Imabari, Ehime, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Imabari, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 27 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 30th Sep - 1st Oct 2026
Imabari, Ehime, Japan
5 AM30th Sep 2026
6 PM
4 AM1st Oct 2026
29AQI
21AQI
36AQI
23AQI
In the last 24 hours,
Imabari's AQI reached its highest point of 36 at 8 PM during the Night, while the lowest point, 21, was recorded at 4 PM during the Day between 30th Sep and 1st Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Imabari, Ehime, Japan
25°C22/30°C
23°C21/24°C
21°C19/23°C
22°C21/24°C
22°C21/24°C
23°C22/25°C
23°C22/24°C
22°C20/24°C
20°C19/22°C
22°C21/23°C
23°C21/26°C
24°C22/28°C
24°C22/28°C
23°C21/25°C
21°C20/22°C
22°C20/24°C
22°C21/24°C
22°C21/25°C
23°C21/26°C
21°C20/23°C
21°C18/24°C
21°C19/24°C
22°C19/27°C
21°C19/24°C
20°C19/21°C
20°C19/22°C
21°C18/22°C
19°C18/19°C
20°C17/23°C
20°C16/25°C
28AQI
26AQI
29AQI
27AQI
2026 Days Vs Air Quality
Imabari, Ehime, Japan
81%
221
19%
53
Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 274 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
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)
42AQI (US)
27AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
30AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
37AQI (US)
39AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
44AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
44AQI (US)
32AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
33AQI (US)
28AQI (US)
42AQI (US)
40AQI (US)
43AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
34AQI (US)
43AQI (US)
49AQI (US)
41AQI (US)
41AQI (US)
25AQI (US)
38AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
No. of days
202636AQI (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
Imabari's annual 2026 AQI (US) (36) shows an average percentage change of -18.9% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (43), 2022 (44), 2023 (46), 2024 (42), 2025 (47).