Tsuruta, Aomori, 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
Tsuruta, Aomori, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Tsuruta, Aomori, Japan
5 AM18th Sep 2025
6 PM
4 AM19th Sep 2025
AQI
AQI
40AQI
21AQI
In the last 24 hours,
Tsuruta's AQI reached its highest point of 40 at 8 PM during the Night, while the lowest point, 21, was recorded at 12 PM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Tsuruta, Aomori, Japan
24°C22/27°C
23°C18/28°C
23°C17/29°C
26°C22/31°C
24°C19/29°C
24°C19/30°C
27°C22/33°C
24°C19/27°C
22°C18/26°C
21°C18/25°C
24°C21/28°C
23°C19/28°C
23°C20/26°C
26°C22/29°C
23°C18/26°C
22°C17/28°C
22°C19/27°C
22°C18/27°C
22°C19/25°C
22°C17/27°C
21°C17/25°C
21°C18/26°C
21°C17/26°C
21°C15/28°C
21°C17/25°C
21°C16/25°C
21°C15/27°C
22°C18/27°C
22°C16/27°C
--°C/°C
--°C/°C
39AQI
33AQI
39AQI
37AQI
2025 Days Vs Air Quality
Tsuruta, Aomori, Japan
95%
246
5%
14
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 261 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
Tsuruta, Aomori, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
26AQI
26AQI
27AQI
26AQI
27AQI
28AQI
28AQI
26AQI
25AQI
25AQI
26AQI
27AQI
29AQI
26AQI
26AQI
25AQI
26AQI
26AQI
35AQI
38AQI
37AQI
40AQI
39AQI
38AQI
34AQI
34AQI
32AQI
34AQI
31AQI
32AQI
29AQI
29AQI
29AQI
29AQI
30AQI
29AQI
29AQI
29AQI
30AQI
29AQI
31AQI
29AQI
32AQI
30AQI
30AQI
33AQI
36AQI
30AQI
31AQI
28AQI
28AQI
28AQI
29AQI
27AQI
31AQI
31AQI
32AQI
42AQI
43AQI
43AQI
38AQI
37AQI
30AQI
30AQI
31AQI
31AQI
33AQI
35AQI
38AQI
43AQI
47AQI
44AQI
40AQI
31AQI
25AQI
24AQI
23AQI
33AQI
39AQI
42AQI
41AQI
44AQI
50AQI
49AQI
52AQI
48AQI
43AQI
39AQI
36AQI
37AQI
30AQI
27AQI
25AQI
28AQI
31AQI
29AQI
30AQI
29AQI
40AQI
41AQI
42AQI
31AQI
26AQI
28AQI
26AQI
35AQI
37AQI
41AQI
32AQI
39AQI
35AQI
34AQI
26AQI
25AQI
44AQI
42AQI
46AQI
29AQI
30AQI
27AQI
27AQI
31AQI
31AQI
33AQI
32AQI
28AQI
33AQI
37AQI
32AQI
33AQI
33AQI
37AQI
44AQI
46AQI
53AQI
46AQI
39AQI
45AQI
47AQI
46AQI
44AQI
37AQI
40AQI
22AQI
29AQI
29AQI
33AQI
34AQI
35AQI
33AQI
33AQI
36AQI
34AQI
33AQI
32AQI
34AQI
42AQI
47AQI
50AQI
55AQI
51AQI
43AQI
43AQI
44AQI
37AQI
33AQI
35AQI
36AQI
39AQI
40AQI
44AQI
52AQI
49AQI
50AQI
52AQI
49AQI
48AQI
46AQI
45AQI
47AQI
49AQI
50AQI
53AQI
55AQI
53AQI
54AQI
56AQI
55AQI
55AQI
52AQI
49AQI
49AQI
50AQI
48AQI
46AQI
47AQI
46AQI
43AQI
43AQI
44AQI
42AQI
42AQI
41AQI
39AQI
40AQI
42AQI
41AQI
39AQI
40AQI
41AQI
40AQI
37AQI
36AQI
38AQI
42AQI
43AQI
42AQI
36AQI
35AQI
33AQI
34AQI
35AQI
33AQI
32AQI
35AQI
34AQI
34AQI
35AQI
35AQI
39AQI
43AQI
45AQI
43AQI
48AQI
44AQI
40AQI
46AQI
41AQI
34AQI
39AQI
45AQI
40AQI
46AQI
37AQI
34AQI
33AQI
29AQI
32AQI
30AQI
33AQI
37AQI
34AQI
35AQI
34AQI
31AQI
33AQI
32AQI
36AQI
37AQI
30AQI
30AQI
38AQI
33AQI
36AQI
43AQI
47AQI
39AQI
34AQI
No. of days
202537AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January30AQI
202430AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August22AQI
202331AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
December22AQI
202231AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August8AQI
202135AQI
Highest AQI recorded in
February38AQI
Lowest AQI recorded in
January32AQI
202031AQI
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Tsuruta's annual 2025 AQI (37) shows an average percentage change of 16.7% (worsened AQI) compared to previous years: 2020 (31), 2021 (35), 2022 (31), 2023 (31), 2024 (30).