Haraicha, 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
Haraicha, Toyota, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Haraicha, Toyota, Aichi, Japan
5 AM30th Sep 2025
5 PM
4 AM1st Oct 2025
AQI
AQI
56AQI
31AQI
In the last 24 hours,
Haraicha's AQI reached its highest point of 56 at 12 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Haraicha, Toyota, Aichi, Japan
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
--°C/°C
36AQI
33AQI
35AQI
33AQI
2025 Days Vs Air Quality
Haraicha, Toyota, Aichi, Japan
91%
247
9%
25
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
Haraicha, Toyota, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
31AQI
30AQI
27AQI
26AQI
23AQI
27AQI
26AQI
26AQI
21AQI
24AQI
23AQI
25AQI
27AQI
28AQI
23AQI
27AQI
25AQI
25AQI
25AQI
32AQI
30AQI
35AQI
34AQI
33AQI
29AQI
23AQI
27AQI
28AQI
28AQI
30AQI
33AQI
24AQI
26AQI
28AQI
29AQI
29AQI
29AQI
28AQI
28AQI
28AQI
30AQI
25AQI
32AQI
27AQI
30AQI
29AQI
32AQI
29AQI
29AQI
28AQI
29AQI
28AQI
30AQI
31AQI
31AQI
34AQI
38AQI
34AQI
38AQI
36AQI
31AQI
23AQI
22AQI
30AQI
30AQI
29AQI
34AQI
32AQI
29AQI
24AQI
33AQI
20AQI
20AQI
16AQI
15AQI
14AQI
14AQI
17AQI
27AQI
25AQI
31AQI
30AQI
48AQI
71AQI
56AQI
39AQI
32AQI
24AQI
22AQI
20AQI
20AQI
17AQI
17AQI
18AQI
11AQI
13AQI
14AQI
14AQI
16AQI
18AQI
19AQI
15AQI
18AQI
16AQI
16AQI
17AQI
21AQI
21AQI
18AQI
15AQI
14AQI
11AQI
11AQI
16AQI
16AQI
16AQI
14AQI
15AQI
16AQI
16AQI
15AQI
16AQI
16AQI
18AQI
14AQI
14AQI
15AQI
15AQI
13AQI
14AQI
16AQI
18AQI
18AQI
22AQI
18AQI
17AQI
18AQI
20AQI
26AQI
25AQI
21AQI
19AQI
17AQI
14AQI
15AQI
16AQI
14AQI
15AQI
14AQI
14AQI
13AQI
16AQI
14AQI
17AQI
17AQI
18AQI
19AQI
24AQI
17AQI
16AQI
15AQI
18AQI
18AQI
16AQI
16AQI
16AQI
18AQI
21AQI
24AQI
24AQI
21AQI
17AQI
16AQI
16AQI
16AQI
16AQI
18AQI
18AQI
19AQI
32AQI
38AQI
49AQI
62AQI
63AQI
70AQI
60AQI
69AQI
72AQI
79AQI
63AQI
56AQI
55AQI
53AQI
47AQI
49AQI
48AQI
43AQI
40AQI
33AQI
31AQI
31AQI
32AQI
36AQI
33AQI
25AQI
24AQI
24AQI
31AQI
39AQI
40AQI
39AQI
44AQI
46AQI
48AQI
65AQI
54AQI
53AQI
45AQI
42AQI
50AQI
39AQI
35AQI
34AQI
36AQI
41AQI
42AQI
45AQI
43AQI
45AQI
48AQI
48AQI
49AQI
48AQI
51AQI
57AQI
58AQI
57AQI
53AQI
51AQI
56AQI
56AQI
55AQI
44AQI
37AQI
38AQI
27AQI
23AQI
28AQI
34AQI
39AQI
40AQI
36AQI
30AQI
31AQI
28AQI
40AQI
33AQI
45AQI
50AQI
41AQI
34AQI
38AQI
27AQI
31AQI
36AQI
34AQI
39AQI
28AQI
33AQI
33AQI
29AQI
27AQI
30AQI
29AQI
16AQI
17AQI
18AQI
46AQI
48AQI
35AQI
No. of days
202530AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
April16AQI
202435AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December24AQI
202333AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August23AQI
202232AQI
Highest AQI recorded in
May41AQI
Lowest AQI recorded in
December24AQI
202128AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
April23AQI
202028AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
September18AQI
Most & Least Polluted Years Over the Last 6 Years
Haraicha's annual 2025 AQI (30) shows an average percentage change of -3.9% (improved AQI) compared to previous years: 2020 (28), 2021 (28), 2022 (32), 2023 (33), 2024 (35).