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
Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (11th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Nagoya, Aichi, Japan
4 AM10th Aug 2026
6 PM
3 AM11th Aug 2026
33AQI
23AQI
30AQI
22AQI
In the last 24 hours,
Nagoya's AQI reached its highest point of 33 at 4 PM during the Day, while the lowest point, 22, was recorded at 8 PM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Nagoya, Aichi, Japan
28°C26/32°C
30°C25/36°C
31°C26/36°C
32°C28/36°C
30°C27/33°C
29°C27/31°C
29°C27/33°C
31°C27/36°C
32°C28/38°C
33°C29/38°C
33°C28/39°C
33°C28/38°C
33°C28/38°C
31°C28/36°C
31°C27/37°C
28°C25/32°C
29°C25/34°C
31°C27/37°C
31°C27/37°C
31°C27/37°C
32°C27/38°C
29°C27/32°C
28°C25/31°C
29°C25/34°C
30°C27/36°C
30°C27/34°C
30°C27/34°C
29°C26/34°C
29°C27/33°C
28°C24/32°C
39AQI
39AQI
39AQI
34AQI
2026 Days Vs Air Quality
Nagoya, Aichi, Japan
81%
181
19%
42
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 223 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
Nagoya, Aichi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
12AQI (US)
12AQI (US)
24AQI (US)
46AQI (US)
17AQI (US)
32AQI (US)
34AQI (US)
17AQI (US)
42AQI (US)
33AQI (US)
15AQI (US)
42AQI (US)
23AQI (US)
43AQI (US)
60AQI (US)
63AQI (US)
57AQI (US)
68AQI (US)
27AQI (US)
11AQI (US)
19AQI (US)
36AQI (US)
44AQI (US)
42AQI (US)
23AQI (US)
38AQI (US)
31AQI (US)
27AQI (US)
37AQI (US)
35AQI (US)
35AQI (US)
46AQI (US)
31AQI (US)
40AQI (US)
59AQI (US)
58AQI (US)
15AQI (US)
17AQI (US)
34AQI (US)
44AQI (US)
38AQI (US)
55AQI (US)
55AQI (US)
66AQI (US)
67AQI (US)
53AQI (US)
21AQI (US)
24AQI (US)
30AQI (US)
38AQI (US)
56AQI (US)
47AQI (US)
53AQI (US)
54AQI (US)
43AQI (US)
22AQI (US)
47AQI (US)
24AQI (US)
25AQI (US)
57AQI (US)
40AQI (US)
10AQI (US)
40AQI (US)
51AQI (US)
41AQI (US)
37AQI (US)
39AQI (US)
56AQI (US)
50AQI (US)
53AQI (US)
36AQI (US)
44AQI (US)
56AQI (US)
47AQI (US)
46AQI (US)
61AQI (US)
31AQI (US)
45AQI (US)
45AQI (US)
58AQI (US)
52AQI (US)
47AQI (US)
51AQI (US)
15AQI (US)
29AQI (US)
61AQI (US)
60AQI (US)
52AQI (US)
20AQI (US)
20AQI (US)
40AQI (US)
51AQI (US)
41AQI (US)
25AQI (US)
45AQI (US)
42AQI (US)
32AQI (US)
33AQI (US)
46AQI (US)
40AQI (US)
34AQI (US)
45AQI (US)
57AQI (US)
33AQI (US)
25AQI (US)
40AQI (US)
29AQI (US)
31AQI (US)
33AQI (US)
39AQI (US)
47AQI (US)
41AQI (US)
22AQI (US)
43AQI (US)
50AQI (US)
49AQI (US)
47AQI (US)
42AQI (US)
34AQI (US)
43AQI (US)
40AQI (US)
54AQI (US)
26AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
31AQI (US)
39AQI (US)
32AQI (US)
46AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
60AQI (US)
62AQI (US)
55AQI (US)
59AQI (US)
49AQI (US)
38AQI (US)
22AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
36AQI (US)
47AQI (US)
40AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
31AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
30AQI (US)
52AQI (US)
65AQI (US)
47AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
26AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
42AQI (US)
50AQI (US)
51AQI (US)
46AQI (US)
23AQI (US)
34AQI (US)
61AQI (US)
72AQI (US)
45AQI (US)
37AQI (US)
42AQI (US)
39AQI (US)
31AQI (US)
34AQI (US)
27AQI (US)
50AQI (US)
40AQI (US)
39AQI (US)
50AQI (US)
45AQI (US)
33AQI (US)
37AQI (US)
29AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
33AQI (US)
42AQI (US)
44AQI (US)
39AQI (US)
40AQI (US)
28AQI (US)
35AQI (US)
33AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
June36AQI (US)
Lowest AQI (US) recorded in
January15AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
August22AQI (US)
Lowest AQI (US) recorded in
December13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nagoya's annual 2026 AQI (US) (37) shows an average percentage change of 34.07% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (25), 2022 (33), 2023 (34), 2024 (33), 2025 (35).