Shibetsu, Shibetsu, Hokkaido, 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
Shibetsu, Shibetsu, Hokkaido, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August ):
On this day, AQI across the 2 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

Day & Night AQI Trend: 15th Aug - 16th Aug 2025
Shibetsu, Shibetsu, Hokkaido, Japan
4 AM15th Aug 2025
7 PM
3 AM16th Aug 2025
45AQI
23AQI
36AQI
25AQI
In the last 24 hours,
Shibetsu's AQI reached its highest point of 45 at 11 AM during the Day, while the lowest point, 23, was recorded at 7 PM during the Day between 15th Aug and 16th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shibetsu, Shibetsu, Hokkaido, Japan
20°C17/24°C
19°C17/21°C
18°C16/19°C
18°C16/19°C
19°C15/22°C
22°C18/25°C
21°C18/24°C
19°C16/22°C
19°C15/23°C
19°C16/22°C
18°C15/22°C
17°C15/21°C
18°C14/21°C
16°C13/20°C
17°C14/21°C
18°C13/22°C
19°C15/22°C
19°C17/21°C
18°C14/21°C
15°C13/18°C
19°C17/21°C
17°C15/20°C
18°C14/22°C
16°C13/19°C
17°C13/21°C
19°C15/23°C
17°C15/20°C
17°C14/19°C
16°C12/20°C
17°C14/20°C
--°C/°C
39AQI
37AQI
41AQI
41AQI
2025 Days Vs Air Quality
Shibetsu, Shibetsu, Hokkaido, Japan
66%
150
32%
72
2%
5
Total number of days with different AQI categories in last 228 days in 2025 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 228 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Shibetsu, Shibetsu, Hokkaido, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
102AQI
70AQI
94AQI
119AQI
121AQI
76AQI
91AQI
58AQI
74AQI
69AQI
74AQI
83AQI
80AQI
71AQI
75AQI
64AQI
59AQI
62AQI
85AQI
79AQI
68AQI
69AQI
80AQI
72AQI
85AQI
104AQI
81AQI
83AQI
90AQI
64AQI
51AQI
48AQI
72AQI
99AQI
112AQI
90AQI
74AQI
63AQI
71AQI
64AQI
75AQI
57AQI
85AQI
74AQI
52AQI
69AQI
52AQI
47AQI
44AQI
49AQI
41AQI
47AQI
40AQI
39AQI
38AQI
43AQI
47AQI
38AQI
57AQI
49AQI
42AQI
46AQI
68AQI
61AQI
69AQI
50AQI
51AQI
54AQI
80AQI
61AQI
65AQI
49AQI
42AQI
42AQI
31AQI
23AQI
24AQI
40AQI
53AQI
48AQI
41AQI
33AQI
32AQI
39AQI
41AQI
32AQI
31AQI
30AQI
30AQI
46AQI
77AQI
82AQI
89AQI
70AQI
71AQI
63AQI
54AQI
51AQI
47AQI
88AQI
89AQI
87AQI
79AQI
58AQI
39AQI
30AQI
83AQI
64AQI
48AQI
43AQI
97AQI
44AQI
63AQI
45AQI
43AQI
44AQI
48AQI
40AQI
41AQI
40AQI
38AQI
45AQI
37AQI
35AQI
32AQI
37AQI
39AQI
39AQI
42AQI
39AQI
37AQI
50AQI
53AQI
55AQI
53AQI
49AQI
43AQI
35AQI
41AQI
43AQI
36AQI
34AQI
31AQI
31AQI
26AQI
24AQI
30AQI
36AQI
40AQI
44AQI
40AQI
34AQI
34AQI
32AQI
32AQI
30AQI
34AQI
40AQI
44AQI
41AQI
43AQI
37AQI
31AQI
37AQI
49AQI
39AQI
40AQI
34AQI
41AQI
44AQI
43AQI
47AQI
47AQI
47AQI
49AQI
50AQI
49AQI
50AQI
48AQI
48AQI
49AQI
52AQI
48AQI
45AQI
48AQI
46AQI
46AQI
50AQI
47AQI
38AQI
36AQI
41AQI
44AQI
43AQI
43AQI
42AQI
43AQI
49AQI
45AQI
38AQI
39AQI
42AQI
46AQI
46AQI
50AQI
48AQI
43AQI
43AQI
40AQI
47AQI
40AQI
39AQI
46AQI
43AQI
35AQI
35AQI
40AQI
43AQI
38AQI
34AQI
32AQI
34AQI
37AQI
31AQI
37AQI
30AQI
30AQI
79AQI
60AQI
45AQI
61AQI
39AQI
41AQI
44AQI
36AQI
No. of days
202552AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
August36AQI
202430AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
October22AQI
202331AQI
Highest AQI recorded in
December32AQI
Lowest AQI recorded in
November24AQI
20226AQI
Highest AQI recorded in
January6AQI
Lowest AQI recorded in
January6AQI
202111AQI
Highest AQI recorded in
December11AQI
Lowest AQI recorded in
December11AQI
Most & Least Polluted Years Over the Last 5 Years
Shibetsu's annual 2025 AQI (52) shows an average percentage change of 317.6% (worsened AQI) compared to previous years: 2021 (11), 2022 (6), 2023 (31), 2024 (30).