Shimada, Nagoya, 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
Shimada, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Shimada, Nagoya, Aichi, Japan
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
64AQI
40AQI
53AQI
39AQI
In the last 24 hours,
Shimada's AQI reached its highest point of 64 at 12 PM during the Day, while the lowest point, 39, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shimada, Nagoya, Aichi, Japan
30°C26/36°C
31°C26/36°C
31°C27/36°C
30°C27/33°C
29°C26/34°C
30°C26/35°C
28°C26/32°C
27°C25/32°C
28°C25/32°C
28°C25/32°C
28°C26/31°C
27°C24/31°C
25°C23/25°C
27°C23/31°C
27°C24/31°C
28°C24/32°C
29°C25/33°C
30°C26/35°C
30°C26/34°C
30°C26/35°C
30°C26/34°C
30°C26/34°C
30°C26/34°C
30°C26/34°C
31°C27/37°C
31°C27/36°C
31°C27/35°C
32°C27/38°C
32°C27/38°C
32°C28/37°C
--°C/°C
53AQI
38AQI
47AQI
43AQI
2025 Days Vs Air Quality
Shimada, Nagoya, Aichi, Japan
94%
203
6%
12
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 216 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
Shimada, Nagoya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
27AQI
27AQI
25AQI
21AQI
26AQI
25AQI
26AQI
22AQI
24AQI
24AQI
26AQI
29AQI
29AQI
25AQI
27AQI
25AQI
27AQI
28AQI
31AQI
31AQI
37AQI
36AQI
36AQI
32AQI
25AQI
29AQI
29AQI
29AQI
32AQI
36AQI
27AQI
29AQI
29AQI
30AQI
29AQI
28AQI
28AQI
28AQI
29AQI
30AQI
24AQI
31AQI
27AQI
29AQI
30AQI
32AQI
30AQI
30AQI
28AQI
29AQI
30AQI
31AQI
31AQI
30AQI
35AQI
38AQI
37AQI
39AQI
37AQI
32AQI
25AQI
22AQI
31AQI
30AQI
30AQI
34AQI
33AQI
28AQI
25AQI
30AQI
21AQI
20AQI
16AQI
15AQI
16AQI
14AQI
18AQI
29AQI
29AQI
36AQI
35AQI
44AQI
48AQI
40AQI
29AQI
24AQI
20AQI
22AQI
18AQI
19AQI
17AQI
16AQI
17AQI
14AQI
15AQI
17AQI
16AQI
19AQI
20AQI
20AQI
17AQI
20AQI
17AQI
18AQI
20AQI
23AQI
22AQI
21AQI
17AQI
16AQI
14AQI
14AQI
17AQI
17AQI
18AQI
21AQI
18AQI
21AQI
17AQI
18AQI
18AQI
18AQI
20AQI
16AQI
15AQI
18AQI
16AQI
14AQI
15AQI
17AQI
19AQI
19AQI
20AQI
20AQI
18AQI
20AQI
20AQI
26AQI
24AQI
22AQI
19AQI
19AQI
16AQI
17AQI
17AQI
15AQI
17AQI
15AQI
15AQI
14AQI
17AQI
15AQI
17AQI
18AQI
19AQI
21AQI
23AQI
19AQI
17AQI
18AQI
20AQI
18AQI
20AQI
18AQI
18AQI
20AQI
22AQI
24AQI
26AQI
23AQI
16AQI
15AQI
15AQI
16AQI
16AQI
19AQI
17AQI
19AQI
37AQI
46AQI
71AQI
80AQI
70AQI
76AQI
64AQI
68AQI
75AQI
83AQI
64AQI
55AQI
54AQI
53AQI
46AQI
49AQI
48AQI
43AQI
40AQI
35AQI
32AQI
32AQI
32AQI
33AQI
33AQI
26AQI
24AQI
25AQI
29AQI
36AQI
36AQI
37AQI
42AQI
44AQI
43AQI
28AQI
30AQI
28AQI
18AQI
18AQI
19AQI
48AQI
43AQI
No. of days
202527AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
April18AQI
202433AQI
Highest AQI recorded in
September46AQI
Lowest AQI recorded in
December24AQI
202335AQI
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
November27AQI
202017AQI
Highest AQI recorded in
September17AQI
Lowest AQI recorded in
September17AQI
Most & Least Polluted Years Over the Last 4 Years
Shimada's annual 2025 AQI (27) shows an average percentage change of 7.8% (worsened AQI) compared to previous years: 2020 (17), 2023 (35), 2024 (33).