Kotobukicho, Kariya, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Kotobukicho, Kariya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Kotobukicho, Kariya, Aichi, Japan
4 AM7th Aug 2025
7 PM
3 AM8th Aug 2025
AQI
AQI
55AQI
36AQI
In the last 24 hours,
Kotobukicho's AQI reached its highest point of 55 at 11 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kotobukicho, Kariya, Aichi, Japan
29°C26/33°C
30°C26/34°C
28°C26/31°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
27°C25/31°C
27°C25/31°C
25°C24/26°C
27°C23/30°C
27°C24/31°C
28°C24/32°C
29°C25/33°C
29°C26/34°C
29°C26/33°C
29°C26/34°C
29°C26/33°C
29°C26/34°C
29°C26/33°C
30°C26/34°C
30°C27/36°C
30°C27/35°C
30°C27/33°C
31°C27/37°C
31°C27/37°C
32°C28/37°C
30°C27/34°C
32°C28/37°C
33°C29/36°C
--°C/°C
--°C/°C
47AQI
40AQI
45AQI
41AQI
2025 Days Vs Air Quality
Kotobukicho, Kariya, Aichi, Japan
91%
199
9%
19
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 219 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
Kotobukicho, Kariya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
29AQI
29AQI
27AQI
25AQI
22AQI
26AQI
25AQI
27AQI
22AQI
24AQI
24AQI
26AQI
30AQI
30AQI
25AQI
27AQI
26AQI
29AQI
29AQI
32AQI
32AQI
41AQI
37AQI
38AQI
32AQI
27AQI
31AQI
29AQI
29AQI
34AQI
38AQI
28AQI
33AQI
30AQI
31AQI
30AQI
31AQI
29AQI
29AQI
29AQI
30AQI
25AQI
32AQI
28AQI
29AQI
31AQI
33AQI
30AQI
30AQI
29AQI
29AQI
30AQI
30AQI
32AQI
33AQI
36AQI
40AQI
39AQI
41AQI
40AQI
33AQI
28AQI
24AQI
31AQI
31AQI
32AQI
36AQI
34AQI
30AQI
27AQI
35AQI
22AQI
21AQI
18AQI
15AQI
17AQI
14AQI
20AQI
31AQI
32AQI
40AQI
39AQI
54AQI
80AQI
66AQI
43AQI
36AQI
34AQI
35AQI
27AQI
27AQI
19AQI
19AQI
20AQI
16AQI
21AQI
23AQI
20AQI
31AQI
27AQI
28AQI
20AQI
25AQI
19AQI
24AQI
27AQI
33AQI
33AQI
32AQI
26AQI
24AQI
17AQI
15AQI
28AQI
24AQI
28AQI
25AQI
28AQI
28AQI
25AQI
19AQI
20AQI
19AQI
18AQI
17AQI
16AQI
16AQI
16AQI
14AQI
15AQI
19AQI
22AQI
23AQI
24AQI
22AQI
20AQI
24AQI
26AQI
33AQI
32AQI
25AQI
23AQI
22AQI
17AQI
18AQI
17AQI
16AQI
19AQI
17AQI
16AQI
15AQI
20AQI
15AQI
20AQI
20AQI
21AQI
24AQI
28AQI
21AQI
20AQI
20AQI
23AQI
24AQI
21AQI
20AQI
22AQI
24AQI
24AQI
27AQI
27AQI
22AQI
15AQI
15AQI
15AQI
16AQI
15AQI
20AQI
18AQI
21AQI
41AQI
55AQI
60AQI
60AQI
64AQI
80AQI
65AQI
72AQI
80AQI
87AQI
61AQI
53AQI
52AQI
52AQI
42AQI
50AQI
48AQI
46AQI
39AQI
36AQI
35AQI
33AQI
33AQI
33AQI
33AQI
26AQI
26AQI
26AQI
31AQI
38AQI
38AQI
38AQI
44AQI
45AQI
46AQI
65AQI
52AQI
53AQI
29AQI
31AQI
34AQI
24AQI
20AQI
21AQI
48AQI
51AQI
No. of days
202530AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
May20AQI
202431AQI
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
December25AQI
202329AQI
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
August21AQI
202229AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August21AQI
202122AQI
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
January13AQI
202016AQI
Highest AQI recorded in
August21AQI
Lowest AQI recorded in
December13AQI
Most & Least Polluted Years Over the Last 6 Years
Kotobukicho's annual 2025 AQI (30) shows an average percentage change of 28.1% (worsened AQI) compared to previous years: 2020 (16), 2021 (22), 2022 (29), 2023 (29), 2024 (31).