2 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!
September Air Quality Analysis
2 chome, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (25th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 34 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Sep - 26th Sep 2025
2 chome, Nagoya, Aichi, Japan
5 AM25th Sep 2025
6 PM
4 AM26th Sep 2025
50AQI
33AQI
43AQI
24AQI
In the last 24 hours,
2 chome's AQI reached its highest point of 50 at 11 AM during the Day, while the lowest point, 24, was recorded at 8 PM during the Night between 25th Sep and 26th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
2 chome, Nagoya, Aichi, Japan
29°C26/34°C
29°C26/34°C
30°C26/34°C
32°C27/37°C
31°C27/37°C
31°C28/35°C
31°C27/36°C
30°C26/35°C
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
--°C/°C
41AQI
35AQI
40AQI
37AQI
2025 Days Vs Air Quality
2 chome, Nagoya, Aichi, Japan
82%
98
18%
22
Total number of days with different AQI categories in last 269 days in 2025 (96 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 269 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
2 chome, Nagoya, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
25AQI
18AQI
24AQI
32AQI
23AQI
29AQI
28AQI
33AQI
45AQI
48AQI
38AQI
29AQI
28AQI
30AQI
35AQI
26AQI
25AQI
34AQI
30AQI
35AQI
40AQI
43AQI
33AQI
24AQI
22AQI
21AQI
22AQI
20AQI
26AQI
24AQI
30AQI
41AQI
50AQI
70AQI
64AQI
65AQI
73AQI
65AQI
66AQI
70AQI
83AQI
66AQI
57AQI
55AQI
54AQI
46AQI
50AQI
49AQI
44AQI
41AQI
39AQI
37AQI
37AQI
34AQI
36AQI
34AQI
29AQI
26AQI
27AQI
29AQI
34AQI
36AQI
36AQI
42AQI
43AQI
48AQI
61AQI
52AQI
53AQI
48AQI
43AQI
49AQI
43AQI
40AQI
35AQI
35AQI
41AQI
39AQI
41AQI
41AQI
43AQI
49AQI
48AQI
49AQI
50AQI
49AQI
57AQI
57AQI
57AQI
51AQI
48AQI
53AQI
55AQI
52AQI
45AQI
37AQI
39AQI
27AQI
31AQI
27AQI
31AQI
38AQI
40AQI
37AQI
29AQI
31AQI
29AQI
36AQI
35AQI
42AQI
50AQI
44AQI
37AQI
39AQI
32AQI
33AQI
36AQI
37AQI
34AQI
24AQI
31AQI
48AQI
47AQI
36AQI
No. of days
202541AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
2 chome's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .