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!
August Air Quality Analysis
Kitakuroda, Masaki, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Kitakuroda, Masaki, Ehime, Japan
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
70AQI
42AQI
50AQI
42AQI
In the last 24 hours,
Kitakuroda's AQI reached its highest point of 70 at 12 PM during the Day, while the lowest point, 42, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kitakuroda, Masaki, Ehime, Japan
26°C23/29°C
26°C22/29°C
26°C23/30°C
25°C22/29°C
26°C23/30°C
26°C23/30°C
26°C23/29°C
26°C23/29°C
25°C22/28°C
25°C21/29°C
26°C22/30°C
26°C23/29°C
25°C23/29°C
26°C22/30°C
26°C23/29°C
26°C23/29°C
26°C23/29°C
26°C23/30°C
26°C23/30°C
27°C23/31°C
27°C24/31°C
27°C23/32°C
26°C23/30°C
26°C24/30°C
26°C23/30°C
26°C23/30°C
27°C24/31°C
27°C24/31°C
27°C24/31°C
28°C24/32°C
--°C/°C
50AQI
36AQI
50AQI
47AQI
2025 Days Vs Air Quality
Kitakuroda, Masaki, Ehime, Japan
68%
146
32%
70
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 217 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
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
43AQI
41AQI
41AQI
50AQI
46AQI
44AQI
47AQI
52AQI
43AQI
No. of days
202546AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
January41AQI
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 (46) shows an average percentage change of 6.9% (worsened AQI) compared to previous years: 2020 (41), 2021 (41), 2022 (46), 2023 (48), 2024 (41).