Takahama, 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
Takahama, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Takahama, Aichi, Japan
5 AM16th Sep 2025
6 PM
4 AM17th Sep 2025
AQI
AQI
63AQI
33AQI
In the last 24 hours,
Takahama's AQI reached its highest point of 63 at 3 PM during the Night, while the lowest point, 33, was recorded at 3 AM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Takahama, Aichi, Japan
30°C27/33°C
29°C26/32°C
29°C27/33°C
30°C27/33°C
30°C28/32°C
29°C27/30°C
29°C27/32°C
29°C27/31°C
28°C27/31°C
29°C26/32°C
29°C27/32°C
29°C27/31°C
31°C28/34°C
30°C28/33°C
29°C27/31°C
29°C27/32°C
28°C26/32°C
26°C25/27°C
26°C24/28°C
27°C24/31°C
28°C25/30°C
29°C27/33°C
29°C27/31°C
28°C26/30°C
26°C24/28°C
26°C25/28°C
27°C25/29°C
28°C26/30°C
29°C27/32°C
--°C/°C
--°C/°C
45AQI
39AQI
44AQI
38AQI
2025 Days Vs Air Quality
Takahama, Aichi, Japan
90%
233
10%
25
Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 259 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
Takahama, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
29AQI
30AQI
28AQI
26AQI
23AQI
27AQI
24AQI
26AQI
22AQI
23AQI
24AQI
26AQI
28AQI
29AQI
22AQI
27AQI
25AQI
29AQI
28AQI
31AQI
30AQI
39AQI
37AQI
37AQI
32AQI
26AQI
30AQI
28AQI
29AQI
33AQI
37AQI
26AQI
30AQI
29AQI
30AQI
30AQI
30AQI
30AQI
29AQI
29AQI
30AQI
25AQI
30AQI
28AQI
29AQI
30AQI
33AQI
30AQI
30AQI
29AQI
29AQI
30AQI
30AQI
32AQI
32AQI
35AQI
39AQI
40AQI
40AQI
39AQI
33AQI
27AQI
22AQI
30AQI
31AQI
30AQI
35AQI
33AQI
29AQI
27AQI
34AQI
20AQI
20AQI
18AQI
15AQI
16AQI
13AQI
19AQI
31AQI
30AQI
38AQI
36AQI
52AQI
74AQI
64AQI
41AQI
33AQI
33AQI
32AQI
25AQI
27AQI
19AQI
19AQI
19AQI
14AQI
18AQI
19AQI
17AQI
26AQI
24AQI
24AQI
19AQI
23AQI
18AQI
20AQI
24AQI
29AQI
29AQI
28AQI
22AQI
21AQI
16AQI
14AQI
22AQI
20AQI
22AQI
20AQI
21AQI
24AQI
21AQI
18AQI
18AQI
18AQI
18AQI
17AQI
16AQI
16AQI
16AQI
14AQI
15AQI
19AQI
21AQI
23AQI
24AQI
22AQI
21AQI
24AQI
25AQI
34AQI
31AQI
24AQI
23AQI
21AQI
17AQI
17AQI
17AQI
16AQI
18AQI
16AQI
15AQI
15AQI
19AQI
15AQI
18AQI
19AQI
20AQI
24AQI
27AQI
20AQI
19AQI
18AQI
21AQI
20AQI
18AQI
17AQI
20AQI
22AQI
22AQI
26AQI
26AQI
22AQI
14AQI
14AQI
14AQI
15AQI
15AQI
18AQI
17AQI
19AQI
34AQI
43AQI
55AQI
60AQI
61AQI
73AQI
63AQI
68AQI
75AQI
82AQI
63AQI
56AQI
54AQI
52AQI
45AQI
47AQI
47AQI
44AQI
40AQI
33AQI
32AQI
30AQI
30AQI
30AQI
31AQI
24AQI
23AQI
22AQI
27AQI
35AQI
34AQI
35AQI
44AQI
45AQI
46AQI
65AQI
52AQI
54AQI
45AQI
41AQI
46AQI
39AQI
34AQI
36AQI
37AQI
36AQI
39AQI
39AQI
41AQI
45AQI
49AQI
47AQI
50AQI
46AQI
50AQI
55AQI
56AQI
55AQI
53AQI
50AQI
55AQI
55AQI
54AQI
42AQI
34AQI
37AQI
25AQI
24AQI
27AQI
32AQI
35AQI
37AQI
32AQI
29AQI
29AQI
27AQI
33AQI
34AQI
28AQI
31AQI
32AQI
21AQI
20AQI
20AQI
46AQI
47AQI
32AQI
No. of days
202531AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
June20AQI
202430AQI
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
September24AQI
202328AQI
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August20AQI
202229AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August17AQI
202125AQI
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
January15AQI
202016AQI
Highest AQI recorded in
August22AQI
Lowest AQI recorded in
May13AQI
Most & Least Polluted Years Over the Last 6 Years
Takahama's annual 2025 AQI (31) shows an average percentage change of 25.7% (worsened AQI) compared to previous years: 2020 (16), 2021 (25), 2022 (29), 2023 (28), 2024 (30).