Hagi, Yamaguchi, 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
Hagi, Yamaguchi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 29th Jul - 30th Jul 2026
Hagi, Yamaguchi, Japan
5 AM29th Jul 2026
7 PM
4 AM30th Jul 2026
27AQI
21AQI
25AQI
23AQI
In the last 24 hours,
Hagi's AQI reached its highest point of 27 at 1 PM during the Day, while the lowest point, 21, was recorded at 8 AM during the Day between 29th Jul and 30th Jul 2026.
Day & Night AQI Trend : Jul 2026
Hagi, Yamaguchi, Japan
22°C20/23°C
22°C20/24°C
22°C19/25°C
22°C21/24°C
23°C22/24°C
24°C22/26°C
25°C22/29°C
26°C24/29°C
25°C23/28°C
25°C22/29°C
27°C24/30°C
27°C23/32°C
27°C24/30°C
27°C23/31°C
27°C24/30°C
27°C23/30°C
26°C23/29°C
27°C24/31°C
27°C25/31°C
27°C25/29°C
27°C24/30°C
27°C24/31°C
27°C24/31°C
27°C24/30°C
27°C24/31°C
27°C24/31°C
28°C24/32°C
27°C24/32°C
27°C25/29°C
27°C24/31°C
34AQI
30AQI
34AQI
31AQI
2026 Days Vs Air Quality
Hagi, Yamaguchi, Japan
82%
174
18%
37
Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 211 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)
25AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
39AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
21AQI (US)
20AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
37AQI (US)
42AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
51AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
36AQI (US)
66AQI (US)
79AQI (US)
69AQI (US)
55AQI (US)
45AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
33AQI (US)
38AQI (US)
45AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
33AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June24AQI (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) (36) shows an average percentage change of -6.4% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (42), 2022 (39), 2023 (38), 2024 (35), 2025 (42).