Shinchimachi, Arao, Kumamoto, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Shinchimachi, Arao, Kumamoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 49 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
Shinchimachi, Arao, Kumamoto, Japan
6 AM6th Mar 2026
6 PM
5 AM7th Mar 2026
81AQI
14AQI
67AQI
19AQI
In the last 24 hours,
Shinchimachi's AQI reached its highest point of 81 at 10 AM during the Day, while the lowest point, 14, was recorded at 5 PM during the Day between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Shinchimachi, Arao, Kumamoto, Japan
11°C9/14°C
6°C4/9°C
1°C0/1°C
4°C1/8°C
7°C4/10°C
9°C7/11°C
9°C6/13°C
9°C6/13°C
10°C7/14°C
13°C12/17°C
11°C9/15°C
10°C8/13°C
9°C7/12°C
9°C5/12°C
11°C8/13°C
11°C8/15°C
14°C10/20°C
13°C8/18°C
13°C9/17°C
12°C10/14°C
14°C9/19°C
13°C12/14°C
12°C9/15°C
12°C8/17°C
12°C11/13°C
11°C10/13°C
10°C8/13°C
11°C6/16°C
10°C8/12°C
8°C5/11°C
46AQI
37AQI
44AQI
41AQI
2026 Days Vs Air Quality
Shinchimachi, Arao, Kumamoto, Japan
82%
54
18%
12
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 67 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
Shinchimachi, Arao, Kumamoto, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
21AQI (US)
27AQI (US)
39AQI (US)
36AQI (US)
23AQI (US)
38AQI (US)
26AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
21AQI (US)
41AQI (US)
32AQI (US)
37AQI (US)
49AQI (US)
68AQI (US)
59AQI (US)
71AQI (US)
34AQI (US)
17AQI (US)
26AQI (US)
39AQI (US)
48AQI (US)
30AQI (US)
23AQI (US)
43AQI (US)
28AQI (US)
40AQI (US)
37AQI (US)
21AQI (US)
51AQI (US)
44AQI (US)
41AQI (US)
36AQI (US)
44AQI (US)
53AQI (US)
39AQI (US)
24AQI (US)
42AQI (US)
46AQI (US)
40AQI (US)
55AQI (US)
56AQI (US)
52AQI (US)
53AQI (US)
64AQI (US)
31AQI (US)
32AQI (US)
65AQI (US)
43AQI (US)
49AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
26AQI (US)
20AQI (US)
48AQI (US)
38AQI (US)
34AQI (US)
52AQI (US)
10AQI (US)
28AQI (US)
47AQI (US)
49AQI (US)
49AQI (US)
35AQI (US)
43AQI (US)
38AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
January35AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
October53AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202453AQI (US)
Highest AQI (US) recorded in
August92AQI (US)
Lowest AQI (US) recorded in
October37AQI (US)
202346AQI (US)
Highest AQI (US) recorded in
April57AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202247AQI (US)
Highest AQI (US) recorded in
August62AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
March57AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shinchimachi's annual 2026 AQI (US) (38) shows an average percentage change of -18.1% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (45), 2022 (47), 2023 (46), 2024 (53), 2025 (45).