Kitakuroda, Masaki, 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
Kitakuroda, Masaki, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Oct - 16th Oct 2025
Kitakuroda, Masaki, Ehime, Japan
6 AM15th Oct 2025
5 PM
5 AM16th Oct 2025
AQI
AQI
68AQI
55AQI
In the last 24 hours,
Kitakuroda's AQI reached its highest point of 68 at 9 PM during the Night, while the lowest point, 55, was recorded at 3 PM during the Night between 15th Oct and 16th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kitakuroda, Masaki, Ehime, Japan
27°C24/29°C
27°C25/29°C
25°C24/27°C
25°C22/28°C
25°C23/27°C
25°C22/27°C
23°C21/27°C
23°C22/25°C
25°C23/28°C
24°C24/26°C
25°C23/27°C
24°C22/26°C
23°C22/24°C
23°C20/26°C
21°C19/24°C
22°C19/25°C
22°C19/26°C
21°C20/22°C
24°C21/26°C
24°C22/26°C
23°C21/27°C
23°C21/26°C
24°C22/28°C
22°C19/25°C
22°C19/26°C
24°C20/27°C
25°C23/28°C
23°C22/26°C
24°C21/27°C
--°C/°C
--°C/°C
49AQI
43AQI
49AQI
45AQI
2025 Days Vs Air Quality
Kitakuroda, Masaki, Ehime, Japan
70%
203
30%
85
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 288 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
Kitakuroda, Masaki, Ehime, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
37AQI
32AQI
31AQI
29AQI
45AQI
31AQI
35AQI
29AQI
28AQI
30AQI
29AQI
43AQI
47AQI
47AQI
38AQI
41AQI
32AQI
43AQI
40AQI
53AQI
60AQI
62AQI
78AQI
45AQI
46AQI
36AQI
37AQI
31AQI
43AQI
52AQI
55AQI
42AQI
51AQI
35AQI
40AQI
31AQI
38AQI
31AQI
32AQI
31AQI
46AQI
44AQI
38AQI
37AQI
33AQI
40AQI
44AQI
34AQI
39AQI
31AQI
35AQI
42AQI
36AQI
42AQI
36AQI
45AQI
71AQI
81AQI
92AQI
72AQI
48AQI
44AQI
39AQI
36AQI
34AQI
42AQI
41AQI
42AQI
48AQI
51AQI
55AQI
51AQI
41AQI
27AQI
45AQI
33AQI
40AQI
47AQI
56AQI
63AQI
67AQI
60AQI
69AQI
68AQI
58AQI
58AQI
47AQI
46AQI
41AQI
45AQI
33AQI
29AQI
31AQI
42AQI
45AQI
43AQI
40AQI
55AQI
54AQI
57AQI
59AQI
50AQI
46AQI
33AQI
48AQI
48AQI
59AQI
57AQI
45AQI
46AQI
50AQI
35AQI
34AQI
56AQI
56AQI
54AQI
43AQI
44AQI
50AQI
48AQI
40AQI
44AQI
38AQI
43AQI
29AQI
33AQI
39AQI
38AQI
35AQI
36AQI
49AQI
53AQI
58AQI
56AQI
58AQI
46AQI
51AQI
59AQI
61AQI
55AQI
41AQI
51AQI
35AQI
28AQI
34AQI
40AQI
38AQI
46AQI
46AQI
40AQI
46AQI
51AQI
30AQI
46AQI
44AQI
52AQI
55AQI
61AQI
50AQI
36AQI
37AQI
47AQI
51AQI
40AQI
32AQI
34AQI
29AQI
40AQI
41AQI
47AQI
55AQI
66AQI
57AQI
53AQI
52AQI
50AQI
53AQI
55AQI
54AQI
55AQI
56AQI
68AQI
84AQI
89AQI
82AQI
68AQI
65AQI
68AQI
71AQI
76AQI
71AQI
63AQI
56AQI
49AQI
55AQI
58AQI
53AQI
45AQI
42AQI
41AQI
35AQI
32AQI
33AQI
41AQI
31AQI
27AQI
26AQI
33AQI
31AQI
29AQI
34AQI
43AQI
42AQI
44AQI
52AQI
44AQI
43AQI
47AQI
49AQI
38AQI
46AQI
33AQI
31AQI
39AQI
45AQI
42AQI
39AQI
36AQI
43AQI
49AQI
44AQI
41AQI
41AQI
44AQI
41AQI
43AQI
45AQI
46AQI
44AQI
49AQI
46AQI
42AQI
37AQI
31AQI
37AQI
28AQI
20AQI
25AQI
29AQI
29AQI
29AQI
33AQI
29AQI
27AQI
33AQI
28AQI
33AQI
41AQI
41AQI
30AQI
32AQI
47AQI
29AQI
28AQI
28AQI
33AQI
25AQI
28AQI
33AQI
31AQI
25AQI
28AQI
33AQI
55AQI
53AQI
58AQI
64AQI
60AQI
57AQI
66AQI
58AQI
61AQI
65AQI
75AQI
65AQI
63AQI
65AQI
41AQI
41AQI
50AQI
46AQI
44AQI
47AQI
52AQI
43AQI
31AQI
60AQI
No. of days
202545AQI
Highest AQI recorded in
October60AQI
Lowest AQI recorded in
September31AQI
202441AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
December32AQI
202348AQI
Highest AQI recorded in
June61AQI
Lowest AQI recorded in
February39AQI
202246AQI
Highest AQI recorded in
May58AQI
Lowest AQI recorded in
January37AQI
202141AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
January33AQI
202041AQI
Highest AQI recorded in
August60AQI
Lowest AQI recorded in
December29AQI
Most & Least Polluted Years Over the Last 6 Years
Kitakuroda's annual 2025 AQI (45) shows an average percentage change of 4.2% (worsened AQI) compared to previous years: 2020 (41), 2021 (41), 2022 (46), 2023 (48), 2024 (41).