Asahimachi, Imabari, 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
Asahimachi, Imabari, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 53 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Asahimachi, Imabari, Ehime, Japan
5 AM3rd Aug 2026
7 PM
4 AM4th Aug 2026
56AQI
44AQI
55AQI
51AQI
In the last 24 hours,
Asahimachi's AQI reached its highest point of 56 at 12 PM during the Day, while the lowest point, 44, was recorded at 10 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Asahimachi, Imabari, Ehime, Japan
23°C21/26°C
24°C21/28°C
25°C22/28°C
24°C21/27°C
24°C20/28°C
25°C21/29°C
26°C22/30°C
27°C23/32°C
28°C24/32°C
27°C24/31°C
28°C24/32°C
27°C23/32°C
27°C24/31°C
27°C23/31°C
27°C24/31°C
28°C24/31°C
28°C24/32°C
28°C24/33°C
28°C24/33°C
28°C24/33°C
28°C24/33°C
28°C24/34°C
28°C24/34°C
26°C22/30°C
28°C24/33°C
28°C23/33°C
28°C23/34°C
29°C24/34°C
28°C25/32°C
27°C24/31°C
44AQI
39AQI
44AQI
42AQI
2026 Days Vs Air Quality
Asahimachi, Imabari, Ehime, Japan
75%
163
25%
53
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2026, 75% of 216 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
Asahimachi, Imabari, Ehime, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
18AQI (US)
25AQI (US)
34AQI (US)
51AQI (US)
27AQI (US)
26AQI (US)
35AQI (US)
18AQI (US)
26AQI (US)
31AQI (US)
20AQI (US)
31AQI (US)
27AQI (US)
54AQI (US)
65AQI (US)
55AQI (US)
66AQI (US)
61AQI (US)
27AQI (US)
16AQI (US)
26AQI (US)
36AQI (US)
46AQI (US)
41AQI (US)
21AQI (US)
43AQI (US)
31AQI (US)
34AQI (US)
25AQI (US)
19AQI (US)
44AQI (US)
50AQI (US)
33AQI (US)
34AQI (US)
42AQI (US)
45AQI (US)
28AQI (US)
22AQI (US)
37AQI (US)
46AQI (US)
47AQI (US)
42AQI (US)
42AQI (US)
65AQI (US)
73AQI (US)
51AQI (US)
24AQI (US)
23AQI (US)
44AQI (US)
42AQI (US)
72AQI (US)
67AQI (US)
60AQI (US)
44AQI (US)
27AQI (US)
19AQI (US)
53AQI (US)
21AQI (US)
35AQI (US)
59AQI (US)
41AQI (US)
29AQI (US)
48AQI (US)
48AQI (US)
41AQI (US)
27AQI (US)
42AQI (US)
57AQI (US)
53AQI (US)
59AQI (US)
37AQI (US)
42AQI (US)
58AQI (US)
51AQI (US)
44AQI (US)
59AQI (US)
45AQI (US)
58AQI (US)
48AQI (US)
53AQI (US)
55AQI (US)
56AQI (US)
55AQI (US)
16AQI (US)
36AQI (US)
68AQI (US)
88AQI (US)
88AQI (US)
24AQI (US)
12AQI (US)
50AQI (US)
54AQI (US)
44AQI (US)
25AQI (US)
51AQI (US)
37AQI (US)
37AQI (US)
45AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
42AQI (US)
69AQI (US)
48AQI (US)
21AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
46AQI (US)
31AQI (US)
24AQI (US)
46AQI (US)
50AQI (US)
52AQI (US)
51AQI (US)
44AQI (US)
33AQI (US)
48AQI (US)
51AQI (US)
34AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
27AQI (US)
35AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
28AQI (US)
33AQI (US)
77AQI (US)
64AQI (US)
54AQI (US)
46AQI (US)
61AQI (US)
65AQI (US)
68AQI (US)
61AQI (US)
64AQI (US)
54AQI (US)
42AQI (US)
26AQI (US)
21AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
34AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
13AQI (US)
13AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
26AQI (US)
39AQI (US)
57AQI (US)
22AQI (US)
13AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
45AQI (US)
55AQI (US)
15AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
30AQI (US)
45AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
37AQI (US)
58AQI (US)
60AQI (US)
62AQI (US)
66AQI (US)
62AQI (US)
57AQI (US)
50AQI (US)
53AQI (US)
42AQI (US)
40AQI (US)
39AQI (US)
29AQI (US)
32AQI (US)
32AQI (US)
41AQI (US)
44AQI (US)
50AQI (US)
53AQI (US)
34AQI (US)
43AQI (US)
49AQI (US)
41AQI (US)
41AQI (US)
25AQI (US)
38AQI (US)
47AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202547AQI (US)
Highest AQI (US) recorded in
July57AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
April56AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202346AQI (US)
Highest AQI (US) recorded in
April59AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202244AQI (US)
Highest AQI (US) recorded in
May56AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
October35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Asahimachi's annual 2026 AQI (US) (39) shows an average percentage change of -12.2% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (43), 2022 (44), 2023 (46), 2024 (42), 2025 (47).