Nichinan, 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
Nichinan, Miyazaki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 35 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Nichinan, Miyazaki, Japan
5 AM6th Aug 2026
7 PM
4 AM7th Aug 2026
29AQI
21AQI
33AQI
29AQI
In the last 24 hours,
Nichinan's AQI reached its highest point of 33 at 9 PM during the Night, while the lowest point, 21, was recorded at 5 AM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Nichinan, Miyazaki, Japan
26°C25/27°C
26°C25/28°C
27°C26/28°C
28°C26/29°C
28°C26/31°C
28°C25/31°C
28°C26/32°C
29°C26/33°C
28°C26/30°C
28°C26/30°C
28°C26/30°C
28°C26/31°C
28°C26/30°C
28°C26/30°C
29°C26/31°C
29°C27/31°C
29°C26/31°C
29°C27/31°C
29°C26/31°C
29°C25/32°C
28°C26/31°C
29°C26/33°C
29°C25/32°C
29°C25/32°C
29°C26/32°C
29°C27/31°C
28°C27/29°C
28°C27/29°C
28°C27/28°C
27°C27/28°C
46AQI
33AQI
41AQI
39AQI
2026 Days Vs Air Quality
Nichinan, Miyazaki, Japan
84%
184
16%
35
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 219 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
Nichinan, Miyazaki, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI (US)
30AQI (US)
36AQI (US)
43AQI (US)
45AQI (US)
39AQI (US)
41AQI (US)
48AQI (US)
29AQI (US)
39AQI (US)
36AQI (US)
32AQI (US)
43AQI (US)
38AQI (US)
53AQI (US)
52AQI (US)
55AQI (US)
65AQI (US)
60AQI (US)
51AQI (US)
27AQI (US)
27AQI (US)
34AQI (US)
42AQI (US)
44AQI (US)
30AQI (US)
34AQI (US)
40AQI (US)
38AQI (US)
44AQI (US)
21AQI (US)
35AQI (US)
44AQI (US)
40AQI (US)
31AQI (US)
43AQI (US)
49AQI (US)
46AQI (US)
16AQI (US)
25AQI (US)
54AQI (US)
25AQI (US)
43AQI (US)
42AQI (US)
45AQI (US)
48AQI (US)
56AQI (US)
49AQI (US)
23AQI (US)
60AQI (US)
32AQI (US)
41AQI (US)
49AQI (US)
59AQI (US)
43AQI (US)
20AQI (US)
15AQI (US)
44AQI (US)
35AQI (US)
34AQI (US)
50AQI (US)
38AQI (US)
42AQI (US)
45AQI (US)
45AQI (US)
45AQI (US)
37AQI (US)
40AQI (US)
49AQI (US)
42AQI (US)
53AQI (US)
34AQI (US)
39AQI (US)
56AQI (US)
40AQI (US)
56AQI (US)
71AQI (US)
18AQI (US)
45AQI (US)
41AQI (US)
35AQI (US)
30AQI (US)
47AQI (US)
56AQI (US)
37AQI (US)
46AQI (US)
68AQI (US)
71AQI (US)
42AQI (US)
22AQI (US)
20AQI (US)
32AQI (US)
41AQI (US)
44AQI (US)
48AQI (US)
49AQI (US)
34AQI (US)
26AQI (US)
29AQI (US)
43AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
35AQI (US)
35AQI (US)
40AQI (US)
30AQI (US)
30AQI (US)
41AQI (US)
46AQI (US)
53AQI (US)
48AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
47AQI (US)
53AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
38AQI (US)
30AQI (US)
32AQI (US)
78AQI (US)
63AQI (US)
52AQI (US)
46AQI (US)
60AQI (US)
63AQI (US)
70AQI (US)
60AQI (US)
64AQI (US)
54AQI (US)
40AQI (US)
23AQI (US)
25AQI (US)
31AQI (US)
44AQI (US)
44AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
17AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
34AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
31AQI (US)
39AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
29AQI (US)
40AQI (US)
42AQI (US)
38AQI (US)
44AQI (US)
66AQI (US)
58AQI (US)
42AQI (US)
57AQI (US)
72AQI (US)
68AQI (US)
65AQI (US)
34AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
50AQI (US)
54AQI (US)
31AQI (US)
24AQI (US)
26AQI (US)
35AQI (US)
40AQI (US)
40AQI (US)
44AQI (US)
36AQI (US)
42AQI (US)
24AQI (US)
37AQI (US)
35AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
October57AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202343AQI (US)
Highest AQI (US) recorded in
April56AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
May48AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nichinan's annual 2026 AQI (US) (38) shows an average percentage change of -9.3% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (42), 2022 (42), 2023 (43), 2024 (38), 2025 (44).