Uchiko, Ehime, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Uchiko, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Uchiko, Ehime, Japan
76%
162
24%
50
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 213 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
Uchiko, Ehime, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
35AQI
34AQI
31AQI
32AQI
42AQI
32AQI
33AQI
26AQI
24AQI
24AQI
29AQI
41AQI
44AQI
43AQI
34AQI
35AQI
30AQI
37AQI
33AQI
48AQI
52AQI
54AQI
61AQI
42AQI
35AQI
30AQI
33AQI
28AQI
41AQI
52AQI
44AQI
33AQI
45AQI
33AQI
38AQI
31AQI
36AQI
30AQI
31AQI
30AQI
33AQI
31AQI
28AQI
33AQI
29AQI
30AQI
43AQI
33AQI
39AQI
32AQI
39AQI
43AQI
36AQI
37AQI
32AQI
38AQI
57AQI
50AQI
62AQI
55AQI
42AQI
35AQI
34AQI
29AQI
32AQI
38AQI
37AQI
40AQI
30AQI
36AQI
47AQI
38AQI
37AQI
23AQI
45AQI
31AQI
47AQI
45AQI
60AQI
60AQI
67AQI
61AQI
75AQI
75AQI
56AQI
60AQI
52AQI
43AQI
40AQI
39AQI
29AQI
38AQI
40AQI
44AQI
45AQI
44AQI
42AQI
50AQI
49AQI
48AQI
52AQI
42AQI
44AQI
31AQI
45AQI
46AQI
56AQI
56AQI
38AQI
44AQI
33AQI
20AQI
30AQI
44AQI
47AQI
50AQI
39AQI
44AQI
46AQI
45AQI
41AQI
45AQI
39AQI
40AQI
28AQI
35AQI
37AQI
30AQI
34AQI
37AQI
50AQI
53AQI
58AQI
58AQI
55AQI
47AQI
50AQI
59AQI
61AQI
42AQI
41AQI
48AQI
27AQI
28AQI
32AQI
37AQI
34AQI
32AQI
34AQI
36AQI
44AQI
47AQI
27AQI
43AQI
43AQI
51AQI
54AQI
58AQI
32AQI
28AQI
35AQI
44AQI
34AQI
28AQI
30AQI
34AQI
35AQI
41AQI
46AQI
52AQI
57AQI
65AQI
58AQI
52AQI
48AQI
50AQI
48AQI
53AQI
55AQI
57AQI
57AQI
73AQI
85AQI
100AQI
91AQI
75AQI
73AQI
73AQI
75AQI
68AQI
59AQI
55AQI
49AQI
45AQI
53AQI
55AQI
45AQI
42AQI
38AQI
35AQI
32AQI
32AQI
32AQI
30AQI
28AQI
25AQI
25AQI
26AQI
27AQI
28AQI
29AQI
37AQI
36AQI
46AQI
43AQI
42AQI
45AQI
50AQI
No. of days
202543AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
February36AQI
202429AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
October21AQI
202338AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
August22AQI
202239AQI
Highest AQI recorded in
May52AQI
Lowest AQI recorded in
August10AQI
202137AQI
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
August28AQI
202033AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Uchiko's annual 2025 AQI (43) shows an average percentage change of 22.9% (worsened AQI) compared to previous years: 2020 (33), 2021 (37), 2022 (39), 2023 (38), 2024 (29).
