Sangencha, Toyota, 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
Sangencha, Toyota, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 37 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: 29th Sep - 30th Sep 2025
Sangencha, Toyota, Aichi, Japan
5 AM29th Sep 2025
6 PM
4 AM30th Sep 2025
44AQI
20AQI
44AQI
28AQI
In the last 24 hours,
Sangencha's AQI reached its highest point of 44 at 10 AM during the Day, while the lowest point, 20, was recorded at 3 PM during the Day between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Sangencha, Toyota, Aichi, Japan
31°C26/37°C
30°C26/35°C
30°C26/35°C
29°C25/35°C
25°C24/26°C
24°C23/27°C
26°C21/31°C
27°C23/32°C
29°C25/34°C
29°C26/34°C
27°C24/32°C
26°C23/29°C
25°C23/29°C
26°C23/28°C
27°C24/30°C
28°C25/33°C
28°C24/33°C
28°C25/33°C
27°C24/32°C
24°C22/27°C
23°C22/24°C
25°C21/30°C
22°C18/26°C
22°C19/26°C
22°C19/27°C
24°C22/28°C
26°C21/32°C
24°C20/29°C
24°C21/28°C
23°C21/28°C
--°C/°C
39AQI
35AQI
38AQI
35AQI
2025 Days Vs Air Quality
Sangencha, Toyota, Aichi, Japan
91%
247
9%
24
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 273 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
Sangencha, Toyota, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
31AQI
30AQI
27AQI
26AQI
22AQI
26AQI
25AQI
25AQI
21AQI
24AQI
22AQI
24AQI
28AQI
28AQI
23AQI
22AQI
23AQI
26AQI
25AQI
33AQI
32AQI
35AQI
33AQI
34AQI
29AQI
23AQI
27AQI
29AQI
28AQI
30AQI
34AQI
25AQI
26AQI
28AQI
29AQI
29AQI
29AQI
28AQI
28AQI
28AQI
30AQI
24AQI
31AQI
27AQI
30AQI
30AQI
32AQI
29AQI
30AQI
28AQI
29AQI
29AQI
30AQI
31AQI
31AQI
34AQI
38AQI
35AQI
38AQI
36AQI
32AQI
24AQI
21AQI
30AQI
30AQI
29AQI
34AQI
33AQI
29AQI
26AQI
33AQI
20AQI
20AQI
16AQI
15AQI
15AQI
14AQI
18AQI
28AQI
27AQI
33AQI
32AQI
50AQI
69AQI
55AQI
39AQI
31AQI
23AQI
22AQI
20AQI
21AQI
17AQI
17AQI
18AQI
12AQI
13AQI
13AQI
14AQI
16AQI
17AQI
22AQI
16AQI
18AQI
16AQI
16AQI
17AQI
21AQI
21AQI
18AQI
14AQI
14AQI
11AQI
11AQI
16AQI
16AQI
15AQI
14AQI
15AQI
15AQI
16AQI
15AQI
16AQI
16AQI
18AQI
14AQI
14AQI
15AQI
15AQI
13AQI
14AQI
16AQI
18AQI
18AQI
21AQI
18AQI
16AQI
19AQI
18AQI
25AQI
23AQI
20AQI
18AQI
16AQI
13AQI
15AQI
16AQI
14AQI
15AQI
14AQI
14AQI
14AQI
16AQI
14AQI
16AQI
18AQI
18AQI
19AQI
23AQI
17AQI
16AQI
15AQI
18AQI
18AQI
17AQI
16AQI
17AQI
19AQI
22AQI
24AQI
24AQI
21AQI
16AQI
15AQI
16AQI
16AQI
15AQI
18AQI
17AQI
18AQI
33AQI
39AQI
51AQI
66AQI
64AQI
70AQI
61AQI
68AQI
71AQI
79AQI
63AQI
55AQI
55AQI
53AQI
47AQI
49AQI
48AQI
42AQI
40AQI
34AQI
32AQI
32AQI
34AQI
37AQI
36AQI
28AQI
26AQI
27AQI
33AQI
41AQI
41AQI
41AQI
44AQI
45AQI
48AQI
66AQI
54AQI
52AQI
45AQI
41AQI
50AQI
40AQI
36AQI
35AQI
37AQI
42AQI
42AQI
43AQI
44AQI
47AQI
49AQI
47AQI
49AQI
49AQI
50AQI
58AQI
58AQI
57AQI
52AQI
50AQI
56AQI
56AQI
55AQI
45AQI
38AQI
41AQI
29AQI
26AQI
31AQI
34AQI
40AQI
42AQI
40AQI
35AQI
33AQI
30AQI
40AQI
34AQI
45AQI
50AQI
42AQI
35AQI
39AQI
28AQI
33AQI
37AQI
35AQI
41AQI
32AQI
33AQI
37AQI
27AQI
30AQI
30AQI
16AQI
17AQI
18AQI
47AQI
48AQI
37AQI
No. of days
202530AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
April16AQI
202437AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December24AQI
202335AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August26AQI
202234AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August15AQI
202133AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
March27AQI
202032AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
September24AQI
Most & Least Polluted Years Over the Last 6 Years
Sangencha's annual 2025 AQI (30) shows an average percentage change of -12.1% (improved AQI) compared to previous years: 2020 (32), 2021 (33), 2022 (34), 2023 (35), 2024 (37).