Nodago, Togitsu, Nagasaki, 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
Nodago, Togitsu, Nagasaki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Aug - 20th Aug 2025
Nodago, Togitsu, Nagasaki, Japan
5 AM19th Aug 2025
7 PM
4 AM20th Aug 2025
66AQI
47AQI
52AQI
42AQI
In the last 24 hours,
Nodago's AQI reached its highest point of 66 at 11 AM during the Day, while the lowest point, 42, was recorded at 1 AM during the Night between 19th Aug and 20th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nodago, Togitsu, Nagasaki, Japan
27°C25/30°C
28°C25/31°C
28°C26/31°C
28°C26/32°C
28°C26/33°C
28°C26/32°C
29°C26/32°C
28°C25/32°C
28°C25/32°C
28°C25/31°C
28°C25/33°C
29°C26/32°C
28°C26/31°C
28°C26/30°C
28°C27/30°C
28°C27/30°C
28°C27/30°C
28°C27/29°C
26°C25/27°C
27°C26/27°C
27°C27/27°C
27°C25/27°C
27°C27/29°C
28°C27/30°C
28°C26/30°C
28°C26/31°C
28°C26/31°C
28°C27/30°C
28°C26/30°C
28°C26/30°C
--°C/°C
43AQI
37AQI
44AQI
44AQI
2025 Days Vs Air Quality
Nodago, Togitsu, Nagasaki, Japan
79%
183
21%
48
Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 232 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
Nodago, Togitsu, Nagasaki, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
39AQI
34AQI
33AQI
33AQI
51AQI
29AQI
41AQI
28AQI
34AQI
27AQI
34AQI
38AQI
45AQI
42AQI
37AQI
47AQI
48AQI
48AQI
52AQI
74AQI
73AQI
68AQI
71AQI
45AQI
44AQI
39AQI
36AQI
32AQI
36AQI
44AQI
39AQI
36AQI
44AQI
31AQI
37AQI
29AQI
36AQI
30AQI
30AQI
30AQI
39AQI
37AQI
33AQI
38AQI
30AQI
37AQI
37AQI
34AQI
33AQI
32AQI
33AQI
41AQI
35AQI
38AQI
36AQI
43AQI
61AQI
59AQI
61AQI
57AQI
45AQI
33AQI
33AQI
31AQI
35AQI
40AQI
45AQI
50AQI
47AQI
50AQI
54AQI
37AQI
31AQI
32AQI
48AQI
48AQI
49AQI
54AQI
58AQI
65AQI
59AQI
44AQI
55AQI
56AQI
42AQI
58AQI
54AQI
45AQI
45AQI
45AQI
36AQI
37AQI
37AQI
41AQI
43AQI
43AQI
40AQI
53AQI
44AQI
59AQI
50AQI
49AQI
56AQI
36AQI
51AQI
44AQI
54AQI
50AQI
37AQI
41AQI
31AQI
28AQI
33AQI
47AQI
44AQI
49AQI
41AQI
52AQI
50AQI
42AQI
39AQI
41AQI
39AQI
42AQI
40AQI
39AQI
47AQI
32AQI
39AQI
49AQI
53AQI
58AQI
58AQI
56AQI
61AQI
38AQI
49AQI
51AQI
37AQI
28AQI
36AQI
43AQI
28AQI
36AQI
39AQI
45AQI
50AQI
52AQI
45AQI
42AQI
51AQI
48AQI
39AQI
48AQI
47AQI
45AQI
53AQI
61AQI
32AQI
32AQI
39AQI
37AQI
39AQI
28AQI
29AQI
30AQI
28AQI
32AQI
33AQI
28AQI
25AQI
21AQI
19AQI
24AQI
24AQI
29AQI
28AQI
28AQI
25AQI
43AQI
61AQI
74AQI
63AQI
73AQI
53AQI
46AQI
44AQI
54AQI
60AQI
51AQI
45AQI
42AQI
39AQI
36AQI
45AQI
51AQI
46AQI
33AQI
35AQI
32AQI
37AQI
45AQI
49AQI
46AQI
31AQI
30AQI
26AQI
29AQI
27AQI
32AQI
35AQI
51AQI
53AQI
53AQI
47AQI
46AQI
49AQI
53AQI
43AQI
39AQI
46AQI
39AQI
41AQI
44AQI
43AQI
40AQI
43AQI
41AQI
50AQI
49AQI
43AQI
37AQI
47AQI
44AQI
44AQI
35AQI
44AQI
46AQI
No. of days
202542AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
June35AQI
202439AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
July23AQI
202341AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August34AQI
202240AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
August29AQI
202138AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August33AQI
202037AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Nodago's annual 2025 AQI (42) shows an average percentage change of 8.8% (worsened AQI) compared to previous years: 2020 (37), 2021 (38), 2022 (40), 2023 (41), 2024 (39).