Shimotsuke, Tochigi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Shimotsuke, Tochigi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 24 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Shimotsuke, Tochigi, Japan
4 AM3rd Jun 2026
6 PM
3 AM4th Jun 2026
21AQI
4AQI
30AQI
6AQI
In the last 24 hours,
Shimotsuke's AQI reached its highest point of 30 at 1 AM during the Night, while the lowest point, 4, was recorded at 5 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Shimotsuke, Tochigi, Japan
18°C15/22°C
22°C17/28°C
22°C17/27°C
18°C15/22°C
19°C14/24°C
20°C17/24°C
21°C17/26°C
21°C18/27°C
19°C16/26°C
19°C14/25°C
19°C13/26°C
24°C18/31°C
25°C19/31°C
25°C20/32°C
23°C18/29°C
19°C15/22°C
14°C12/14°C
16°C11/20°C
19°C15/22°C
23°C18/29°C
23°C19/28°C
24°C20/29°C
25°C22/29°C
26°C22/32°C
25°C19/31°C
26°C22/30°C
27°C22/33°C
24°C18/28°C
18°C17/19°C
18°C17/19°C
49AQI
35AQI
45AQI
35AQI
2026 Days Vs Air Quality
Shimotsuke, Tochigi, Japan
77%
119
23%
36
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2026, 77% of 155 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
Shimotsuke, Tochigi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
24AQI (US)
27AQI (US)
30AQI (US)
43AQI (US)
27AQI (US)
41AQI (US)
45AQI (US)
33AQI (US)
50AQI (US)
52AQI (US)
22AQI (US)
38AQI (US)
15AQI (US)
38AQI (US)
57AQI (US)
52AQI (US)
35AQI (US)
53AQI (US)
48AQI (US)
24AQI (US)
30AQI (US)
42AQI (US)
46AQI (US)
39AQI (US)
18AQI (US)
26AQI (US)
33AQI (US)
30AQI (US)
37AQI (US)
41AQI (US)
44AQI (US)
21AQI (US)
23AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
16AQI (US)
16AQI (US)
40AQI (US)
42AQI (US)
51AQI (US)
29AQI (US)
35AQI (US)
68AQI (US)
65AQI (US)
50AQI (US)
18AQI (US)
31AQI (US)
31AQI (US)
32AQI (US)
48AQI (US)
41AQI (US)
44AQI (US)
28AQI (US)
32AQI (US)
10AQI (US)
42AQI (US)
48AQI (US)
41AQI (US)
90AQI (US)
50AQI (US)
61AQI (US)
64AQI (US)
55AQI (US)
40AQI (US)
15AQI (US)
40AQI (US)
57AQI (US)
61AQI (US)
70AQI (US)
44AQI (US)
51AQI (US)
62AQI (US)
62AQI (US)
59AQI (US)
59AQI (US)
42AQI (US)
28AQI (US)
39AQI (US)
52AQI (US)
52AQI (US)
51AQI (US)
64AQI (US)
25AQI (US)
19AQI (US)
48AQI (US)
53AQI (US)
56AQI (US)
39AQI (US)
17AQI (US)
26AQI (US)
47AQI (US)
44AQI (US)
14AQI (US)
18AQI (US)
33AQI (US)
20AQI (US)
32AQI (US)
51AQI (US)
38AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
41AQI (US)
32AQI (US)
39AQI (US)
36AQI (US)
41AQI (US)
38AQI (US)
41AQI (US)
48AQI (US)
37AQI (US)
35AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
43AQI (US)
41AQI (US)
42AQI (US)
50AQI (US)
52AQI (US)
41AQI (US)
30AQI (US)
19AQI (US)
34AQI (US)
37AQI (US)
28AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
39AQI (US)
45AQI (US)
38AQI (US)
36AQI (US)
86AQI (US)
69AQI (US)
54AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
61AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
40AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
36AQI (US)
36AQI (US)
15AQI (US)
24AQI (US)
36AQI (US)
37AQI (US)
50AQI (US)
37AQI (US)
42AQI (US)
28AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
December56AQI (US)
Lowest AQI (US) recorded in
May35AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
April34AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
May32AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
January45AQI (US)
Lowest AQI (US) recorded in
April18AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
December14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shimotsuke's annual 2026 AQI (US) (40) shows an average percentage change of 19.7% (worsened AQI (US)) compared to previous years: 2020 (41), 2021 (30), 2022 (29), 2023 (29), 2024 (32), 2025 (46).