Chaa, 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
Chaa, Natori Shi, Miyagi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Chaa, Natori Shi, Miyagi, Japan
4 AM5th Aug 2026
6 PM
3 AM6th Aug 2026
29AQI
25AQI
27AQI
21AQI
In the last 24 hours,
Chaa's AQI reached its highest point of 29 at 11 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chaa, Natori Shi, Miyagi, Japan
22°C19/24°C
22°C19/26°C
24°C20/27°C
23°C22/28°C
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
30AQI
27AQI
31AQI
29AQI
2026 Days Vs Air Quality
Chaa, Natori Shi, Miyagi, Japan
86%
187
14%
31
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 218 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
Chaa, Natori Shi, Miyagi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
21AQI (US)
17AQI (US)
15AQI (US)
28AQI (US)
33AQI (US)
42AQI (US)
22AQI (US)
36AQI (US)
25AQI (US)
20AQI (US)
21AQI (US)
34AQI (US)
34AQI (US)
40AQI (US)
27AQI (US)
31AQI (US)
30AQI (US)
23AQI (US)
37AQI (US)
40AQI (US)
33AQI (US)
36AQI (US)
31AQI (US)
33AQI (US)
40AQI (US)
35AQI (US)
22AQI (US)
23AQI (US)
37AQI (US)
47AQI (US)
59AQI (US)
32AQI (US)
32AQI (US)
65AQI (US)
50AQI (US)
46AQI (US)
24AQI (US)
34AQI (US)
26AQI (US)
35AQI (US)
44AQI (US)
42AQI (US)
45AQI (US)
40AQI (US)
44AQI (US)
40AQI (US)
38AQI (US)
33AQI (US)
37AQI (US)
66AQI (US)
48AQI (US)
64AQI (US)
61AQI (US)
54AQI (US)
43AQI (US)
41AQI (US)
44AQI (US)
56AQI (US)
54AQI (US)
62AQI (US)
39AQI (US)
47AQI (US)
58AQI (US)
55AQI (US)
52AQI (US)
55AQI (US)
37AQI (US)
40AQI (US)
45AQI (US)
45AQI (US)
51AQI (US)
60AQI (US)
62AQI (US)
34AQI (US)
26AQI (US)
48AQI (US)
54AQI (US)
54AQI (US)
46AQI (US)
36AQI (US)
30AQI (US)
48AQI (US)
52AQI (US)
39AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
34AQI (US)
51AQI (US)
28AQI (US)
22AQI (US)
34AQI (US)
37AQI (US)
41AQI (US)
28AQI (US)
35AQI (US)
36AQI (US)
38AQI (US)
33AQI (US)
39AQI (US)
27AQI (US)
27AQI (US)
32AQI (US)
46AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
32AQI (US)
38AQI (US)
50AQI (US)
52AQI (US)
40AQI (US)
30AQI (US)
24AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
30AQI (US)
35AQI (US)
85AQI (US)
68AQI (US)
54AQI (US)
48AQI (US)
61AQI (US)
60AQI (US)
61AQI (US)
54AQI (US)
58AQI (US)
49AQI (US)
40AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
15AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
17AQI (US)
20AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
21AQI (US)
27AQI (US)
33AQI (US)
48AQI (US)
40AQI (US)
16AQI (US)
23AQI (US)
43AQI (US)
65AQI (US)
69AQI (US)
38AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
38AQI (US)
50AQI (US)
36AQI (US)
41AQI (US)
24AQI (US)
29AQI (US)
23AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
February29AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
December23AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chaa's annual 2026 AQI (US) (35) shows an average percentage change of -1.07% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (33), 2022 (35), 2023 (38), 2024 (36), 2025 (38).