Shogen, Tomiya, Miyagi, 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
Shogen, Tomiya, Miyagi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Shogen, Tomiya, Miyagi, Japan
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
AQI
AQI
58AQI
38AQI
In the last 24 hours,
Shogen's AQI reached its highest point of 58 at 4 PM during the Night, while the lowest point, 38, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shogen, Tomiya, Miyagi, Japan
26°C22/31°C
27°C23/31°C
26°C23/30°C
25°C22/30°C
21°C19/23°C
19°C18/20°C
18°C17/21°C
22°C18/25°C
23°C21/25°C
24°C22/26°C
25°C23/29°C
25°C23/29°C
25°C22/29°C
25°C21/28°C
26°C23/31°C
27°C23/33°C
28°C24/34°C
28°C24/33°C
28°C24/33°C
27°C24/33°C
27°C23/33°C
28°C24/33°C
28°C24/33°C
27°C23/32°C
25°C22/29°C
25°C21/28°C
24°C21/27°C
27°C24/31°C
27°C24/32°C
--°C/°C
--°C/°C
52AQI
48AQI
51AQI
49AQI
2025 Days Vs Air Quality
Shogen, Tomiya, Miyagi, Japan
87%
187
13%
28
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 216 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
Shogen, Tomiya, Miyagi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
27AQI
24AQI
23AQI
26AQI
30AQI
23AQI
23AQI
21AQI
19AQI
22AQI
25AQI
25AQI
32AQI
26AQI
26AQI
24AQI
25AQI
32AQI
37AQI
46AQI
38AQI
42AQI
39AQI
34AQI
28AQI
31AQI
27AQI
22AQI
23AQI
24AQI
24AQI
28AQI
25AQI
26AQI
20AQI
22AQI
27AQI
20AQI
21AQI
23AQI
23AQI
27AQI
23AQI
25AQI
23AQI
26AQI
36AQI
24AQI
26AQI
21AQI
21AQI
20AQI
21AQI
20AQI
25AQI
37AQI
29AQI
49AQI
44AQI
57AQI
31AQI
34AQI
21AQI
22AQI
23AQI
30AQI
24AQI
33AQI
35AQI
42AQI
47AQI
36AQI
39AQI
26AQI
22AQI
27AQI
23AQI
27AQI
46AQI
52AQI
36AQI
36AQI
54AQI
54AQI
61AQI
47AQI
36AQI
35AQI
35AQI
30AQI
24AQI
21AQI
19AQI
23AQI
30AQI
25AQI
36AQI
27AQI
41AQI
44AQI
36AQI
25AQI
23AQI
22AQI
21AQI
42AQI
47AQI
61AQI
52AQI
44AQI
45AQI
41AQI
39AQI
33AQI
50AQI
49AQI
49AQI
28AQI
24AQI
24AQI
23AQI
30AQI
30AQI
31AQI
29AQI
27AQI
33AQI
33AQI
26AQI
23AQI
23AQI
37AQI
44AQI
41AQI
45AQI
37AQI
41AQI
39AQI
50AQI
55AQI
46AQI
44AQI
36AQI
24AQI
24AQI
27AQI
28AQI
31AQI
29AQI
20AQI
19AQI
33AQI
37AQI
31AQI
34AQI
43AQI
55AQI
57AQI
58AQI
47AQI
43AQI
37AQI
32AQI
35AQI
27AQI
24AQI
29AQI
35AQI
41AQI
34AQI
35AQI
32AQI
40AQI
38AQI
35AQI
30AQI
31AQI
32AQI
35AQI
42AQI
46AQI
48AQI
52AQI
54AQI
52AQI
56AQI
56AQI
58AQI
67AQI
58AQI
51AQI
47AQI
49AQI
44AQI
47AQI
51AQI
47AQI
50AQI
45AQI
49AQI
51AQI
49AQI
53AQI
55AQI
54AQI
54AQI
57AQI
46AQI
51AQI
43AQI
41AQI
36AQI
37AQI
41AQI
28AQI
25AQI
37AQI
35AQI
33AQI
37AQI
51AQI
38AQI
No. of days
202535AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
February25AQI
202428AQI
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
January19AQI
202331AQI
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
February20AQI
202226AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
January13AQI
202128AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
December16AQI
202031AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Shogen's annual 2025 AQI (35) shows an average percentage change of 23.6% (worsened AQI) compared to previous years: 2020 (31), 2021 (28), 2022 (26), 2023 (31), 2024 (28).