Seidacha, Sakaiminato, Shimane, 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
Seidacha, Sakaiminato, Shimane, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Seidacha, Sakaiminato, Shimane, Japan
5 AM6th Oct 2025
6 PM
4 AM7th Oct 2025
61AQI
36AQI
60AQI
36AQI
In the last 24 hours,
Seidacha's AQI reached its highest point of 61 at 4 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Seidacha, Sakaiminato, Shimane, Japan
29°C26/32°C
28°C26/30°C
26°C26/28°C
25°C25/26°C
26°C25/27°C
25°C23/28°C
27°C25/31°C
26°C25/26°C
27°C25/29°C
27°C25/30°C
28°C26/31°C
25°C24/25°C
24°C23/25°C
24°C23/28°C
23°C23/24°C
23°C22/24°C
22°C21/22°C
24°C22/27°C
25°C23/27°C
24°C24/26°C
23°C21/25°C
23°C20/27°C
23°C22/24°C
22°C21/23°C
22°C20/23°C
22°C20/24°C
21°C19/22°C
22°C20/24°C
23°C22/25°C
23°C22/24°C
--°C/°C
32AQI
28AQI
33AQI
30AQI
2025 Days Vs Air Quality
Seidacha, Sakaiminato, Shimane, Japan
79%
221
21%
58
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 280 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
Seidacha, Sakaiminato, Shimane, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
34AQI
30AQI
31AQI
28AQI
36AQI
32AQI
31AQI
30AQI
28AQI
29AQI
30AQI
31AQI
47AQI
34AQI
36AQI
28AQI
30AQI
36AQI
35AQI
37AQI
59AQI
66AQI
58AQI
44AQI
39AQI
32AQI
32AQI
35AQI
45AQI
76AQI
58AQI
45AQI
45AQI
40AQI
39AQI
33AQI
35AQI
32AQI
31AQI
32AQI
32AQI
37AQI
30AQI
34AQI
31AQI
36AQI
42AQI
36AQI
36AQI
33AQI
33AQI
33AQI
33AQI
35AQI
35AQI
50AQI
52AQI
57AQI
48AQI
48AQI
43AQI
39AQI
31AQI
34AQI
36AQI
38AQI
38AQI
38AQI
41AQI
40AQI
45AQI
36AQI
30AQI
23AQI
26AQI
27AQI
34AQI
43AQI
60AQI
63AQI
70AQI
65AQI
78AQI
68AQI
71AQI
50AQI
42AQI
40AQI
37AQI
35AQI
29AQI
23AQI
29AQI
34AQI
46AQI
43AQI
66AQI
46AQI
60AQI
53AQI
49AQI
40AQI
40AQI
30AQI
43AQI
42AQI
54AQI
51AQI
40AQI
37AQI
39AQI
24AQI
27AQI
58AQI
49AQI
49AQI
44AQI
50AQI
53AQI
46AQI
44AQI
42AQI
37AQI
37AQI
29AQI
28AQI
26AQI
28AQI
42AQI
41AQI
54AQI
52AQI
58AQI
56AQI
54AQI
43AQI
44AQI
51AQI
52AQI
56AQI
40AQI
47AQI
35AQI
28AQI
29AQI
31AQI
31AQI
34AQI
33AQI
37AQI
43AQI
47AQI
32AQI
41AQI
36AQI
49AQI
56AQI
60AQI
57AQI
34AQI
43AQI
48AQI
48AQI
35AQI
29AQI
30AQI
30AQI
39AQI
42AQI
48AQI
57AQI
67AQI
55AQI
53AQI
53AQI
54AQI
57AQI
55AQI
53AQI
54AQI
62AQI
63AQI
58AQI
65AQI
61AQI
57AQI
58AQI
57AQI
62AQI
64AQI
58AQI
55AQI
54AQI
44AQI
50AQI
55AQI
49AQI
43AQI
36AQI
35AQI
36AQI
34AQI
42AQI
50AQI
37AQI
29AQI
26AQI
29AQI
36AQI
41AQI
44AQI
43AQI
42AQI
44AQI
56AQI
48AQI
44AQI
44AQI
39AQI
39AQI
31AQI
31AQI
31AQI
36AQI
43AQI
40AQI
40AQI
40AQI
44AQI
50AQI
52AQI
50AQI
49AQI
49AQI
48AQI
47AQI
47AQI
45AQI
42AQI
46AQI
45AQI
44AQI
41AQI
37AQI
36AQI
30AQI
22AQI
27AQI
32AQI
33AQI
31AQI
32AQI
30AQI
29AQI
35AQI
33AQI
32AQI
32AQI
32AQI
25AQI
24AQI
33AQI
22AQI
23AQI
30AQI
28AQI
21AQI
24AQI
22AQI
20AQI
19AQI
36AQI
27AQI
41AQI
42AQI
41AQI
48AQI
49AQI
38AQI
38AQI
45AQI
43AQI
41AQI
47AQI
48AQI
44AQI
29AQI
41AQI
No. of days
202541AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
September29AQI
202436AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August30AQI
202338AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August27AQI
202243AQI
Highest AQI recorded in
September67AQI
Lowest AQI recorded in
August19AQI
202136AQI
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
January30AQI
202034AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Seidacha's annual 2025 AQI (41) shows an average percentage change of 11.7% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (43), 2023 (38), 2024 (36).