Nasushiobara, Tochigi, 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
Nasushiobara, Tochigi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Nasushiobara, Tochigi, Japan
4 AM8th Aug 2026
6 PM
3 AM9th Aug 2026
26AQI
22AQI
36AQI
24AQI
In the last 24 hours,
Nasushiobara's AQI reached its highest point of 36 at 3 AM during the Night, while the lowest point, 22, was recorded at 7 AM during the Day between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Nasushiobara, Tochigi, Japan
23°C20/27°C
20°C20/22°C
22°C20/26°C
24°C20/29°C
26°C21/31°C
25°C22/30°C
22°C20/24°C
21°C20/25°C
23°C20/27°C
26°C22/30°C
26°C23/31°C
26°C23/32°C
25°C21/29°C
22°C21/25°C
22°C19/25°C
20°C19/24°C
20°C18/23°C
20°C18/23°C
21°C19/23°C
23°C21/26°C
23°C21/24°C
24°C20/27°C
22°C18/27°C
18°C16/18°C
19°C14/25°C
21°C15/27°C
23°C19/29°C
24°C21/29°C
24°C21/28°C
22°C19/27°C
32AQI
30AQI
34AQI
32AQI
2026 Days Vs Air Quality
Nasushiobara, Tochigi, Japan
86%
189
14%
32
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 221 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
Nasushiobara, Tochigi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
16AQI (US)
17AQI (US)
16AQI (US)
15AQI (US)
18AQI (US)
22AQI (US)
20AQI (US)
14AQI (US)
26AQI (US)
27AQI (US)
14AQI (US)
21AQI (US)
12AQI (US)
27AQI (US)
34AQI (US)
34AQI (US)
16AQI (US)
32AQI (US)
24AQI (US)
14AQI (US)
22AQI (US)
42AQI (US)
44AQI (US)
42AQI (US)
20AQI (US)
21AQI (US)
26AQI (US)
21AQI (US)
36AQI (US)
40AQI (US)
39AQI (US)
16AQI (US)
20AQI (US)
42AQI (US)
44AQI (US)
34AQI (US)
14AQI (US)
12AQI (US)
36AQI (US)
46AQI (US)
50AQI (US)
24AQI (US)
39AQI (US)
68AQI (US)
58AQI (US)
35AQI (US)
16AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
45AQI (US)
42AQI (US)
38AQI (US)
32AQI (US)
35AQI (US)
12AQI (US)
42AQI (US)
42AQI (US)
44AQI (US)
90AQI (US)
49AQI (US)
68AQI (US)
66AQI (US)
55AQI (US)
48AQI (US)
52AQI (US)
42AQI (US)
56AQI (US)
59AQI (US)
68AQI (US)
44AQI (US)
50AQI (US)
60AQI (US)
64AQI (US)
58AQI (US)
60AQI (US)
37AQI (US)
30AQI (US)
56AQI (US)
44AQI (US)
57AQI (US)
60AQI (US)
42AQI (US)
14AQI (US)
17AQI (US)
56AQI (US)
58AQI (US)
60AQI (US)
38AQI (US)
10AQI (US)
22AQI (US)
48AQI (US)
46AQI (US)
22AQI (US)
16AQI (US)
28AQI (US)
18AQI (US)
30AQI (US)
46AQI (US)
39AQI (US)
33AQI (US)
34AQI (US)
42AQI (US)
46AQI (US)
32AQI (US)
36AQI (US)
37AQI (US)
40AQI (US)
38AQI (US)
41AQI (US)
44AQI (US)
34AQI (US)
30AQI (US)
44AQI (US)
48AQI (US)
48AQI (US)
40AQI (US)
38AQI (US)
39AQI (US)
47AQI (US)
54AQI (US)
42AQI (US)
28AQI (US)
22AQI (US)
34AQI (US)
36AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
40AQI (US)
44AQI (US)
36AQI (US)
36AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
60AQI (US)
62AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
40AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
34AQI (US)
23AQI (US)
16AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
22AQI (US)
19AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
12AQI (US)
31AQI (US)
27AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
40AQI (US)
58AQI (US)
44AQI (US)
40AQI (US)
20AQI (US)
23AQI (US)
33AQI (US)
49AQI (US)
55AQI (US)
52AQI (US)
38AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
21AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
35AQI (US)
52AQI (US)
36AQI (US)
42AQI (US)
24AQI (US)
31AQI (US)
24AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
October24AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
April42AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
April42AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202128AQI (US)
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
September15AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nasushiobara's annual 2026 AQI (US) (34) shows an average percentage change of 13.2% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (28), 2022 (32), 2023 (32), 2024 (31), 2025 (36).