Uwajima, Ehime, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Uwajima, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 25 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Uwajima, Ehime, Japan
5 AM2nd Jun 2026
7 PM
4 AM3rd Jun 2026
40AQI
16AQI
29AQI
19AQI
In the last 24 hours,
Uwajima's AQI reached its highest point of 40 at 11 AM during the Day, while the lowest point, 16, was recorded at 7 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Uwajima, Ehime, Japan
15°C10/18°C
15°C11/19°C
17°C12/22°C
16°C11/20°C
15°C10/19°C
15°C10/20°C
16°C12/22°C
17°C12/21°C
17°C13/21°C
17°C13/22°C
18°C13/22°C
18°C14/22°C
19°C15/24°C
20°C15/25°C
20°C15/25°C
21°C18/24°C
21°C19/23°C
20°C17/24°C
20°C17/23°C
20°C18/22°C
20°C17/24°C
21°C17/25°C
20°C19/21°C
21°C19/23°C
21°C16/25°C
20°C15/25°C
21°C17/26°C
20°C16/24°C
21°C19/22°C
21°C19/24°C
46AQI
35AQI
44AQI
36AQI
2026 Days Vs Air Quality
Uwajima, Ehime, Japan
84%
130
16%
24
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 154 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
Uwajima, Ehime, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
19AQI (US)
20AQI (US)
32AQI (US)
37AQI (US)
23AQI (US)
24AQI (US)
31AQI (US)
15AQI (US)
21AQI (US)
32AQI (US)
22AQI (US)
33AQI (US)
27AQI (US)
37AQI (US)
51AQI (US)
42AQI (US)
35AQI (US)
53AQI (US)
40AQI (US)
13AQI (US)
20AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
18AQI (US)
38AQI (US)
26AQI (US)
32AQI (US)
27AQI (US)
15AQI (US)
40AQI (US)
45AQI (US)
32AQI (US)
31AQI (US)
38AQI (US)
45AQI (US)
27AQI (US)
18AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
37AQI (US)
28AQI (US)
51AQI (US)
46AQI (US)
55AQI (US)
19AQI (US)
20AQI (US)
48AQI (US)
37AQI (US)
66AQI (US)
33AQI (US)
45AQI (US)
28AQI (US)
11AQI (US)
16AQI (US)
48AQI (US)
35AQI (US)
33AQI (US)
54AQI (US)
38AQI (US)
25AQI (US)
44AQI (US)
47AQI (US)
50AQI (US)
27AQI (US)
36AQI (US)
36AQI (US)
46AQI (US)
52AQI (US)
37AQI (US)
42AQI (US)
58AQI (US)
48AQI (US)
41AQI (US)
55AQI (US)
33AQI (US)
50AQI (US)
39AQI (US)
46AQI (US)
26AQI (US)
45AQI (US)
42AQI (US)
15AQI (US)
31AQI (US)
67AQI (US)
70AQI (US)
61AQI (US)
15AQI (US)
12AQI (US)
49AQI (US)
47AQI (US)
42AQI (US)
39AQI (US)
45AQI (US)
28AQI (US)
24AQI (US)
29AQI (US)
45AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
40AQI (US)
50AQI (US)
18AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
37AQI (US)
43AQI (US)
28AQI (US)
18AQI (US)
43AQI (US)
47AQI (US)
52AQI (US)
51AQI (US)
39AQI (US)
24AQI (US)
40AQI (US)
52AQI (US)
41AQI (US)
28AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
35AQI (US)
28AQI (US)
31AQI (US)
77AQI (US)
64AQI (US)
53AQI (US)
47AQI (US)
61AQI (US)
64AQI (US)
68AQI (US)
60AQI (US)
63AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
30AQI (US)
36AQI (US)
42AQI (US)
36AQI (US)
40AQI (US)
25AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
August37AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
May42AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Uwajima's annual 2026 AQI (US) (37) shows an average percentage change of 3.7% (worsened AQI (US)) compared to previous years: 2020 (35), 2021 (35), 2022 (38), 2023 (37), 2024 (30), 2025 (41).