Ueda, Morioka, Iwate, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Ueda, Morioka, Iwate, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (16th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Oct - 17th Oct 2025
Ueda, Morioka, Iwate, Japan
5 AM16th Oct 2025
5 PM
4 AM17th Oct 2025
58AQI
55AQI
55AQI
25AQI
In the last 24 hours,
Ueda's AQI reached its highest point of 58 at 5 AM during the Day, while the lowest point, 25, was recorded at 9 PM during the Night between 16th Oct and 17th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ueda, Morioka, Iwate, Japan
20°C16/27°C
18°C14/22°C
16°C10/23°C
15°C13/16°C
17°C10/22°C
15°C8/22°C
15°C10/21°C
15°C11/21°C
16°C12/18°C
17°C12/24°C
16°C10/23°C
16°C9/23°C
16°C11/20°C
16°C9/23°C
16°C14/18°C
15°C10/21°C
16°C10/24°C
16°C11/23°C
19°C16/24°C
16°C13/18°C
14°C12/18°C
15°C10/19°C
12°C8/18°C
12°C7/17°C
11°C7/14°C
12°C10/13°C
14°C8/20°C
13°C8/18°C
13°C7/21°C
12°C9/13°C
--°C/°C
38AQI
32AQI
40AQI
40AQI
2025 Days Vs Air Quality
Ueda, Morioka, Iwate, Japan
88%
254
12%
35
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 290 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
Ueda, Morioka, Iwate, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
27AQI
26AQI
27AQI
35AQI
31AQI
31AQI
26AQI
26AQI
27AQI
29AQI
27AQI
34AQI
30AQI
28AQI
26AQI
29AQI
36AQI
45AQI
54AQI
47AQI
51AQI
48AQI
43AQI
35AQI
36AQI
36AQI
29AQI
30AQI
29AQI
29AQI
32AQI
37AQI
30AQI
31AQI
29AQI
37AQI
37AQI
31AQI
31AQI
31AQI
39AQI
33AQI
34AQI
30AQI
42AQI
52AQI
33AQI
36AQI
28AQI
29AQI
29AQI
29AQI
30AQI
34AQI
41AQI
39AQI
55AQI
56AQI
63AQI
40AQI
41AQI
32AQI
32AQI
31AQI
33AQI
34AQI
38AQI
45AQI
48AQI
54AQI
47AQI
37AQI
33AQI
22AQI
26AQI
28AQI
39AQI
51AQI
55AQI
35AQI
40AQI
60AQI
51AQI
62AQI
49AQI
39AQI
37AQI
34AQI
33AQI
23AQI
22AQI
19AQI
28AQI
32AQI
28AQI
34AQI
30AQI
41AQI
42AQI
35AQI
29AQI
23AQI
24AQI
27AQI
42AQI
45AQI
48AQI
45AQI
41AQI
45AQI
38AQI
30AQI
28AQI
54AQI
48AQI
55AQI
31AQI
27AQI
27AQI
25AQI
35AQI
33AQI
34AQI
36AQI
25AQI
39AQI
42AQI
27AQI
27AQI
33AQI
35AQI
44AQI
47AQI
52AQI
41AQI
43AQI
46AQI
50AQI
50AQI
41AQI
41AQI
39AQI
26AQI
28AQI
30AQI
33AQI
40AQI
41AQI
29AQI
27AQI
35AQI
43AQI
33AQI
38AQI
38AQI
51AQI
52AQI
58AQI
52AQI
48AQI
41AQI
40AQI
44AQI
30AQI
28AQI
30AQI
34AQI
39AQI
38AQI
38AQI
48AQI
41AQI
39AQI
42AQI
35AQI
35AQI
34AQI
36AQI
42AQI
44AQI
46AQI
53AQI
56AQI
53AQI
54AQI
54AQI
54AQI
57AQI
52AQI
48AQI
47AQI
49AQI
44AQI
44AQI
46AQI
45AQI
48AQI
51AQI
43AQI
40AQI
39AQI
39AQI
37AQI
42AQI
43AQI
42AQI
39AQI
42AQI
41AQI
42AQI
39AQI
39AQI
41AQI
44AQI
41AQI
45AQI
33AQI
29AQI
29AQI
36AQI
32AQI
31AQI
32AQI
36AQI
42AQI
40AQI
36AQI
38AQI
41AQI
45AQI
45AQI
46AQI
48AQI
48AQI
44AQI
49AQI
38AQI
36AQI
41AQI
44AQI
44AQI
44AQI
37AQI
36AQI
35AQI
30AQI
31AQI
30AQI
34AQI
41AQI
37AQI
37AQI
41AQI
37AQI
42AQI
39AQI
41AQI
38AQI
28AQI
28AQI
27AQI
25AQI
24AQI
24AQI
24AQI
30AQI
36AQI
29AQI
31AQI
32AQI
25AQI
34AQI
41AQI
52AQI
55AQI
60AQI
52AQI
40AQI
42AQI
43AQI
40AQI
46AQI
46AQI
37AQI
51AQI
51AQI
56AQI
33AQI
35AQI
42AQI
35AQI
37AQI
40AQI
46AQI
40AQI
33AQI
47AQI
No. of days
202538AQI
Highest AQI recorded in
October47AQI
Lowest AQI recorded in
September33AQI
202439AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
December27AQI
202343AQI
Highest AQI recorded in
April57AQI
Lowest AQI recorded in
September34AQI
202239AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August26AQI
202135AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
August29AQI
202032AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Ueda's annual 2025 AQI (38) shows an average percentage change of 2.8% (worsened AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (39), 2023 (43), 2024 (39).