Yamaguchi, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
55AQI
39AQI
44AQI
38AQI
In the last 24 hours,
Higashisue's AQI reached its highest point of 55 at 12 PM during the Day, while the lowest point, 38, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Higashisue, Ube, Yamaguchi, Japan
27°C24/31°C
27°C25/31°C
27°C25/31°C
27°C24/32°C
27°C24/31°C
27°C25/31°C
27°C24/31°C
27°C25/30°C
27°C24/30°C
27°C25/30°C
25°C22/27°C
25°C22/30°C
26°C23/30°C
26°C24/30°C
24°C24/25°C
26°C24/29°C
27°C25/30°C
27°C24/30°C
26°C24/30°C
26°C23/30°C
27°C24/31°C
28°C26/31°C
28°C26/30°C
28°C26/30°C
27°C25/31°C
27°C25/31°C
27°C24/30°C
27°C24/31°C
28°C24/32°C
28°C24/34°C
--°C/°C
47AQI
37AQI
48AQI
41AQI
2025 Days Vs Air Quality
Higashisue, Ube, Yamaguchi, Japan
70%
150
30%
64
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% 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
Higashisue, Ube, Yamaguchi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
35AQI
31AQI
31AQI
28AQI
46AQI
29AQI
37AQI
28AQI
28AQI
29AQI
30AQI
38AQI
45AQI
36AQI
36AQI
44AQI
35AQI
45AQI
47AQI
56AQI
70AQI
72AQI
68AQI
44AQI
41AQI
37AQI
36AQI
32AQI
38AQI
47AQI
47AQI
34AQI
47AQI
32AQI
38AQI
30AQI
35AQI
30AQI
32AQI
31AQI
40AQI
36AQI
33AQI
42AQI
31AQI
46AQI
38AQI
36AQI
33AQI
32AQI
33AQI
36AQI
37AQI
38AQI
37AQI
54AQI
63AQI
64AQI
70AQI
61AQI
45AQI
36AQI
32AQI
34AQI
32AQI
36AQI
39AQI
42AQI
46AQI
54AQI
51AQI
41AQI
34AQI
27AQI
39AQI
40AQI
42AQI
51AQI
56AQI
70AQI
69AQI
63AQI
70AQI
74AQI
62AQI
60AQI
49AQI
41AQI
39AQI
42AQI
35AQI
27AQI
34AQI
42AQI
45AQI
43AQI
44AQI
57AQI
56AQI
57AQI
56AQI
50AQI
47AQI
34AQI
53AQI
48AQI
56AQI
57AQI
43AQI
41AQI
40AQI
25AQI
39AQI
60AQI
52AQI
58AQI
50AQI
49AQI
53AQI
50AQI
46AQI
47AQI
40AQI
42AQI
34AQI
33AQI
37AQI
34AQI
36AQI
47AQI
52AQI
57AQI
60AQI
55AQI
53AQI
41AQI
52AQI
57AQI
58AQI
38AQI
39AQI
44AQI
31AQI
30AQI
30AQI
39AQI
43AQI
39AQI
41AQI
36AQI
47AQI
51AQI
31AQI
46AQI
43AQI
53AQI
57AQI
61AQI
54AQI
33AQI
45AQI
48AQI
44AQI
40AQI
37AQI
36AQI
37AQI
43AQI
43AQI
52AQI
60AQI
79AQI
51AQI
48AQI
45AQI
53AQI
50AQI
42AQI
44AQI
54AQI
62AQI
73AQI
66AQI
72AQI
64AQI
53AQI
55AQI
61AQI
72AQI
76AQI
62AQI
53AQI
45AQI
41AQI
51AQI
58AQI
44AQI
39AQI
37AQI
34AQI
31AQI
29AQI
27AQI
28AQI
26AQI
24AQI
24AQI
24AQI
24AQI
25AQI
28AQI
44AQI
42AQI
40AQI
39AQI
49AQI
46AQI
43AQI
48AQI
45AQI
43AQI
No. of days
202544AQI
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
February39AQI
202437AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
July29AQI
202341AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August31AQI
202240AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
October34AQI
202137AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August30AQI
202036AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 6 Years
Higashisue's annual 2025 AQI (44) shows an average percentage change of 16.1% (worsened AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (40), 2023 (41), 2024 (37).