Takatsucho, Masuda, 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
Takatsucho, Masuda, Shimane, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Takatsucho, Masuda, Shimane, Japan
5 AM5th Oct 2025
6 PM
4 AM6th Oct 2025
AQI
AQI
56AQI
37AQI
In the last 24 hours,
Takatsucho's AQI reached its highest point of 56 at 1 AM during the Night, while the lowest point, 37, was recorded at 4 PM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Takatsucho, Masuda, Shimane, Japan
27°C24/30°C
27°C25/30°C
27°C25/29°C
26°C25/27°C
25°C23/26°C
26°C24/28°C
26°C23/29°C
27°C25/29°C
26°C25/28°C
27°C25/29°C
27°C24/30°C
26°C24/29°C
24°C22/25°C
23°C20/26°C
25°C23/28°C
23°C20/25°C
22°C20/26°C
22°C21/23°C
25°C22/28°C
25°C23/27°C
24°C22/26°C
23°C20/26°C
23°C19/26°C
22°C19/23°C
21°C18/24°C
21°C18/24°C
22°C19/24°C
20°C18/21°C
24°C20/26°C
--°C/°C
--°C/°C
33AQI
28AQI
34AQI
31AQI
2025 Days Vs Air Quality
Takatsucho, Masuda, Shimane, Japan
77%
214
23%
64
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 278 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
Takatsucho, Masuda, Shimane, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
40AQI
31AQI
31AQI
27AQI
40AQI
29AQI
32AQI
28AQI
27AQI
26AQI
29AQI
38AQI
44AQI
35AQI
33AQI
32AQI
29AQI
40AQI
36AQI
45AQI
58AQI
64AQI
56AQI
43AQI
38AQI
32AQI
32AQI
30AQI
45AQI
50AQI
47AQI
35AQI
45AQI
32AQI
37AQI
31AQI
34AQI
30AQI
29AQI
29AQI
32AQI
29AQI
30AQI
37AQI
30AQI
36AQI
41AQI
31AQI
34AQI
31AQI
33AQI
34AQI
33AQI
36AQI
34AQI
46AQI
48AQI
53AQI
52AQI
44AQI
41AQI
34AQI
32AQI
33AQI
33AQI
35AQI
38AQI
39AQI
39AQI
44AQI
47AQI
37AQI
32AQI
19AQI
32AQI
31AQI
42AQI
48AQI
55AQI
63AQI
65AQI
61AQI
71AQI
76AQI
59AQI
62AQI
48AQI
44AQI
42AQI
43AQI
34AQI
32AQI
34AQI
43AQI
50AQI
43AQI
41AQI
56AQI
53AQI
56AQI
48AQI
48AQI
42AQI
34AQI
46AQI
47AQI
54AQI
51AQI
41AQI
42AQI
34AQI
24AQI
37AQI
67AQI
52AQI
55AQI
49AQI
50AQI
51AQI
48AQI
44AQI
46AQI
42AQI
41AQI
36AQI
36AQI
41AQI
37AQI
37AQI
44AQI
54AQI
56AQI
59AQI
57AQI
55AQI
43AQI
53AQI
56AQI
55AQI
50AQI
42AQI
50AQI
38AQI
34AQI
33AQI
44AQI
37AQI
43AQI
42AQI
40AQI
46AQI
53AQI
35AQI
45AQI
47AQI
52AQI
58AQI
61AQI
61AQI
38AQI
47AQI
53AQI
48AQI
34AQI
32AQI
32AQI
33AQI
45AQI
42AQI
51AQI
57AQI
68AQI
47AQI
42AQI
45AQI
51AQI
52AQI
47AQI
43AQI
51AQI
64AQI
64AQI
61AQI
71AQI
65AQI
56AQI
58AQI
58AQI
64AQI
70AQI
64AQI
57AQI
54AQI
40AQI
52AQI
56AQI
44AQI
36AQI
32AQI
31AQI
28AQI
30AQI
36AQI
37AQI
37AQI
31AQI
27AQI
29AQI
30AQI
41AQI
36AQI
44AQI
43AQI
44AQI
51AQI
47AQI
46AQI
52AQI
44AQI
41AQI
30AQI
29AQI
30AQI
38AQI
40AQI
40AQI
38AQI
41AQI
45AQI
51AQI
48AQI
42AQI
40AQI
46AQI
43AQI
44AQI
46AQI
43AQI
43AQI
48AQI
45AQI
44AQI
40AQI
36AQI
35AQI
28AQI
25AQI
27AQI
32AQI
30AQI
30AQI
28AQI
28AQI
27AQI
32AQI
29AQI
32AQI
30AQI
32AQI
23AQI
24AQI
29AQI
20AQI
21AQI
25AQI
25AQI
33AQI
32AQI
21AQI
30AQI
19AQI
31AQI
41AQI
58AQI
53AQI
51AQI
51AQI
37AQI
36AQI
45AQI
45AQI
45AQI
47AQI
47AQI
43AQI
28AQI
51AQI
No. of days
202542AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
September28AQI
202435AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
July27AQI
202337AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August29AQI
202237AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
August27AQI
202135AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
August29AQI
202030AQI
Highest AQI recorded in
September30AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 6 Years
Takatsucho's annual 2025 AQI (42) shows an average percentage change of 20.1% (worsened AQI) compared to previous years: 2020 (30), 2021 (35), 2022 (37), 2023 (37), 2024 (35).