Odakacho, Nagoya, Aichi, 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
Odakacho, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Odakacho, Nagoya, Aichi, Japan
5 AM20th Sep 2025
6 PM
4 AM21st Sep 2025
40AQI
28AQI
46AQI
37AQI
In the last 24 hours,
Odakacho's AQI reached its highest point of 46 at 8 PM during the Night, while the lowest point, 28, was recorded at 10 AM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Odakacho, Nagoya, Aichi, Japan
31°C28/36°C
30°C27/33°C
31°C27/35°C
30°C27/33°C
29°C26/33°C
30°C26/34°C
30°C26/35°C
30°C27/34°C
32°C28/37°C
31°C28/37°C
30°C28/34°C
30°C27/35°C
29°C26/35°C
26°C24/27°C
25°C23/28°C
27°C24/32°C
28°C25/32°C
30°C26/34°C
30°C27/34°C
28°C26/32°C
26°C24/29°C
26°C24/30°C
27°C24/30°C
28°C25/31°C
29°C26/34°C
29°C26/33°C
29°C26/34°C
28°C25/33°C
25°C23/28°C
24°C23/25°C
--°C/°C
45AQI
39AQI
40AQI
40AQI
2025 Days Vs Air Quality
Odakacho, Nagoya, Aichi, Japan
90%
237
10%
26
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 264 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Odakacho, Nagoya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
29AQI
28AQI
27AQI
26AQI
23AQI
26AQI
25AQI
26AQI
22AQI
24AQI
23AQI
26AQI
29AQI
29AQI
24AQI
26AQI
25AQI
27AQI
27AQI
31AQI
31AQI
39AQI
37AQI
38AQI
32AQI
29AQI
29AQI
30AQI
28AQI
33AQI
36AQI
26AQI
30AQI
28AQI
28AQI
29AQI
29AQI
28AQI
28AQI
28AQI
29AQI
25AQI
31AQI
27AQI
29AQI
30AQI
32AQI
29AQI
29AQI
28AQI
29AQI
29AQI
30AQI
31AQI
30AQI
35AQI
38AQI
38AQI
39AQI
39AQI
33AQI
26AQI
24AQI
30AQI
30AQI
31AQI
34AQI
33AQI
28AQI
25AQI
32AQI
22AQI
20AQI
17AQI
16AQI
17AQI
14AQI
19AQI
31AQI
30AQI
37AQI
39AQI
52AQI
78AQI
67AQI
42AQI
34AQI
33AQI
34AQI
25AQI
25AQI
18AQI
18AQI
20AQI
14AQI
19AQI
21AQI
19AQI
26AQI
25AQI
24AQI
20AQI
23AQI
18AQI
20AQI
24AQI
31AQI
30AQI
29AQI
23AQI
22AQI
15AQI
14AQI
23AQI
24AQI
25AQI
24AQI
21AQI
26AQI
22AQI
19AQI
19AQI
18AQI
18AQI
16AQI
14AQI
16AQI
16AQI
14AQI
15AQI
21AQI
22AQI
26AQI
25AQI
23AQI
20AQI
24AQI
25AQI
35AQI
32AQI
25AQI
23AQI
22AQI
17AQI
18AQI
19AQI
16AQI
20AQI
17AQI
17AQI
14AQI
20AQI
15AQI
19AQI
19AQI
20AQI
25AQI
30AQI
22AQI
22AQI
21AQI
23AQI
24AQI
21AQI
21AQI
24AQI
25AQI
26AQI
30AQI
28AQI
24AQI
18AQI
15AQI
15AQI
16AQI
15AQI
21AQI
20AQI
23AQI
45AQI
57AQI
79AQI
66AQI
69AQI
81AQI
64AQI
70AQI
78AQI
87AQI
61AQI
51AQI
49AQI
49AQI
39AQI
46AQI
43AQI
38AQI
34AQI
31AQI
31AQI
32AQI
32AQI
33AQI
32AQI
25AQI
23AQI
25AQI
29AQI
37AQI
38AQI
39AQI
45AQI
45AQI
46AQI
64AQI
51AQI
53AQI
45AQI
39AQI
49AQI
37AQI
35AQI
35AQI
38AQI
42AQI
40AQI
42AQI
38AQI
45AQI
47AQI
48AQI
49AQI
47AQI
50AQI
56AQI
56AQI
55AQI
54AQI
51AQI
56AQI
55AQI
54AQI
43AQI
35AQI
39AQI
25AQI
25AQI
27AQI
33AQI
38AQI
38AQI
36AQI
29AQI
30AQI
28AQI
36AQI
33AQI
46AQI
52AQI
41AQI
33AQI
38AQI
28AQI
30AQI
32AQI
22AQI
20AQI
22AQI
47AQI
47AQI
35AQI
No. of days
202532AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May20AQI
202430AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
September25AQI
202328AQI
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
August20AQI
202233AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
August17AQI
202124AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
January14AQI
202016AQI
Highest AQI recorded in
August21AQI
Lowest AQI recorded in
December13AQI
Most & Least Polluted Years Over the Last 6 Years
Odakacho's annual 2025 AQI (32) shows an average percentage change of 27.3% (worsened AQI) compared to previous years: 2020 (16), 2021 (24), 2022 (33), 2023 (28), 2024 (30).