Kitasayacho, Matsuyama, Ehime, 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
Kitasayacho, Matsuyama, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Kitasayacho, Matsuyama, Ehime, Japan
5 AM6th Aug 2026
7 PM
4 AM7th Aug 2026
33AQI
25AQI
25AQI
21AQI
In the last 24 hours,
Kitasayacho's AQI reached its highest point of 33 at 8 AM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kitasayacho, Matsuyama, Ehime, Japan
24°C21/26°C
24°C20/27°C
25°C21/28°C
26°C22/30°C
26°C23/30°C
27°C24/30°C
27°C23/30°C
27°C25/31°C
27°C23/30°C
27°C24/30°C
27°C23/30°C
27°C24/30°C
27°C24/30°C
27°C24/31°C
28°C24/31°C
28°C24/31°C
27°C24/31°C
27°C24/32°C
28°C25/32°C
28°C24/32°C
25°C22/28°C
28°C25/32°C
27°C23/32°C
28°C23/32°C
29°C24/34°C
28°C25/33°C
27°C24/30°C
27°C24/31°C
27°C23/33°C
27°C24/32°C
39AQI
36AQI
38AQI
37AQI
2026 Days Vs Air Quality
Kitasayacho, Matsuyama, Ehime, Japan
87%
190
13%
28
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 219 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
Kitasayacho, Matsuyama, Ehime, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
25AQI (US)
29AQI (US)
39AQI (US)
48AQI (US)
30AQI (US)
25AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
43AQI (US)
56AQI (US)
39AQI (US)
43AQI (US)
47AQI (US)
28AQI (US)
18AQI (US)
24AQI (US)
36AQI (US)
40AQI (US)
39AQI (US)
21AQI (US)
42AQI (US)
20AQI (US)
29AQI (US)
20AQI (US)
14AQI (US)
38AQI (US)
46AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
42AQI (US)
25AQI (US)
22AQI (US)
37AQI (US)
42AQI (US)
39AQI (US)
32AQI (US)
28AQI (US)
42AQI (US)
51AQI (US)
44AQI (US)
22AQI (US)
18AQI (US)
38AQI (US)
28AQI (US)
60AQI (US)
32AQI (US)
50AQI (US)
28AQI (US)
20AQI (US)
23AQI (US)
50AQI (US)
33AQI (US)
37AQI (US)
56AQI (US)
38AQI (US)
26AQI (US)
48AQI (US)
50AQI (US)
50AQI (US)
27AQI (US)
35AQI (US)
39AQI (US)
51AQI (US)
57AQI (US)
37AQI (US)
43AQI (US)
59AQI (US)
48AQI (US)
42AQI (US)
52AQI (US)
31AQI (US)
39AQI (US)
37AQI (US)
47AQI (US)
26AQI (US)
43AQI (US)
35AQI (US)
19AQI (US)
33AQI (US)
41AQI (US)
83AQI (US)
70AQI (US)
23AQI (US)
11AQI (US)
48AQI (US)
49AQI (US)
41AQI (US)
39AQI (US)
49AQI (US)
29AQI (US)
25AQI (US)
35AQI (US)
27AQI (US)
31AQI (US)
32AQI (US)
37AQI (US)
45AQI (US)
49AQI (US)
20AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
36AQI (US)
39AQI (US)
45AQI (US)
30AQI (US)
22AQI (US)
45AQI (US)
49AQI (US)
51AQI (US)
50AQI (US)
42AQI (US)
32AQI (US)
49AQI (US)
49AQI (US)
40AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
36AQI (US)
31AQI (US)
34AQI (US)
77AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
64AQI (US)
68AQI (US)
61AQI (US)
63AQI (US)
53AQI (US)
41AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
19AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
35AQI (US)
38AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
31AQI (US)
36AQI (US)
17AQI (US)
30AQI (US)
24AQI (US)
18AQI (US)
17AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
22AQI (US)
32AQI (US)
57AQI (US)
60AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
48AQI (US)
51AQI (US)
49AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
33AQI (US)
41AQI (US)
52AQI (US)
56AQI (US)
38AQI (US)
28AQI (US)
32AQI (US)
36AQI (US)
43AQI (US)
37AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
41AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
July55AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202344AQI (US)
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202246AQI (US)
Highest AQI (US) recorded in
February64AQI (US)
Lowest AQI (US) recorded in
December37AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
April35AQI (US)
202042AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kitasayacho's annual 2026 AQI (US) (35) shows an average percentage change of -19.4% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (42), 2022 (46), 2023 (44), 2024 (42), 2025 (45).