Nishinoji, Naka, Tokushima, 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
Nishinoji, Naka, Tokushima, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (30th 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: 30th Sep - 1st Oct 2025
Nishinoji, Naka, Tokushima, Japan
5 AM30th Sep 2025
6 PM
4 AM1st Oct 2025
AQI
AQI
45AQI
14AQI
In the last 24 hours,
Nishinoji's AQI reached its highest point of 45 at 2 AM during the Night, while the lowest point, 14, was recorded at 11 PM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Nishinoji, Naka, Tokushima, Japan
27°C25/30°C
27°C25/30°C
27°C25/29°C
25°C24/25°C
27°C26/30°C
27°C24/29°C
27°C25/29°C
27°C25/30°C
27°C26/30°C
27°C25/30°C
25°C24/27°C
26°C24/28°C
27°C24/29°C
27°C26/29°C
27°C25/29°C
27°C25/29°C
27°C25/29°C
26°C24/29°C
25°C23/27°C
26°C24/28°C
25°C22/27°C
23°C21/25°C
23°C23/24°C
24°C23/24°C
24°C24/25°C
25°C23/27°C
24°C21/26°C
23°C21/26°C
24°C21/26°C
--°C/°C
--°C/°C
34AQI
28AQI
34AQI
31AQI
2025 Days Vs Air Quality
Nishinoji, Naka, Tokushima, Japan
76%
208
23%
64
0.3%
1
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
Nishinoji, Naka, Tokushima, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
41AQI
36AQI
32AQI
30AQI
30AQI
31AQI
26AQI
28AQI
27AQI
28AQI
30AQI
31AQI
39AQI
36AQI
33AQI
29AQI
29AQI
31AQI
38AQI
36AQI
48AQI
52AQI
63AQI
42AQI
41AQI
30AQI
31AQI
29AQI
38AQI
58AQI
59AQI
40AQI
44AQI
36AQI
38AQI
33AQI
33AQI
32AQI
31AQI
32AQI
33AQI
32AQI
31AQI
33AQI
30AQI
45AQI
42AQI
36AQI
35AQI
31AQI
33AQI
37AQI
33AQI
34AQI
34AQI
37AQI
55AQI
51AQI
63AQI
67AQI
46AQI
40AQI
30AQI
35AQI
34AQI
37AQI
38AQI
38AQI
35AQI
38AQI
48AQI
39AQI
33AQI
25AQI
34AQI
23AQI
33AQI
34AQI
47AQI
52AQI
59AQI
58AQI
65AQI
77AQI
58AQI
54AQI
46AQI
40AQI
35AQI
34AQI
30AQI
27AQI
27AQI
38AQI
42AQI
43AQI
40AQI
56AQI
55AQI
54AQI
55AQI
41AQI
47AQI
26AQI
39AQI
45AQI
54AQI
56AQI
43AQI
40AQI
41AQI
37AQI
30AQI
54AQI
54AQI
55AQI
47AQI
45AQI
57AQI
51AQI
38AQI
45AQI
39AQI
39AQI
27AQI
31AQI
27AQI
40AQI
31AQI
32AQI
44AQI
51AQI
57AQI
53AQI
51AQI
41AQI
56AQI
56AQI
61AQI
41AQI
36AQI
49AQI
37AQI
30AQI
30AQI
35AQI
34AQI
32AQI
31AQI
35AQI
42AQI
49AQI
29AQI
45AQI
44AQI
49AQI
54AQI
59AQI
39AQI
35AQI
38AQI
52AQI
42AQI
33AQI
37AQI
46AQI
44AQI
50AQI
51AQI
56AQI
52AQI
51AQI
47AQI
38AQI
36AQI
48AQI
51AQI
58AQI
56AQI
57AQI
62AQI
73AQI
75AQI
75AQI
101AQI
89AQI
73AQI
80AQI
88AQI
68AQI
54AQI
53AQI
47AQI
44AQI
53AQI
56AQI
43AQI
40AQI
37AQI
34AQI
31AQI
30AQI
29AQI
28AQI
27AQI
27AQI
24AQI
25AQI
29AQI
31AQI
36AQI
44AQI
44AQI
47AQI
58AQI
50AQI
50AQI
47AQI
47AQI
47AQI
47AQI
37AQI
36AQI
40AQI
45AQI
46AQI
44AQI
42AQI
45AQI
46AQI
43AQI
42AQI
40AQI
47AQI
50AQI
50AQI
54AQI
53AQI
52AQI
54AQI
54AQI
52AQI
38AQI
33AQI
36AQI
35AQI
25AQI
27AQI
32AQI
31AQI
34AQI
32AQI
28AQI
29AQI
28AQI
32AQI
41AQI
47AQI
49AQI
37AQI
32AQI
40AQI
28AQI
29AQI
30AQI
28AQI
28AQI
29AQI
28AQI
31AQI
30AQI
25AQI
36AQI
37AQI
44AQI
44AQI
41AQI
46AQI
50AQI
47AQI
32AQI
No. of days
202542AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
September32AQI
202437AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
December29AQI
202339AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August29AQI
202238AQI
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
December34AQI
202136AQI
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
January32AQI
202038AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
December29AQI
Most & Least Polluted Years Over the Last 6 Years
Nishinoji's annual 2025 AQI (42) shows an average percentage change of 11.5% (worsened AQI) compared to previous years: 2020 (38), 2021 (36), 2022 (38), 2023 (39), 2024 (37).