Nanakita, Sendai, 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
Nanakita, Sendai, Miyagi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 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
Nanakita, Sendai, Miyagi, Japan
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
56AQI
39AQI
56AQI
38AQI
In the last 24 hours,
Nanakita's AQI reached its highest point of 56 at 12 PM during the Day, 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
Nanakita, Sendai, Miyagi, Japan
25°C22/31°C
26°C23/32°C
26°C23/31°C
25°C22/30°C
21°C19/23°C
19°C18/20°C
19°C17/21°C
22°C18/26°C
22°C20/24°C
24°C22/26°C
26°C23/29°C
25°C23/30°C
25°C21/29°C
25°C21/28°C
26°C22/30°C
27°C23/33°C
27°C23/34°C
28°C24/34°C
28°C24/33°C
27°C23/33°C
27°C23/33°C
28°C24/33°C
28°C24/33°C
27°C23/32°C
25°C22/29°C
25°C22/29°C
24°C21/27°C
27°C24/31°C
27°C24/32°C
27°C24/31°C
--°C/°C
50AQI
50AQI
51AQI
48AQI
2025 Days Vs Air Quality
Nanakita, Sendai, Miyagi, Japan
84%
182
16%
34
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 217 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
Nanakita, Sendai, Miyagi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
30AQI
27AQI
27AQI
29AQI
34AQI
25AQI
26AQI
23AQI
21AQI
24AQI
26AQI
27AQI
36AQI
28AQI
29AQI
25AQI
29AQI
34AQI
39AQI
50AQI
39AQI
47AQI
44AQI
38AQI
31AQI
34AQI
30AQI
25AQI
27AQI
29AQI
29AQI
31AQI
29AQI
31AQI
24AQI
25AQI
29AQI
23AQI
24AQI
26AQI
26AQI
32AQI
26AQI
27AQI
23AQI
29AQI
38AQI
26AQI
27AQI
22AQI
23AQI
21AQI
23AQI
22AQI
28AQI
39AQI
33AQI
51AQI
46AQI
59AQI
33AQI
35AQI
22AQI
25AQI
25AQI
31AQI
26AQI
35AQI
37AQI
44AQI
50AQI
44AQI
42AQI
28AQI
21AQI
29AQI
24AQI
30AQI
49AQI
55AQI
39AQI
39AQI
56AQI
59AQI
59AQI
49AQI
36AQI
36AQI
35AQI
30AQI
24AQI
21AQI
20AQI
24AQI
31AQI
27AQI
38AQI
30AQI
45AQI
46AQI
37AQI
27AQI
23AQI
22AQI
23AQI
44AQI
48AQI
64AQI
52AQI
47AQI
45AQI
43AQI
41AQI
35AQI
53AQI
51AQI
51AQI
29AQI
25AQI
25AQI
25AQI
31AQI
30AQI
34AQI
28AQI
28AQI
35AQI
35AQI
27AQI
23AQI
24AQI
38AQI
45AQI
42AQI
47AQI
36AQI
45AQI
40AQI
52AQI
56AQI
47AQI
44AQI
38AQI
24AQI
25AQI
29AQI
28AQI
33AQI
29AQI
19AQI
19AQI
35AQI
37AQI
32AQI
36AQI
44AQI
56AQI
58AQI
59AQI
46AQI
44AQI
39AQI
36AQI
37AQI
29AQI
26AQI
30AQI
40AQI
46AQI
35AQI
37AQI
32AQI
43AQI
35AQI
33AQI
28AQI
31AQI
32AQI
38AQI
46AQI
51AQI
51AQI
55AQI
57AQI
54AQI
59AQI
59AQI
61AQI
70AQI
53AQI
47AQI
42AQI
47AQI
40AQI
45AQI
49AQI
47AQI
51AQI
45AQI
50AQI
51AQI
50AQI
54AQI
56AQI
56AQI
56AQI
58AQI
48AQI
52AQI
44AQI
42AQI
36AQI
37AQI
41AQI
43AQI
31AQI
28AQI
39AQI
37AQI
34AQI
38AQI
52AQI
39AQI
No. of days
202537AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
February28AQI
202431AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
January22AQI
202335AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December23AQI
202231AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
December18AQI
202131AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
October26AQI
202029AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
July23AQI
Most & Least Polluted Years Over the Last 6 Years
Nanakita's annual 2025 AQI (37) shows an average percentage change of 19.3% (worsened AQI) compared to previous years: 2020 (29), 2021 (31), 2022 (31), 2023 (35), 2024 (31).