Matsue, Hayashima, Okayama, 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
Matsue, Hayashima, Okayama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Matsue, Hayashima, Okayama, Japan
5 AM14th Aug 2026
7 PM
4 AM15th Aug 2026
79AQI
54AQI
69AQI
52AQI
In the last 24 hours,
Matsue's AQI reached its highest point of 79 at 3 PM during the Day, while the lowest point, 52, was recorded at 7 PM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Matsue, Hayashima, Okayama, Japan
28°C25/31°C
29°C26/32°C
29°C26/33°C
29°C26/32°C
29°C26/32°C
29°C26/32°C
29°C26/33°C
30°C27/33°C
29°C26/33°C
29°C26/32°C
29°C26/33°C
29°C27/33°C
28°C26/31°C
29°C26/33°C
28°C25/32°C
29°C26/32°C
30°C27/34°C
31°C27/34°C
29°C27/32°C
29°C26/33°C
30°C27/34°C
30°C27/33°C
29°C26/33°C
29°C27/32°C
28°C25/31°C
26°C21/31°C
26°C23/29°C
27°C24/31°C
26°C23/30°C
27°C23/31°C
49AQI
40AQI
47AQI
41AQI
2026 Days Vs Air Quality
Matsue, Hayashima, Okayama, Japan
67%
152
33%
74
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2026, 67% of 227 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Matsue, Hayashima, Okayama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
28AQI (US)
31AQI (US)
50AQI (US)
60AQI (US)
29AQI (US)
50AQI (US)
35AQI (US)
31AQI (US)
49AQI (US)
40AQI (US)
41AQI (US)
38AQI (US)
38AQI (US)
51AQI (US)
84AQI (US)
110AQI (US)
61AQI (US)
69AQI (US)
30AQI (US)
24AQI (US)
37AQI (US)
45AQI (US)
60AQI (US)
31AQI (US)
30AQI (US)
44AQI (US)
31AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
50AQI (US)
52AQI (US)
29AQI (US)
56AQI (US)
66AQI (US)
58AQI (US)
18AQI (US)
21AQI (US)
37AQI (US)
50AQI (US)
56AQI (US)
63AQI (US)
66AQI (US)
81AQI (US)
91AQI (US)
69AQI (US)
35AQI (US)
47AQI (US)
35AQI (US)
46AQI (US)
69AQI (US)
62AQI (US)
71AQI (US)
55AQI (US)
15AQI (US)
13AQI (US)
52AQI (US)
23AQI (US)
34AQI (US)
57AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
57AQI (US)
41AQI (US)
22AQI (US)
37AQI (US)
58AQI (US)
56AQI (US)
58AQI (US)
37AQI (US)
43AQI (US)
58AQI (US)
28AQI (US)
34AQI (US)
53AQI (US)
65AQI (US)
78AQI (US)
59AQI (US)
65AQI (US)
65AQI (US)
55AQI (US)
52AQI (US)
27AQI (US)
46AQI (US)
87AQI (US)
90AQI (US)
93AQI (US)
30AQI (US)
14AQI (US)
55AQI (US)
55AQI (US)
30AQI (US)
39AQI (US)
70AQI (US)
37AQI (US)
45AQI (US)
34AQI (US)
48AQI (US)
55AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
33AQI (US)
34AQI (US)
35AQI (US)
31AQI (US)
33AQI (US)
30AQI (US)
45AQI (US)
41AQI (US)
32AQI (US)
26AQI (US)
46AQI (US)
50AQI (US)
52AQI (US)
63AQI (US)
50AQI (US)
25AQI (US)
49AQI (US)
62AQI (US)
53AQI (US)
33AQI (US)
25AQI (US)
28AQI (US)
38AQI (US)
55AQI (US)
39AQI (US)
31AQI (US)
33AQI (US)
41AQI (US)
42AQI (US)
40AQI (US)
35AQI (US)
79AQI (US)
64AQI (US)
53AQI (US)
46AQI (US)
61AQI (US)
66AQI (US)
70AQI (US)
61AQI (US)
63AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
36AQI (US)
50AQI (US)
40AQI (US)
54AQI (US)
44AQI (US)
21AQI (US)
15AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
37AQI (US)
39AQI (US)
57AQI (US)
62AQI (US)
54AQI (US)
47AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
38AQI (US)
37AQI (US)
53AQI (US)
36AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
46AQI (US)
63AQI (US)
60AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
33AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
43AQI (US)
36AQI (US)
27AQI (US)
29AQI (US)
60AQI (US)
58AQI (US)
50AQI (US)
58AQI (US)
76AQI (US)
85AQI (US)
58AQI (US)
49AQI (US)
46AQI (US)
43AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
51AQI (US)
44AQI (US)
51AQI (US)
51AQI (US)
45AQI (US)
33AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
60AQI (US)
51AQI (US)
44AQI (US)
50AQI (US)
52AQI (US)
41AQI (US)
47AQI (US)
34AQI (US)
42AQI (US)
34AQI (US)
No. of days
202644AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202551AQI (US)
Highest AQI (US) recorded in
March61AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202445AQI (US)
Highest AQI (US) recorded in
April59AQI (US)
Lowest AQI (US) recorded in
October34AQI (US)
202349AQI (US)
Highest AQI (US) recorded in
March65AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202248AQI (US)
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202146AQI (US)
Highest AQI (US) recorded in
May57AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202049AQI (US)
Highest AQI (US) recorded in
March60AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Matsue's annual 2026 AQI (US) (44) shows an average percentage change of -8.1% (improved AQI (US)) compared to previous years: 2020 (49), 2021 (46), 2022 (48), 2023 (49), 2024 (45), 2025 (51).