Masaki, 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
Masaki, 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 28 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
Masaki, Ehime, Japan
5 AM2nd Jun 2026
7 PM
4 AM3rd Jun 2026
40AQI
10AQI
30AQI
10AQI
In the last 24 hours,
Masaki's AQI reached its highest point of 40 at 11 AM during the Day, while the lowest point, 10, was recorded at 11 PM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Masaki, Ehime, Japan
14°C10/17°C
14°C11/19°C
17°C12/21°C
16°C12/18°C
14°C10/18°C
15°C10/18°C
16°C12/19°C
16°C12/19°C
17°C13/20°C
18°C14/23°C
18°C13/23°C
18°C14/22°C
19°C15/23°C
19°C15/24°C
19°C14/23°C
19°C17/22°C
19°C18/21°C
19°C17/23°C
18°C16/20°C
20°C17/23°C
20°C17/23°C
20°C16/24°C
19°C18/19°C
20°C18/22°C
21°C17/23°C
20°C15/24°C
21°C17/25°C
20°C16/24°C
19°C18/20°C
21°C18/24°C
46AQI
36AQI
45AQI
36AQI
2026 Days Vs Air Quality
Masaki, Ehime, Japan
85%
131
15%
23
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% 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
Masaki, Ehime, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
27AQI (US)
30AQI (US)
40AQI (US)
50AQI (US)
30AQI (US)
34AQI (US)
38AQI (US)
22AQI (US)
34AQI (US)
31AQI (US)
22AQI (US)
34AQI (US)
23AQI (US)
42AQI (US)
58AQI (US)
50AQI (US)
46AQI (US)
51AQI (US)
26AQI (US)
20AQI (US)
26AQI (US)
34AQI (US)
43AQI (US)
41AQI (US)
18AQI (US)
40AQI (US)
26AQI (US)
30AQI (US)
21AQI (US)
17AQI (US)
41AQI (US)
46AQI (US)
32AQI (US)
33AQI (US)
38AQI (US)
44AQI (US)
27AQI (US)
20AQI (US)
37AQI (US)
44AQI (US)
36AQI (US)
33AQI (US)
30AQI (US)
45AQI (US)
44AQI (US)
36AQI (US)
22AQI (US)
22AQI (US)
42AQI (US)
32AQI (US)
65AQI (US)
31AQI (US)
47AQI (US)
32AQI (US)
18AQI (US)
23AQI (US)
50AQI (US)
27AQI (US)
34AQI (US)
58AQI (US)
39AQI (US)
25AQI (US)
46AQI (US)
48AQI (US)
47AQI (US)
27AQI (US)
35AQI (US)
39AQI (US)
51AQI (US)
56AQI (US)
37AQI (US)
43AQI (US)
58AQI (US)
50AQI (US)
42AQI (US)
54AQI (US)
31AQI (US)
39AQI (US)
38AQI (US)
44AQI (US)
32AQI (US)
36AQI (US)
34AQI (US)
16AQI (US)
32AQI (US)
62AQI (US)
65AQI (US)
54AQI (US)
23AQI (US)
14AQI (US)
48AQI (US)
50AQI (US)
40AQI (US)
32AQI (US)
48AQI (US)
30AQI (US)
28AQI (US)
39AQI (US)
32AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
52AQI (US)
56AQI (US)
20AQI (US)
30AQI (US)
36AQI (US)
37AQI (US)
39AQI (US)
38AQI (US)
44AQI (US)
30AQI (US)
21AQI (US)
44AQI (US)
48AQI (US)
52AQI (US)
49AQI (US)
41AQI (US)
32AQI (US)
48AQI (US)
49AQI (US)
40AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
35AQI (US)
30AQI (US)
32AQI (US)
78AQI (US)
64AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
65AQI (US)
69AQI (US)
60AQI (US)
64AQI (US)
54AQI (US)
41AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
36AQI (US)
42AQI (US)
38AQI (US)
41AQI (US)
27AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
October55AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
April58AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202348AQI (US)
Highest AQI (US) recorded in
June59AQI (US)
Lowest AQI (US) recorded in
December42AQI (US)
202246AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
December38AQI (US)
202141AQI (US)
Highest AQI (US) recorded in
June53AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Masaki's annual 2026 AQI (US) (38) shows an average percentage change of -13.2% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (41), 2022 (46), 2023 (48), 2024 (42), 2025 (46).