Kubotacho, Niihama, 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
Kubotacho, Niihama, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 68 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Kubotacho, Niihama, Ehime, Japan
5 AM5th Oct 2025
6 PM
4 AM6th Oct 2025
71AQI
56AQI
68AQI
58AQI
In the last 24 hours,
Kubotacho's AQI reached its highest point of 71 at 9 AM during the Day, while the lowest point, 56, was recorded at 2 PM during the Day between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kubotacho, Niihama, Ehime, Japan
26°C24/28°C
27°C25/31°C
28°C26/30°C
27°C25/30°C
26°C24/29°C
25°C24/27°C
25°C24/28°C
26°C23/29°C
27°C25/30°C
27°C24/29°C
27°C24/29°C
27°C25/29°C
26°C23/29°C
24°C22/26°C
25°C23/27°C
24°C21/26°C
23°C20/26°C
22°C21/24°C
24°C22/26°C
24°C23/25°C
25°C23/27°C
23°C21/25°C
22°C21/24°C
23°C20/25°C
22°C20/23°C
22°C20/24°C
22°C19/24°C
21°C20/23°C
23°C20/25°C
24°C21/26°C
--°C/°C
41AQI
36AQI
41AQI
37AQI
2025 Days Vs Air Quality
Kubotacho, Niihama, Ehime, Japan
67%
185
33%
91
0.7%
2
Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 279 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
Kubotacho, Niihama, Ehime, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
38AQI
34AQI
32AQI
31AQI
47AQI
32AQI
34AQI
29AQI
28AQI
29AQI
29AQI
40AQI
47AQI
43AQI
36AQI
35AQI
32AQI
50AQI
41AQI
53AQI
59AQI
69AQI
88AQI
46AQI
48AQI
35AQI
37AQI
32AQI
44AQI
57AQI
68AQI
45AQI
53AQI
39AQI
40AQI
32AQI
37AQI
31AQI
32AQI
31AQI
33AQI
46AQI
32AQI
44AQI
30AQI
54AQI
46AQI
42AQI
41AQI
36AQI
36AQI
40AQI
36AQI
37AQI
37AQI
40AQI
73AQI
86AQI
100AQI
121AQI
59AQI
60AQI
41AQI
41AQI
38AQI
41AQI
43AQI
45AQI
53AQI
55AQI
61AQI
56AQI
41AQI
29AQI
44AQI
30AQI
42AQI
45AQI
60AQI
62AQI
70AQI
67AQI
83AQI
77AQI
94AQI
60AQI
53AQI
44AQI
43AQI
49AQI
44AQI
30AQI
36AQI
44AQI
48AQI
47AQI
44AQI
62AQI
64AQI
61AQI
65AQI
47AQI
50AQI
31AQI
49AQI
52AQI
64AQI
61AQI
55AQI
47AQI
58AQI
47AQI
42AQI
60AQI
62AQI
59AQI
50AQI
48AQI
59AQI
56AQI
43AQI
51AQI
39AQI
44AQI
38AQI
34AQI
37AQI
42AQI
38AQI
40AQI
51AQI
55AQI
61AQI
59AQI
64AQI
50AQI
53AQI
60AQI
65AQI
71AQI
49AQI
54AQI
45AQI
29AQI
39AQI
39AQI
44AQI
49AQI
45AQI
41AQI
45AQI
54AQI
35AQI
47AQI
47AQI
55AQI
58AQI
71AQI
60AQI
38AQI
48AQI
59AQI
59AQI
59AQI
37AQI
43AQI
39AQI
50AQI
52AQI
62AQI
64AQI
75AQI
55AQI
52AQI
57AQI
48AQI
55AQI
57AQI
60AQI
60AQI
61AQI
88AQI
98AQI
111AQI
93AQI
70AQI
67AQI
72AQI
76AQI
80AQI
62AQI
60AQI
53AQI
42AQI
49AQI
58AQI
46AQI
42AQI
42AQI
41AQI
40AQI
38AQI
43AQI
48AQI
35AQI
29AQI
30AQI
38AQI
42AQI
42AQI
39AQI
44AQI
45AQI
48AQI
58AQI
51AQI
47AQI
46AQI
48AQI
47AQI
39AQI
31AQI
34AQI
42AQI
46AQI
45AQI
42AQI
42AQI
44AQI
49AQI
46AQI
43AQI
44AQI
47AQI
47AQI
47AQI
51AQI
50AQI
48AQI
52AQI
50AQI
48AQI
39AQI
33AQI
40AQI
25AQI
22AQI
29AQI
30AQI
31AQI
32AQI
32AQI
31AQI
29AQI
33AQI
29AQI
37AQI
41AQI
42AQI
29AQI
32AQI
43AQI
27AQI
27AQI
29AQI
32AQI
30AQI
37AQI
39AQI
45AQI
34AQI
32AQI
44AQI
59AQI
61AQI
70AQI
68AQI
41AQI
43AQI
57AQI
51AQI
48AQI
53AQI
56AQI
46AQI
33AQI
60AQI
No. of days
202548AQI
Highest AQI recorded in
October60AQI
Lowest AQI recorded in
September33AQI
202445AQI
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
December32AQI
202349AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
August38AQI
202250AQI
Highest AQI recorded in
May66AQI
Lowest AQI recorded in
December38AQI
202145AQI
Highest AQI recorded in
June59AQI
Lowest AQI recorded in
January39AQI
202046AQI
Highest AQI recorded in
August66AQI
Lowest AQI recorded in
December35AQI
Most & Least Polluted Years Over the Last 6 Years
Kubotacho's annual 2025 AQI (48) shows an average percentage change of 1.8% (worsened AQI) compared to previous years: 2020 (46), 2021 (45), 2022 (50), 2023 (49), 2024 (45).