Takebe, Soja, Okayama, 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
Takebe, Soja, Okayama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 25 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: 22nd Sep - 23rd Sep 2025
Takebe, Soja, Okayama, Japan
5 AM22nd Sep 2025
6 PM
4 AM23rd Sep 2025
AQI
AQI
31AQI
16AQI
In the last 24 hours,
Takebe's AQI reached its highest point of 31 at 3 AM during the Night, while the lowest point, 16, was recorded at 12 PM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Takebe, Soja, Okayama, Japan
28°C25/34°C
28°C24/32°C
27°C24/32°C
26°C23/31°C
26°C23/31°C
28°C24/34°C
28°C24/35°C
28°C24/34°C
28°C24/33°C
28°C24/33°C
27°C23/32°C
24°C24/26°C
26°C23/32°C
26°C21/33°C
27°C24/33°C
27°C24/32°C
27°C24/31°C
24°C22/28°C
25°C21/29°C
25°C21/30°C
26°C22/30°C
26°C23/30°C
27°C23/33°C
27°C24/32°C
27°C24/32°C
24°C21/28°C
23°C19/28°C
24°C21/28°C
23°C18/27°C
--°C/°C
--°C/°C
39AQI
34AQI
40AQI
39AQI
2025 Days Vs Air Quality
Takebe, Soja, Okayama, Japan
68%
179
32%
84
0.3%
1
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 265 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Takebe, Soja, Okayama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
40AQI
31AQI
32AQI
32AQI
38AQI
32AQI
31AQI
28AQI
28AQI
27AQI
31AQI
33AQI
46AQI
38AQI
36AQI
32AQI
32AQI
40AQI
42AQI
40AQI
60AQI
69AQI
62AQI
44AQI
40AQI
34AQI
35AQI
33AQI
45AQI
70AQI
65AQI
44AQI
48AQI
40AQI
39AQI
32AQI
35AQI
31AQI
31AQI
31AQI
32AQI
38AQI
31AQI
38AQI
29AQI
43AQI
41AQI
36AQI
33AQI
30AQI
31AQI
33AQI
32AQI
34AQI
38AQI
41AQI
58AQI
62AQI
78AQI
77AQI
51AQI
43AQI
34AQI
37AQI
34AQI
40AQI
41AQI
42AQI
41AQI
44AQI
52AQI
46AQI
36AQI
23AQI
33AQI
32AQI
40AQI
47AQI
57AQI
58AQI
63AQI
65AQI
73AQI
79AQI
77AQI
50AQI
52AQI
43AQI
44AQI
38AQI
35AQI
25AQI
37AQI
41AQI
48AQI
45AQI
51AQI
59AQI
59AQI
59AQI
51AQI
39AQI
48AQI
29AQI
46AQI
49AQI
61AQI
61AQI
57AQI
41AQI
49AQI
31AQI
33AQI
68AQI
53AQI
61AQI
50AQI
52AQI
59AQI
57AQI
40AQI
52AQI
39AQI
45AQI
33AQI
36AQI
33AQI
41AQI
36AQI
37AQI
52AQI
54AQI
63AQI
59AQI
57AQI
46AQI
47AQI
56AQI
67AQI
61AQI
42AQI
53AQI
40AQI
28AQI
31AQI
36AQI
39AQI
43AQI
40AQI
40AQI
45AQI
58AQI
29AQI
43AQI
45AQI
57AQI
60AQI
72AQI
57AQI
37AQI
43AQI
55AQI
58AQI
42AQI
37AQI
42AQI
39AQI
48AQI
52AQI
56AQI
56AQI
56AQI
50AQI
49AQI
47AQI
47AQI
55AQI
56AQI
58AQI
59AQI
62AQI
80AQI
88AQI
106AQI
89AQI
76AQI
75AQI
73AQI
80AQI
75AQI
67AQI
61AQI
56AQI
48AQI
52AQI
57AQI
46AQI
46AQI
42AQI
36AQI
39AQI
46AQI
41AQI
37AQI
28AQI
27AQI
25AQI
29AQI
38AQI
44AQI
45AQI
46AQI
44AQI
49AQI
59AQI
53AQI
50AQI
46AQI
46AQI
46AQI
43AQI
32AQI
36AQI
41AQI
50AQI
51AQI
50AQI
48AQI
51AQI
48AQI
48AQI
45AQI
43AQI
48AQI
53AQI
56AQI
56AQI
51AQI
53AQI
53AQI
55AQI
53AQI
40AQI
36AQI
41AQI
26AQI
23AQI
31AQI
33AQI
34AQI
32AQI
41AQI
32AQI
30AQI
35AQI
39AQI
38AQI
44AQI
45AQI
28AQI
29AQI
42AQI
25AQI
39AQI
38AQI
49AQI
48AQI
45AQI
50AQI
55AQI
48AQI
34AQI
No. of days
202546AQI
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
September34AQI
202440AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
December31AQI
202344AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
August29AQI
202242AQI
Highest AQI recorded in
March54AQI
Lowest AQI recorded in
September32AQI
202140AQI
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
July35AQI
202040AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 6 Years
Takebe's annual 2025 AQI (46) shows an average percentage change of 11.1% (worsened AQI) compared to previous years: 2020 (40), 2021 (40), 2022 (42), 2023 (44), 2024 (40).