4 chome, 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
4 chome, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
4 chome, Nagoya, Aichi, Japan
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
61AQI
39AQI
48AQI
40AQI
In the last 24 hours,
4 chome's AQI reached its highest point of 61 at 12 PM during the Day, while the lowest point, 39, was recorded at 9 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
4 chome, 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
49AQI
43AQI
46AQI
43AQI
2025 Days Vs Air Quality
4 chome, Nagoya, Aichi, Japan
80%
53
20%
13
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 216 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
4 chome, Nagoya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
22AQI
17AQI
21AQI
32AQI
22AQI
27AQI
24AQI
32AQI
42AQI
44AQI
32AQI
25AQI
23AQI
26AQI
31AQI
23AQI
23AQI
29AQI
27AQI
32AQI
39AQI
43AQI
35AQI
28AQI
23AQI
20AQI
21AQI
19AQI
26AQI
23AQI
30AQI
43AQI
51AQI
70AQI
65AQI
65AQI
72AQI
64AQI
66AQI
70AQI
83AQI
66AQI
56AQI
54AQI
53AQI
45AQI
49AQI
48AQI
42AQI
39AQI
38AQI
36AQI
36AQI
34AQI
35AQI
33AQI
28AQI
26AQI
26AQI
29AQI
34AQI
35AQI
38AQI
42AQI
41AQI
23AQI
29AQI
48AQI
42AQI
No. of days
202538AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
4 chome's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .