Tsukumiura, Oita, 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
Tsukumiura, Oita, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Tsukumiura, Oita, Japan
82%
173
18%
38
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% 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
Tsukumiura, Oita, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
30AQI
32AQI
33AQI
28AQI
35AQI
30AQI
34AQI
29AQI
30AQI
28AQI
32AQI
39AQI
37AQI
39AQI
34AQI
41AQI
31AQI
39AQI
33AQI
52AQI
58AQI
57AQI
63AQI
43AQI
42AQI
33AQI
33AQI
33AQI
32AQI
36AQI
39AQI
29AQI
39AQI
31AQI
36AQI
31AQI
31AQI
30AQI
29AQI
31AQI
33AQI
34AQI
33AQI
33AQI
31AQI
36AQI
39AQI
32AQI
34AQI
30AQI
31AQI
35AQI
33AQI
34AQI
32AQI
41AQI
49AQI
50AQI
63AQI
68AQI
41AQI
38AQI
31AQI
34AQI
31AQI
37AQI
39AQI
39AQI
39AQI
39AQI
50AQI
37AQI
38AQI
26AQI
44AQI
31AQI
39AQI
40AQI
53AQI
55AQI
55AQI
46AQI
65AQI
60AQI
51AQI
56AQI
49AQI
41AQI
41AQI
44AQI
34AQI
35AQI
36AQI
39AQI
44AQI
34AQI
37AQI
52AQI
46AQI
54AQI
54AQI
45AQI
47AQI
31AQI
41AQI
45AQI
51AQI
46AQI
41AQI
44AQI
35AQI
30AQI
36AQI
49AQI
51AQI
45AQI
48AQI
43AQI
50AQI
45AQI
36AQI
43AQI
39AQI
41AQI
34AQI
34AQI
36AQI
32AQI
36AQI
35AQI
48AQI
52AQI
56AQI
52AQI
45AQI
41AQI
48AQI
55AQI
55AQI
36AQI
43AQI
41AQI
31AQI
32AQI
35AQI
39AQI
35AQI
36AQI
41AQI
38AQI
45AQI
47AQI
30AQI
44AQI
41AQI
52AQI
53AQI
55AQI
35AQI
36AQI
41AQI
43AQI
45AQI
34AQI
32AQI
32AQI
35AQI
39AQI
38AQI
51AQI
47AQI
27AQI
30AQI
31AQI
33AQI
39AQI
43AQI
42AQI
44AQI
48AQI
53AQI
80AQI
95AQI
100AQI
89AQI
71AQI
62AQI
67AQI
74AQI
67AQI
49AQI
47AQI
42AQI
39AQI
50AQI
53AQI
42AQI
38AQI
35AQI
31AQI
30AQI
28AQI
27AQI
25AQI
25AQI
23AQI
25AQI
23AQI
23AQI
23AQI
37AQI
35AQI
44AQI
43AQI
41AQI
40AQI
48AQI
No. of days
202541AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
February35AQI
202435AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
January30AQI
202335AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August28AQI
202235AQI
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
August15AQI
202134AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
August27AQI
202034AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 6 Years
Tsukumiura's annual 2025 AQI (41) shows an average percentage change of 19.03% (worsened AQI) compared to previous years: 2020 (34), 2021 (34), 2022 (35), 2023 (35), 2024 (35).
