Nisshin, 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
Nisshin, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Nisshin, Aichi, Japan
4 AM5th Aug 2025
7 PM
3 AM6th Aug 2025
AQI
AQI
67AQI
49AQI
In the last 24 hours,
Nisshin's AQI reached its highest point of 67 at 10 AM during the Night, while the lowest point, 49, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nisshin, Aichi, Japan
30°C26/35°C
29°C25/33°C
29°C24/33°C
29°C25/35°C
27°C25/31°C
26°C24/31°C
27°C24/31°C
27°C23/32°C
26°C24/29°C
26°C23/30°C
24°C22/25°C
26°C21/30°C
26°C22/31°C
27°C23/32°C
28°C24/33°C
29°C25/35°C
29°C25/34°C
29°C24/34°C
29°C25/33°C
29°C24/34°C
29°C24/34°C
29°C25/34°C
30°C25/37°C
30°C26/35°C
29°C26/33°C
30°C25/38°C
30°C26/37°C
31°C26/37°C
30°C26/34°C
--°C/°C
--°C/°C
47AQI
37AQI
44AQI
43AQI
2025 Days Vs Air Quality
Nisshin, Aichi, Japan
93%
201
7%
15
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 217 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
Nisshin, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
28AQI
28AQI
27AQI
25AQI
22AQI
27AQI
25AQI
26AQI
21AQI
25AQI
24AQI
25AQI
30AQI
30AQI
24AQI
27AQI
25AQI
26AQI
26AQI
31AQI
30AQI
36AQI
36AQI
35AQI
31AQI
27AQI
29AQI
29AQI
29AQI
32AQI
35AQI
25AQI
28AQI
29AQI
30AQI
29AQI
29AQI
28AQI
28AQI
29AQI
30AQI
25AQI
30AQI
27AQI
30AQI
30AQI
32AQI
30AQI
30AQI
29AQI
29AQI
29AQI
31AQI
31AQI
31AQI
35AQI
38AQI
36AQI
38AQI
36AQI
32AQI
24AQI
23AQI
31AQI
31AQI
30AQI
34AQI
33AQI
29AQI
26AQI
33AQI
23AQI
20AQI
16AQI
15AQI
16AQI
15AQI
18AQI
29AQI
26AQI
33AQI
32AQI
47AQI
72AQI
59AQI
40AQI
31AQI
28AQI
29AQI
21AQI
23AQI
17AQI
17AQI
18AQI
15AQI
17AQI
18AQI
18AQI
24AQI
25AQI
24AQI
19AQI
23AQI
17AQI
20AQI
23AQI
29AQI
31AQI
27AQI
22AQI
20AQI
15AQI
13AQI
23AQI
21AQI
22AQI
21AQI
21AQI
23AQI
21AQI
18AQI
20AQI
20AQI
19AQI
16AQI
16AQI
16AQI
17AQI
15AQI
16AQI
20AQI
24AQI
24AQI
25AQI
23AQI
19AQI
26AQI
27AQI
36AQI
34AQI
25AQI
24AQI
24AQI
17AQI
18AQI
18AQI
16AQI
19AQI
17AQI
17AQI
15AQI
21AQI
16AQI
19AQI
20AQI
22AQI
28AQI
32AQI
23AQI
19AQI
17AQI
21AQI
21AQI
18AQI
17AQI
18AQI
21AQI
23AQI
25AQI
26AQI
23AQI
18AQI
16AQI
17AQI
17AQI
16AQI
20AQI
18AQI
19AQI
34AQI
42AQI
54AQI
65AQI
63AQI
71AQI
61AQI
67AQI
72AQI
80AQI
63AQI
56AQI
55AQI
53AQI
47AQI
49AQI
48AQI
43AQI
40AQI
37AQI
34AQI
33AQI
32AQI
33AQI
30AQI
25AQI
24AQI
24AQI
27AQI
33AQI
33AQI
36AQI
44AQI
45AQI
47AQI
65AQI
28AQI
30AQI
31AQI
21AQI
21AQI
21AQI
46AQI
50AQI
No. of days
202529AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
June21AQI
202432AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December25AQI
202334AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August24AQI
202232AQI
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
August16AQI
202123AQI
Highest AQI recorded in
May36AQI
Lowest AQI recorded in
January11AQI
202013AQI
Highest AQI recorded in
August19AQI
Lowest AQI recorded in
December11AQI
Most & Least Polluted Years Over the Last 6 Years
Nisshin's annual 2025 AQI (29) shows an average percentage change of 20.6% (worsened AQI) compared to previous years: 2020 (13), 2021 (23), 2022 (32), 2023 (34), 2024 (32).