Masuda, Natori Shi, 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
Masuda, Natori Shi, Miyagi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 9th Aug - 10th Aug 2026
Masuda, Natori Shi, Miyagi, Japan
4 AM9th Aug 2026
6 PM
3 AM10th Aug 2026
25AQI
21AQI
25AQI
21AQI
In the last 24 hours,
Masuda's AQI reached its highest point of 25 at 4 AM during the Day, while the lowest point, 21, was recorded at 10 PM during the Night between 9th Aug and 10th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Masuda, Natori Shi, Miyagi, Japan
22°C21/23°C
23°C21/27°C
25°C22/28°C
26°C22/30°C
26°C23/30°C
23°C22/24°C
23°C22/25°C
24°C22/27°C
26°C23/32°C
26°C23/31°C
27°C24/31°C
25°C22/30°C
22°C21/23°C
22°C21/23°C
21°C20/21°C
21°C19/23°C
21°C20/23°C
24°C21/27°C
25°C21/30°C
24°C22/27°C
23°C22/26°C
21°C20/22°C
21°C20/22°C
21°C20/24°C
22°C19/25°C
24°C21/27°C
26°C23/29°C
25°C23/29°C
24°C23/26°C
22°C21/23°C
30AQI
28AQI
32AQI
29AQI
2026 Days Vs Air Quality
Masuda, Natori Shi, Miyagi, Japan
86%
191
14%
31
Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 222 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
Masuda, Natori Shi, Miyagi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
23AQI (US)
20AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
20AQI (US)
19AQI (US)
16AQI (US)
30AQI (US)
31AQI (US)
41AQI (US)
22AQI (US)
31AQI (US)
23AQI (US)
17AQI (US)
22AQI (US)
34AQI (US)
34AQI (US)
40AQI (US)
27AQI (US)
32AQI (US)
30AQI (US)
24AQI (US)
37AQI (US)
40AQI (US)
32AQI (US)
36AQI (US)
32AQI (US)
33AQI (US)
42AQI (US)
35AQI (US)
23AQI (US)
23AQI (US)
38AQI (US)
47AQI (US)
59AQI (US)
33AQI (US)
35AQI (US)
65AQI (US)
50AQI (US)
48AQI (US)
25AQI (US)
34AQI (US)
29AQI (US)
35AQI (US)
44AQI (US)
42AQI (US)
45AQI (US)
43AQI (US)
44AQI (US)
40AQI (US)
39AQI (US)
33AQI (US)
37AQI (US)
66AQI (US)
49AQI (US)
64AQI (US)
61AQI (US)
55AQI (US)
44AQI (US)
41AQI (US)
45AQI (US)
55AQI (US)
53AQI (US)
61AQI (US)
39AQI (US)
47AQI (US)
57AQI (US)
54AQI (US)
53AQI (US)
54AQI (US)
37AQI (US)
39AQI (US)
44AQI (US)
45AQI (US)
51AQI (US)
61AQI (US)
60AQI (US)
34AQI (US)
27AQI (US)
47AQI (US)
56AQI (US)
55AQI (US)
47AQI (US)
36AQI (US)
31AQI (US)
49AQI (US)
52AQI (US)
38AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
34AQI (US)
51AQI (US)
28AQI (US)
21AQI (US)
33AQI (US)
37AQI (US)
41AQI (US)
28AQI (US)
34AQI (US)
36AQI (US)
37AQI (US)
34AQI (US)
39AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
46AQI (US)
46AQI (US)
45AQI (US)
39AQI (US)
31AQI (US)
39AQI (US)
50AQI (US)
52AQI (US)
40AQI (US)
29AQI (US)
24AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
39AQI (US)
30AQI (US)
35AQI (US)
84AQI (US)
67AQI (US)
53AQI (US)
48AQI (US)
61AQI (US)
60AQI (US)
60AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
39AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
25AQI (US)
14AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
22AQI (US)
25AQI (US)
33AQI (US)
48AQI (US)
39AQI (US)
17AQI (US)
22AQI (US)
43AQI (US)
62AQI (US)
60AQI (US)
31AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
33AQI (US)
43AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
39AQI (US)
50AQI (US)
35AQI (US)
41AQI (US)
23AQI (US)
29AQI (US)
27AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
February27AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
December17AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202034AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Masuda's annual 2026 AQI (US) (34) shows an average percentage change of 0.3% (worsened AQI (US)) compared to previous years: 2020 (34), 2021 (33), 2022 (32), 2023 (36), 2024 (32), 2025 (37).