Izumo, Shimane, 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
Izumo, Shimane, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (17th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 33 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Day & Night AQI Trend: 16th Jul - 17th Jul 2026
Izumo, Shimane, Japan
4 AM16th Jul 2026
7 PM
3 AM17th Jul 2026
32AQI
27AQI
31AQI
28AQI
In the last 24 hours,
Izumo's AQI reached its highest point of 32 at 9 AM during the Day, while the lowest point, 27, was recorded at 4 PM during the Day between 16th Jul and 17th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Izumo, Shimane, Japan
23°C18/27°C
23°C19/28°C
22°C21/25°C
21°C19/23°C
20°C17/22°C
20°C17/23°C
19°C15/23°C
21°C19/25°C
21°C18/23°C
20°C17/24°C
21°C18/24°C
21°C18/25°C
22°C18/27°C
21°C19/23°C
21°C18/23°C
21°C16/27°C
20°C19/22°C
22°C20/23°C
22°C21/25°C
25°C21/29°C
26°C22/31°C
25°C21/31°C
25°C20/30°C
26°C21/32°C
27°C22/32°C
26°C23/30°C
26°C23/30°C
27°C22/31°C
26°C21/29°C
25°C21/31°C
28AQI
23AQI
26AQI
24AQI
2026 Days Vs Air Quality
Izumo, Shimane, Japan
85%
168
15%
30
Total number of days with different AQI categories in last 198 days in 2026 (167 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 198 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
Izumo, Shimane, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
13AQI (US)
12AQI (US)
24AQI (US)
36AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
14AQI (US)
20AQI (US)
28AQI (US)
22AQI (US)
30AQI (US)
18AQI (US)
33AQI (US)
62AQI (US)
56AQI (US)
50AQI (US)
46AQI (US)
24AQI (US)
11AQI (US)
18AQI (US)
36AQI (US)
42AQI (US)
12AQI (US)
16AQI (US)
44AQI (US)
20AQI (US)
16AQI (US)
36AQI (US)
34AQI (US)
43AQI (US)
47AQI (US)
32AQI (US)
36AQI (US)
44AQI (US)
50AQI (US)
13AQI (US)
10AQI (US)
36AQI (US)
36AQI (US)
46AQI (US)
56AQI (US)
46AQI (US)
36AQI (US)
38AQI (US)
40AQI (US)
12AQI (US)
30AQI (US)
36AQI (US)
42AQI (US)
48AQI (US)
35AQI (US)
24AQI (US)
14AQI (US)
25AQI (US)
26AQI (US)
48AQI (US)
42AQI (US)
42AQI (US)
70AQI (US)
38AQI (US)
54AQI (US)
53AQI (US)
49AQI (US)
44AQI (US)
37AQI (US)
44AQI (US)
58AQI (US)
56AQI (US)
62AQI (US)
40AQI (US)
46AQI (US)
60AQI (US)
54AQI (US)
48AQI (US)
54AQI (US)
58AQI (US)
44AQI (US)
45AQI (US)
40AQI (US)
49AQI (US)
73AQI (US)
54AQI (US)
20AQI (US)
38AQI (US)
70AQI (US)
75AQI (US)
60AQI (US)
15AQI (US)
22AQI (US)
54AQI (US)
52AQI (US)
36AQI (US)
24AQI (US)
28AQI (US)
19AQI (US)
22AQI (US)
30AQI (US)
14AQI (US)
32AQI (US)
34AQI (US)
36AQI (US)
40AQI (US)
34AQI (US)
30AQI (US)
38AQI (US)
30AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
45AQI (US)
50AQI (US)
50AQI (US)
45AQI (US)
36AQI (US)
18AQI (US)
46AQI (US)
52AQI (US)
39AQI (US)
28AQI (US)
20AQI (US)
30AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
35AQI (US)
42AQI (US)
35AQI (US)
32AQI (US)
77AQI (US)
63AQI (US)
54AQI (US)
45AQI (US)
60AQI (US)
66AQI (US)
71AQI (US)
62AQI (US)
62AQI (US)
56AQI (US)
42AQI (US)
24AQI (US)
18AQI (US)
24AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
22AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
22AQI (US)
14AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
16AQI (US)
22AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
35AQI (US)
50AQI (US)
34AQI (US)
41AQI (US)
24AQI (US)
26AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
September68AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Izumo's annual 2026 AQI (US) (35) shows an average percentage change of -6.6% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (36), 2022 (41), 2023 (38), 2024 (35), 2025 (41).