Mihara, Hiroshima, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Mihara, Hiroshima, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 38 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 26th Sep - 27th Sep 2026
Mihara, Hiroshima, Japan
5 AM26th Sep 2026
6 PM
4 AM27th Sep 2026
51AQI
25AQI
46AQI
25AQI
In the last 24 hours,
Mihara's AQI reached its highest point of 51 at 11 AM during the Day, while the lowest point, 25, was recorded at 4 AM during the Night between 26th Sep and 27th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Mihara, Hiroshima, Japan
27°C25/32°C
28°C25/33°C
28°C25/34°C
28°C24/33°C
28°C24/33°C
23°C21/26°C
21°C20/22°C
23°C20/27°C
23°C21/26°C
25°C22/29°C
24°C22/29°C
22°C19/24°C
21°C19/23°C
23°C21/26°C
25°C22/29°C
26°C23/30°C
25°C22/29°C
23°C21/26°C
21°C20/22°C
22°C18/27°C
23°C20/28°C
23°C20/27°C
24°C21/29°C
22°C19/23°C
22°C18/28°C
21°C17/27°C
23°C20/29°C
22°C20/26°C
20°C18/22°C
20°C19/22°C
38AQI
31AQI
34AQI
31AQI
2026 Days Vs Air Quality
Mihara, Hiroshima, Japan
85%
230
15%
40
Total number of days with different AQI categories in last 270 days in 2026 (95 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 270 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
Mihara, Hiroshima, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
16AQI (US)
18AQI (US)
29AQI (US)
38AQI (US)
15AQI (US)
23AQI (US)
26AQI (US)
16AQI (US)
32AQI (US)
18AQI (US)
18AQI (US)
31AQI (US)
29AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
60AQI (US)
58AQI (US)
22AQI (US)
11AQI (US)
21AQI (US)
36AQI (US)
43AQI (US)
41AQI (US)
22AQI (US)
42AQI (US)
25AQI (US)
17AQI (US)
34AQI (US)
20AQI (US)
38AQI (US)
46AQI (US)
32AQI (US)
36AQI (US)
43AQI (US)
45AQI (US)
22AQI (US)
13AQI (US)
34AQI (US)
44AQI (US)
32AQI (US)
22AQI (US)
34AQI (US)
58AQI (US)
54AQI (US)
43AQI (US)
18AQI (US)
19AQI (US)
39AQI (US)
38AQI (US)
60AQI (US)
57AQI (US)
46AQI (US)
45AQI (US)
21AQI (US)
10AQI (US)
45AQI (US)
17AQI (US)
34AQI (US)
46AQI (US)
12AQI (US)
13AQI (US)
45AQI (US)
45AQI (US)
41AQI (US)
17AQI (US)
38AQI (US)
56AQI (US)
51AQI (US)
55AQI (US)
35AQI (US)
41AQI (US)
57AQI (US)
48AQI (US)
42AQI (US)
56AQI (US)
45AQI (US)
50AQI (US)
44AQI (US)
37AQI (US)
37AQI (US)
34AQI (US)
50AQI (US)
14AQI (US)
32AQI (US)
57AQI (US)
78AQI (US)
78AQI (US)
20AQI (US)
11AQI (US)
48AQI (US)
50AQI (US)
36AQI (US)
19AQI (US)
46AQI (US)
21AQI (US)
31AQI (US)
37AQI (US)
23AQI (US)
17AQI (US)
32AQI (US)
46AQI (US)
48AQI (US)
17AQI (US)
21AQI (US)
39AQI (US)
40AQI (US)
32AQI (US)
28AQI (US)
35AQI (US)
46AQI (US)
29AQI (US)
26AQI (US)
44AQI (US)
32AQI (US)
29AQI (US)
45AQI (US)
40AQI (US)
32AQI (US)
46AQI (US)
40AQI (US)
33AQI (US)
20AQI (US)
16AQI (US)
26AQI (US)
25AQI (US)
20AQI (US)
15AQI (US)
24AQI (US)
27AQI (US)
21AQI (US)
34AQI (US)
25AQI (US)
31AQI (US)
79AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
65AQI (US)
69AQI (US)
61AQI (US)
63AQI (US)
54AQI (US)
42AQI (US)
22AQI (US)
32AQI (US)
32AQI (US)
24AQI (US)
30AQI (US)
44AQI (US)
18AQI (US)
11AQI (US)
22AQI (US)
27AQI (US)
46AQI (US)
20AQI (US)
13AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
21AQI (US)
15AQI (US)
26AQI (US)
17AQI (US)
25AQI (US)
32AQI (US)
47AQI (US)
14AQI (US)
13AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
29AQI (US)
26AQI (US)
36AQI (US)
48AQI (US)
62AQI (US)
64AQI (US)
12AQI (US)
26AQI (US)
19AQI (US)
21AQI (US)
20AQI (US)
45AQI (US)
45AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
19AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
34AQI (US)
43AQI (US)
64AQI (US)
64AQI (US)
63AQI (US)
65AQI (US)
68AQI (US)
57AQI (US)
53AQI (US)
51AQI (US)
37AQI (US)
33AQI (US)
38AQI (US)
38AQI (US)
41AQI (US)
25AQI (US)
38AQI (US)
54AQI (US)
57AQI (US)
53AQI (US)
57AQI (US)
43AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
29AQI (US)
61AQI (US)
57AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
37AQI (US)
48AQI (US)
47AQI (US)
50AQI (US)
48AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
42AQI (US)
40AQI (US)
41AQI (US)
28AQI (US)
32AQI (US)
25AQI (US)
30AQI (US)
34AQI (US)
26AQI (US)
29AQI (US)
21AQI (US)
26AQI (US)
31AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
20AQI (US)
33AQI (US)
35AQI (US)
36AQI (US)
44AQI (US)
42AQI (US)
36AQI (US)
32AQI (US)
32AQI (US)
39AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
30AQI (US)
36AQI (US)
42AQI (US)
33AQI (US)
39AQI (US)
27AQI (US)
40AQI (US)
38AQI (US)
33AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
May54AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202141AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mihara's annual 2026 AQI (US) (35) shows an average percentage change of -13.7% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (41), 2022 (41), 2023 (42), 2024 (38), 2025 (39).