Wakabadai, Hokkaido, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Wakabadai, Hokkaido, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
Wakabadai, Hokkaido, Japan
5 AM13th Oct 2025
5 PM
4 AM14th Oct 2025
AQI
AQI
52AQI
38AQI
In the last 24 hours,
Wakabadai's AQI reached its highest point of 52 at 7 AM during the Night, while the lowest point, 38, was recorded at 12 AM during the Night between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Wakabadai, Hokkaido, Japan
20°C18/21°C
22°C22/23°C
21°C21/22°C
20°C19/21°C
18°C17/18°C
18°C18/19°C
19°C17/19°C
16°C15/16°C
19°C17/19°C
20°C20/20°C
20°C19/20°C
19°C18/20°C
20°C19/20°C
20°C19/21°C
21°C20/21°C
18°C15/20°C
18°C16/18°C
20°C19/20°C
19°C16/20°C
18°C17/20°C
20°C18/21°C
18°C15/20°C
13°C12/13°C
14°C13/15°C
16°C12/17°C
11°C11/12°C
11°C11/12°C
11°C10/11°C
15°C13/16°C
--°C/°C
--°C/°C
38AQI
35AQI
38AQI
33AQI
2025 Days Vs Air Quality
Wakabadai, Hokkaido, Japan
76%
216
23%
66
1%
3
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 286 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
Wakabadai, Hokkaido, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
82AQI
61AQI
89AQI
106AQI
109AQI
65AQI
85AQI
52AQI
70AQI
59AQI
70AQI
71AQI
70AQI
57AQI
68AQI
52AQI
49AQI
51AQI
67AQI
61AQI
55AQI
54AQI
58AQI
55AQI
81AQI
97AQI
69AQI
79AQI
79AQI
63AQI
51AQI
49AQI
69AQI
98AQI
103AQI
90AQI
62AQI
59AQI
62AQI
60AQI
65AQI
45AQI
74AQI
69AQI
48AQI
67AQI
48AQI
50AQI
45AQI
51AQI
45AQI
45AQI
34AQI
36AQI
36AQI
43AQI
49AQI
40AQI
59AQI
44AQI
43AQI
46AQI
69AQI
63AQI
70AQI
48AQI
50AQI
46AQI
75AQI
57AQI
65AQI
47AQI
37AQI
45AQI
30AQI
27AQI
25AQI
32AQI
51AQI
52AQI
40AQI
34AQI
32AQI
41AQI
36AQI
33AQI
32AQI
29AQI
32AQI
34AQI
58AQI
74AQI
80AQI
62AQI
56AQI
44AQI
37AQI
42AQI
37AQI
57AQI
68AQI
66AQI
56AQI
44AQI
33AQI
26AQI
65AQI
45AQI
39AQI
38AQI
96AQI
39AQI
55AQI
35AQI
37AQI
35AQI
41AQI
41AQI
30AQI
25AQI
28AQI
36AQI
39AQI
36AQI
30AQI
35AQI
34AQI
36AQI
37AQI
33AQI
39AQI
44AQI
41AQI
52AQI
46AQI
51AQI
42AQI
34AQI
44AQI
42AQI
41AQI
38AQI
32AQI
31AQI
26AQI
24AQI
35AQI
37AQI
42AQI
43AQI
41AQI
31AQI
35AQI
31AQI
25AQI
31AQI
33AQI
41AQI
42AQI
44AQI
43AQI
39AQI
34AQI
41AQI
47AQI
41AQI
36AQI
35AQI
43AQI
45AQI
42AQI
46AQI
52AQI
46AQI
50AQI
50AQI
49AQI
49AQI
47AQI
46AQI
47AQI
49AQI
46AQI
50AQI
49AQI
45AQI
43AQI
46AQI
42AQI
40AQI
36AQI
38AQI
45AQI
45AQI
42AQI
38AQI
35AQI
50AQI
39AQI
34AQI
39AQI
45AQI
46AQI
48AQI
46AQI
45AQI
40AQI
45AQI
40AQI
46AQI
45AQI
42AQI
41AQI
37AQI
36AQI
35AQI
33AQI
35AQI
30AQI
27AQI
28AQI
30AQI
29AQI
29AQI
31AQI
30AQI
29AQI
35AQI
30AQI
31AQI
30AQI
36AQI
34AQI
32AQI
33AQI
30AQI
32AQI
31AQI
29AQI
29AQI
28AQI
33AQI
34AQI
37AQI
33AQI
34AQI
33AQI
36AQI
37AQI
35AQI
34AQI
34AQI
31AQI
32AQI
34AQI
35AQI
36AQI
38AQI
33AQI
32AQI
28AQI
28AQI
27AQI
28AQI
28AQI
30AQI
33AQI
26AQI
27AQI
24AQI
30AQI
26AQI
22AQI
33AQI
48AQI
50AQI
63AQI
63AQI
37AQI
38AQI
47AQI
41AQI
39AQI
39AQI
44AQI
69AQI
57AQI
44AQI
49AQI
38AQI
41AQI
43AQI
32AQI
31AQI
45AQI
No. of days
202545AQI
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
September31AQI
202436AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August22AQI
202335AQI
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
August25AQI
202234AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
July24AQI
202129AQI
Highest AQI recorded in
April34AQI
Lowest AQI recorded in
January23AQI
202026AQI
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
October20AQI
Most & Least Polluted Years Over the Last 6 Years
Wakabadai's annual 2025 AQI (45) shows an average percentage change of 41.8% (worsened AQI) compared to previous years: 2020 (26), 2021 (29), 2022 (34), 2023 (35), 2024 (36).