Enyacho, Izumo, Shimane, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Enyacho, Izumo, Shimane, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 18 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Enyacho, Izumo, Shimane, Japan
5 AM30th Sep 2025
6 PM
4 AM1st Oct 2025
AQI
AQI
39AQI
19AQI
In the last 24 hours,
Enyacho's AQI reached its highest point of 39 at 1 AM during the Night, while the lowest point, 19, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Enyacho, Izumo, Shimane, Japan
27°C23/32°C
26°C23/31°C
26°C22/31°C
25°C23/29°C
25°C21/29°C
25°C21/30°C
26°C22/31°C
26°C23/30°C
25°C23/27°C
24°C22/27°C
25°C22/28°C
24°C21/29°C
25°C22/30°C
25°C23/28°C
26°C23/30°C
26°C23/31°C
26°C23/30°C
23°C20/24°C
22°C18/26°C
22°C20/26°C
21°C17/24°C
20°C16/24°C
19°C17/21°C
23°C19/28°C
23°C21/27°C
23°C19/26°C
20°C16/25°C
21°C16/27°C
21°C17/23°C
--°C/°C
--°C/°C
30AQI
25AQI
30AQI
28AQI
2025 Days Vs Air Quality
Enyacho, Izumo, Shimane, Japan
76%
208
24%
64
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 273 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
Enyacho, Izumo, Shimane, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
35AQI
31AQI
32AQI
28AQI
38AQI
31AQI
32AQI
29AQI
29AQI
29AQI
30AQI
32AQI
46AQI
34AQI
34AQI
28AQI
27AQI
36AQI
32AQI
37AQI
52AQI
59AQI
51AQI
43AQI
38AQI
32AQI
32AQI
33AQI
46AQI
68AQI
54AQI
41AQI
48AQI
37AQI
39AQI
32AQI
36AQI
31AQI
30AQI
32AQI
29AQI
29AQI
30AQI
33AQI
30AQI
34AQI
37AQI
32AQI
31AQI
30AQI
31AQI
32AQI
33AQI
34AQI
34AQI
49AQI
45AQI
53AQI
47AQI
42AQI
41AQI
36AQI
31AQI
34AQI
34AQI
35AQI
37AQI
38AQI
39AQI
37AQI
43AQI
34AQI
28AQI
20AQI
26AQI
27AQI
37AQI
43AQI
54AQI
62AQI
68AQI
63AQI
76AQI
73AQI
68AQI
56AQI
45AQI
42AQI
37AQI
38AQI
28AQI
22AQI
28AQI
36AQI
45AQI
43AQI
45AQI
51AQI
55AQI
54AQI
49AQI
42AQI
42AQI
31AQI
47AQI
43AQI
52AQI
51AQI
43AQI
39AQI
40AQI
23AQI
31AQI
71AQI
53AQI
54AQI
45AQI
54AQI
53AQI
47AQI
43AQI
44AQI
39AQI
39AQI
31AQI
30AQI
29AQI
30AQI
36AQI
42AQI
53AQI
54AQI
60AQI
59AQI
56AQI
45AQI
47AQI
52AQI
49AQI
55AQI
41AQI
52AQI
36AQI
31AQI
29AQI
33AQI
32AQI
40AQI
38AQI
40AQI
47AQI
52AQI
34AQI
42AQI
42AQI
50AQI
58AQI
63AQI
65AQI
37AQI
50AQI
51AQI
54AQI
36AQI
32AQI
34AQI
34AQI
46AQI
43AQI
51AQI
60AQI
75AQI
55AQI
47AQI
50AQI
54AQI
56AQI
54AQI
47AQI
51AQI
65AQI
58AQI
60AQI
68AQI
60AQI
51AQI
54AQI
56AQI
61AQI
68AQI
57AQI
54AQI
54AQI
39AQI
50AQI
59AQI
47AQI
37AQI
37AQI
37AQI
36AQI
34AQI
41AQI
49AQI
42AQI
31AQI
29AQI
30AQI
35AQI
43AQI
42AQI
45AQI
44AQI
44AQI
55AQI
47AQI
47AQI
46AQI
40AQI
43AQI
30AQI
30AQI
31AQI
36AQI
42AQI
40AQI
40AQI
42AQI
45AQI
52AQI
52AQI
52AQI
50AQI
50AQI
47AQI
46AQI
45AQI
44AQI
43AQI
47AQI
45AQI
44AQI
42AQI
37AQI
36AQI
30AQI
25AQI
27AQI
32AQI
33AQI
31AQI
30AQI
29AQI
29AQI
34AQI
33AQI
31AQI
31AQI
31AQI
24AQI
23AQI
31AQI
21AQI
23AQI
27AQI
28AQI
23AQI
25AQI
22AQI
18AQI
18AQI
37AQI
36AQI
44AQI
44AQI
42AQI
49AQI
48AQI
44AQI
28AQI
No. of days
202541AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
September28AQI
202436AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
July28AQI
202341AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August31AQI
202243AQI
Highest AQI recorded in
September70AQI
Lowest AQI recorded in
August27AQI
202138AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
September34AQI
202036AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Enyacho's annual 2025 AQI (41) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2020 (36), 2021 (38), 2022 (43), 2023 (41), 2024 (36).