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!
October Air Quality Analysis
Shiodacho, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Shiodacho, Nagoya, Aichi, Japan
5 AM3rd Oct 2025
5 PM
4 AM4th Oct 2025
AQI
AQI
77AQI
52AQI
In the last 24 hours,
Shiodacho's AQI reached its highest point of 77 at 11 PM during the Night, while the lowest point, 52, was recorded at 6 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shiodacho, Nagoya, Aichi, Japan
26°C24/27°C
25°C23/28°C
27°C23/32°C
28°C25/33°C
30°C26/35°C
30°C27/34°C
28°C25/32°C
26°C23/30°C
25°C24/28°C
26°C24/29°C
27°C25/30°C
29°C25/34°C
29°C25/33°C
29°C26/34°C
28°C25/32°C
25°C23/29°C
23°C23/24°C
25°C22/30°C
23°C19/27°C
23°C21/26°C
24°C21/27°C
25°C23/28°C
27°C23/32°C
25°C21/30°C
25°C22/28°C
24°C22/28°C
23°C20/27°C
23°C20/26°C
23°C18/27°C
--°C/°C
--°C/°C
42AQI
37AQI
35AQI
35AQI
2025 Days Vs Air Quality
Shiodacho, Nagoya, Aichi, Japan
89%
245
11%
31
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
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
48AQI
65AQI
56AQI
58AQI
48AQI
40AQI
49AQI
42AQI
38AQI
38AQI
39AQI
46AQI
45AQI
45AQI
41AQI
46AQI
48AQI
48AQI
51AQI
48AQI
52AQI
58AQI
58AQI
60AQI
58AQI
52AQI
57AQI
57AQI
57AQI
45AQI
45AQI
40AQI
26AQI
25AQI
28AQI
35AQI
40AQI
41AQI
39AQI
32AQI
31AQI
28AQI
38AQI
34AQI
47AQI
52AQI
41AQI
36AQI
41AQI
28AQI
33AQI
37AQI
35AQI
41AQI
33AQI
33AQI
37AQI
24AQI
21AQI
38AQI
40AQI
48AQI
29AQI
30AQI
33AQI
23AQI
20AQI
22AQI
51AQI
50AQI
36AQI
42AQI
No. of days
202533AQI
Highest AQI recorded in
July51AQI
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 (33) shows an average percentage change of 22.7% (worsened AQI) compared to previous years: 2020 (16), 2021 (23), 2022 (31), 2023 (43), 2024 (36).