Aomori, Aomori, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Aomori, Aomori, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (30th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 31st Aug - 1st Sep 2025
Aomori, Aomori, Japan
4 AM31st Aug 2025
6 PM
3 AM1st Sep 2025
AQI
AQI
52AQI
30AQI
In the last 24 hours,
Aomori's AQI reached its highest point of 52 at 11 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 31st Aug and 1st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Aomori, Aomori, Japan
25°C21/28°C
26°C22/30°C
25°C22/30°C
24°C21/28°C
23°C21/27°C
23°C20/25°C
22°C18/25°C
22°C18/27°C
22°C18/26°C
24°C20/27°C
22°C19/27°C
23°C18/28°C
23°C20/28°C
24°C19/28°C
23°C18/29°C
24°C19/30°C
23°C19/28°C
25°C19/29°C
24°C22/27°C
23°C18/28°C
23°C18/27°C
26°C21/31°C
24°C20/28°C
24°C20/28°C
26°C22/32°C
24°C20/27°C
22°C19/26°C
22°C20/25°C
24°C21/27°C
--°C/°C
--°C/°C
40AQI
35AQI
39AQI
38AQI
2025 Days Vs Air Quality
Aomori, Aomori, Japan
93%
225
7%
17
Total number of days with different AQI categories in last 243 days in 2025 (122 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 243 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Aomori, Aomori, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
25AQI
24AQI
24AQI
26AQI
27AQI
28AQI
26AQI
26AQI
23AQI
25AQI
26AQI
26AQI
33AQI
27AQI
25AQI
25AQI
25AQI
29AQI
42AQI
42AQI
40AQI
42AQI
37AQI
38AQI
33AQI
31AQI
29AQI
31AQI
28AQI
31AQI
26AQI
27AQI
27AQI
28AQI
29AQI
28AQI
27AQI
27AQI
26AQI
26AQI
28AQI
29AQI
33AQI
30AQI
32AQI
37AQI
41AQI
29AQI
32AQI
26AQI
26AQI
26AQI
26AQI
26AQI
30AQI
35AQI
34AQI
51AQI
52AQI
50AQI
38AQI
36AQI
29AQI
29AQI
30AQI
31AQI
31AQI
37AQI
42AQI
49AQI
52AQI
44AQI
36AQI
28AQI
22AQI
21AQI
21AQI
41AQI
44AQI
45AQI
36AQI
36AQI
54AQI
44AQI
48AQI
41AQI
34AQI
33AQI
33AQI
35AQI
27AQI
23AQI
23AQI
31AQI
34AQI
28AQI
29AQI
28AQI
44AQI
42AQI
43AQI
29AQI
25AQI
29AQI
28AQI
40AQI
44AQI
44AQI
34AQI
43AQI
35AQI
35AQI
27AQI
23AQI
49AQI
45AQI
45AQI
29AQI
28AQI
27AQI
30AQI
38AQI
31AQI
33AQI
31AQI
28AQI
38AQI
41AQI
34AQI
30AQI
34AQI
37AQI
49AQI
50AQI
56AQI
51AQI
38AQI
49AQI
46AQI
47AQI
41AQI
36AQI
41AQI
23AQI
30AQI
32AQI
37AQI
36AQI
40AQI
37AQI
33AQI
40AQI
39AQI
32AQI
31AQI
32AQI
46AQI
46AQI
52AQI
55AQI
45AQI
38AQI
38AQI
44AQI
38AQI
30AQI
36AQI
41AQI
44AQI
47AQI
51AQI
60AQI
46AQI
44AQI
47AQI
41AQI
35AQI
36AQI
37AQI
42AQI
46AQI
50AQI
54AQI
58AQI
51AQI
53AQI
56AQI
52AQI
54AQI
48AQI
43AQI
45AQI
48AQI
45AQI
42AQI
45AQI
47AQI
40AQI
40AQI
40AQI
36AQI
40AQI
37AQI
38AQI
38AQI
41AQI
41AQI
37AQI
40AQI
43AQI
41AQI
37AQI
36AQI
39AQI
42AQI
38AQI
38AQI
33AQI
31AQI
29AQI
35AQI
38AQI
32AQI
32AQI
38AQI
31AQI
33AQI
34AQI
35AQI
41AQI
40AQI
43AQI
41AQI
48AQI
42AQI
41AQI
48AQI
40AQI
32AQI
39AQI
43AQI
30AQI
30AQI
38AQI
34AQI
38AQI
42AQI
45AQI
38AQI
No. of days
202537AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
January30AQI
202436AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December26AQI
202340AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
January27AQI
202233AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
August21AQI
202134AQI
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
December24AQI
202042AQI
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
September31AQI
Most & Least Polluted Years Over the Last 6 Years
Aomori's annual 2025 AQI (37) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (42), 2021 (34), 2022 (33), 2023 (40), 2024 (36).