Shiodacho, 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
Shiodacho, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Shiodacho, Nagoya, Aichi, Japan
4 AM4th Aug 2025
7 PM
3 AM5th Aug 2025
AQI
AQI
104AQI
41AQI
In the last 24 hours,
Shiodacho's AQI reached its highest point of 104 at 5 PM during the Night, while the lowest point, 41, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shiodacho, Nagoya, Aichi, Japan
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
29°C26/33°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
31°C27/37°C
32°C28/37°C
--°C/°C
--°C/°C
58AQI
43AQI
48AQI
42AQI
2025 Days Vs Air Quality
Shiodacho, Nagoya, Aichi, Japan
92%
198
8%
17
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% 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
Shiodacho, Nagoya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
29AQI
28AQI
26AQI
25AQI
26AQI
27AQI
26AQI
26AQI
22AQI
24AQI
24AQI
26AQI
31AQI
30AQI
25AQI
27AQI
26AQI
28AQI
29AQI
33AQI
32AQI
39AQI
38AQI
37AQI
33AQI
28AQI
30AQI
30AQI
29AQI
33AQI
36AQI
29AQI
30AQI
30AQI
29AQI
28AQI
29AQI
28AQI
28AQI
28AQI
29AQI
26AQI
32AQI
29AQI
30AQI
30AQI
33AQI
29AQI
29AQI
28AQI
29AQI
30AQI
30AQI
32AQI
29AQI
35AQI
39AQI
37AQI
39AQI
40AQI
35AQI
27AQI
23AQI
29AQI
30AQI
30AQI
35AQI
31AQI
29AQI
26AQI
36AQI
24AQI
22AQI
19AQI
16AQI
18AQI
15AQI
21AQI
31AQI
32AQI
40AQI
40AQI
52AQI
77AQI
65AQI
42AQI
34AQI
32AQI
38AQI
24AQI
25AQI
18AQI
18AQI
20AQI
15AQI
21AQI
22AQI
19AQI
26AQI
26AQI
25AQI
21AQI
24AQI
19AQI
21AQI
24AQI
30AQI
31AQI
30AQI
23AQI
22AQI
15AQI
14AQI
23AQI
24AQI
26AQI
22AQI
23AQI
26AQI
22AQI
20AQI
19AQI
19AQI
18AQI
16AQI
15AQI
16AQI
16AQI
15AQI
15AQI
20AQI
22AQI
25AQI
24AQI
22AQI
20AQI
24AQI
25AQI
32AQI
31AQI
25AQI
24AQI
22AQI
18AQI
18AQI
17AQI
16AQI
19AQI
16AQI
17AQI
14AQI
19AQI
15AQI
19AQI
19AQI
20AQI
24AQI
27AQI
21AQI
21AQI
20AQI
24AQI
24AQI
21AQI
20AQI
22AQI
24AQI
28AQI
32AQI
29AQI
24AQI
17AQI
15AQI
15AQI
17AQI
16AQI
21AQI
19AQI
23AQI
48AQI
60AQI
85AQI
70AQI
73AQI
80AQI
66AQI
71AQI
79AQI
90AQI
64AQI
54AQI
51AQI
53AQI
43AQI
50AQI
47AQI
42AQI
37AQI
36AQI
36AQI
38AQI
37AQI
38AQI
36AQI
30AQI
27AQI
27AQI
32AQI
38AQI
41AQI
45AQI
58AQI
50AQI
46AQI
29AQI
30AQI
33AQI
23AQI
20AQI
22AQI
51AQI
51AQI
No. of days
202530AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
May20AQI
202436AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
December26AQI
202343AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August32AQI
202231AQI
Highest AQI recorded in
November39AQI
Lowest AQI recorded in
July24AQI
202123AQI
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
January14AQI
202016AQI
Highest AQI recorded in
August25AQI
Lowest AQI recorded in
December12AQI
Most & Least Polluted Years Over the Last 6 Years
Shiodacho's annual 2025 AQI (30) shows an average percentage change of 12.4% (worsened AQI) compared to previous years: 2020 (16), 2021 (23), 2022 (31), 2023 (43), 2024 (36).