Hagi, Yamaguchi, 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
Hagi, Yamaguchi, 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
Hagi, Yamaguchi, Japan
5 AM2nd Jun 2026
7 PM
4 AM3rd Jun 2026
38AQI
8AQI
29AQI
8AQI
In the last 24 hours,
Hagi's AQI reached its highest point of 38 at 11 AM during the Day, while the lowest point, 8, was recorded at 11 PM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Hagi, Yamaguchi, Japan
14°C10/19°C
16°C12/20°C
17°C12/21°C
16°C13/17°C
14°C10/18°C
15°C10/20°C
16°C12/21°C
17°C14/21°C
17°C14/21°C
17°C14/22°C
18°C14/23°C
18°C15/23°C
19°C14/24°C
20°C15/26°C
20°C16/25°C
20°C18/21°C
20°C18/21°C
18°C15/20°C
19°C15/23°C
20°C18/22°C
21°C18/25°C
21°C19/25°C
19°C19/20°C
20°C19/21°C
20°C15/23°C
20°C16/25°C
22°C17/27°C
22°C19/26°C
20°C19/21°C
21°C18/23°C
46AQI
33AQI
46AQI
35AQI
2026 Days Vs Air Quality
Hagi, Yamaguchi, Japan
79%
122
21%
32
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% 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
Hagi, Yamaguchi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI (US)
23AQI (US)
28AQI (US)
37AQI (US)
41AQI (US)
21AQI (US)
34AQI (US)
26AQI (US)
15AQI (US)
32AQI (US)
24AQI (US)
26AQI (US)
40AQI (US)
22AQI (US)
40AQI (US)
62AQI (US)
69AQI (US)
68AQI (US)
66AQI (US)
41AQI (US)
10AQI (US)
22AQI (US)
37AQI (US)
44AQI (US)
22AQI (US)
13AQI (US)
38AQI (US)
24AQI (US)
34AQI (US)
12AQI (US)
19AQI (US)
46AQI (US)
47AQI (US)
28AQI (US)
35AQI (US)
44AQI (US)
54AQI (US)
18AQI (US)
16AQI (US)
34AQI (US)
38AQI (US)
47AQI (US)
43AQI (US)
58AQI (US)
57AQI (US)
47AQI (US)
54AQI (US)
19AQI (US)
32AQI (US)
44AQI (US)
52AQI (US)
55AQI (US)
33AQI (US)
28AQI (US)
11AQI (US)
22AQI (US)
12AQI (US)
47AQI (US)
34AQI (US)
35AQI (US)
57AQI (US)
38AQI (US)
46AQI (US)
48AQI (US)
46AQI (US)
51AQI (US)
29AQI (US)
31AQI (US)
33AQI (US)
53AQI (US)
55AQI (US)
36AQI (US)
42AQI (US)
57AQI (US)
48AQI (US)
39AQI (US)
48AQI (US)
48AQI (US)
42AQI (US)
24AQI (US)
40AQI (US)
38AQI (US)
51AQI (US)
54AQI (US)
42AQI (US)
53AQI (US)
69AQI (US)
72AQI (US)
45AQI (US)
14AQI (US)
17AQI (US)
53AQI (US)
51AQI (US)
41AQI (US)
40AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
44AQI (US)
33AQI (US)
34AQI (US)
36AQI (US)
39AQI (US)
32AQI (US)
35AQI (US)
34AQI (US)
27AQI (US)
30AQI (US)
32AQI (US)
44AQI (US)
37AQI (US)
15AQI (US)
35AQI (US)
45AQI (US)
48AQI (US)
52AQI (US)
43AQI (US)
40AQI (US)
32AQI (US)
48AQI (US)
40AQI (US)
36AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
31AQI (US)
26AQI (US)
36AQI (US)
30AQI (US)
34AQI (US)
76AQI (US)
62AQI (US)
53AQI (US)
45AQI (US)
61AQI (US)
66AQI (US)
69AQI (US)
61AQI (US)
63AQI (US)
54AQI (US)
41AQI (US)
24AQI (US)
25AQI (US)
32AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
23AQI (US)
25AQI (US)
33AQI (US)
38AQI (US)
45AQI (US)
36AQI (US)
40AQI (US)
25AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
November51AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
May48AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
June54AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hagi's annual 2026 AQI (US) (38) shows an average percentage change of -1.2% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (42), 2022 (39), 2023 (38), 2024 (35), 2025 (42).