Nobeoka, Miyazaki, 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
Nobeoka, Miyazaki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Nobeoka, Miyazaki, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
59AQI
36AQI
In the last 24 hours,
Nobeoka's AQI reached its highest point of 59 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nobeoka, Miyazaki, Japan
27°C24/30°C
27°C23/31°C
26°C22/31°C
26°C22/32°C
27°C23/31°C
26°C23/29°C
25°C23/28°C
25°C23/27°C
25°C23/27°C
25°C23/28°C
26°C22/31°C
25°C21/30°C
25°C20/29°C
26°C24/29°C
25°C23/26°C
25°C21/29°C
26°C23/29°C
26°C22/30°C
26°C22/30°C
26°C21/30°C
26°C24/28°C
25°C24/27°C
25°C23/27°C
25°C23/27°C
26°C23/29°C
26°C23/29°C
25°C21/29°C
26°C22/29°C
27°C23/31°C
--°C/°C
--°C/°C
49AQI
43AQI
48AQI
45AQI
2025 Days Vs Air Quality
Nobeoka, Miyazaki, Japan
78%
167
22%
46
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 214 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
Nobeoka, Miyazaki, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
32AQI
35AQI
31AQI
32AQI
43AQI
32AQI
37AQI
30AQI
30AQI
28AQI
35AQI
41AQI
41AQI
42AQI
34AQI
39AQI
34AQI
39AQI
37AQI
57AQI
54AQI
61AQI
63AQI
46AQI
42AQI
35AQI
32AQI
31AQI
35AQI
41AQI
42AQI
33AQI
43AQI
31AQI
37AQI
32AQI
32AQI
30AQI
30AQI
30AQI
36AQI
38AQI
31AQI
35AQI
31AQI
34AQI
45AQI
33AQI
39AQI
34AQI
35AQI
43AQI
35AQI
39AQI
35AQI
37AQI
55AQI
44AQI
64AQI
63AQI
46AQI
34AQI
31AQI
35AQI
33AQI
38AQI
38AQI
38AQI
31AQI
39AQI
50AQI
39AQI
35AQI
23AQI
47AQI
35AQI
38AQI
46AQI
55AQI
59AQI
66AQI
58AQI
67AQI
69AQI
55AQI
54AQI
52AQI
43AQI
41AQI
42AQI
33AQI
35AQI
36AQI
43AQI
49AQI
42AQI
40AQI
54AQI
51AQI
57AQI
56AQI
44AQI
55AQI
30AQI
45AQI
48AQI
55AQI
49AQI
36AQI
41AQI
34AQI
33AQI
39AQI
50AQI
52AQI
52AQI
44AQI
49AQI
50AQI
49AQI
43AQI
48AQI
42AQI
40AQI
29AQI
36AQI
34AQI
35AQI
38AQI
35AQI
49AQI
53AQI
57AQI
52AQI
50AQI
44AQI
47AQI
56AQI
56AQI
32AQI
40AQI
43AQI
37AQI
32AQI
31AQI
36AQI
33AQI
32AQI
37AQI
37AQI
46AQI
47AQI
28AQI
45AQI
42AQI
53AQI
54AQI
53AQI
31AQI
29AQI
31AQI
42AQI
45AQI
34AQI
31AQI
30AQI
31AQI
38AQI
37AQI
45AQI
44AQI
33AQI
33AQI
33AQI
35AQI
39AQI
39AQI
41AQI
42AQI
46AQI
51AQI
61AQI
78AQI
82AQI
83AQI
69AQI
65AQI
67AQI
69AQI
62AQI
55AQI
53AQI
49AQI
48AQI
55AQI
53AQI
48AQI
47AQI
40AQI
35AQI
31AQI
29AQI
28AQI
26AQI
30AQI
30AQI
32AQI
27AQI
25AQI
22AQI
31AQI
41AQI
39AQI
36AQI
46AQI
45AQI
41AQI
39AQI
48AQI
41AQI
No. of days
202542AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
February36AQI
202438AQI
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
July27AQI
202341AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August33AQI
202241AQI
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
August27AQI
202137AQI
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
July30AQI
202038AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
July29AQI
Most & Least Polluted Years Over the Last 6 Years
Nobeoka's annual 2025 AQI (42) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (38), 2021 (37), 2022 (41), 2023 (41), 2024 (38).