Hanamaki Onsen, Iwate, 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
Hanamaki Onsen, Iwate, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Hanamaki Onsen, Iwate, Japan
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
51AQI
35AQI
50AQI
38AQI
In the last 24 hours,
Hanamaki Onsen's AQI reached its highest point of 51 at 4 PM during the Day, while the lowest point, 35, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hanamaki Onsen, Iwate, Japan
23°C17/29°C
26°C21/31°C
26°C19/32°C
26°C19/32°C
21°C16/27°C
17°C11/23°C
17°C11/23°C
20°C12/28°C
22°C17/26°C
23°C20/25°C
23°C20/29°C
22°C19/26°C
24°C18/31°C
24°C18/31°C
25°C18/33°C
26°C18/33°C
25°C19/31°C
25°C19/31°C
25°C19/31°C
25°C18/32°C
23°C18/28°C
25°C19/30°C
25°C19/31°C
25°C19/33°C
24°C17/32°C
23°C17/31°C
23°C16/30°C
25°C20/32°C
26°C20/33°C
25°C20/32°C
--°C/°C
45AQI
39AQI
46AQI
39AQI
2025 Days Vs Air Quality
Hanamaki Onsen, Iwate, Japan
93%
200
7%
16
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 217 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
Hanamaki Onsen, Iwate, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
26AQI
26AQI
26AQI
39AQI
30AQI
30AQI
23AQI
24AQI
25AQI
26AQI
24AQI
29AQI
26AQI
25AQI
24AQI
27AQI
36AQI
42AQI
48AQI
42AQI
48AQI
39AQI
36AQI
31AQI
29AQI
30AQI
28AQI
29AQI
29AQI
28AQI
28AQI
28AQI
29AQI
29AQI
30AQI
30AQI
32AQI
29AQI
29AQI
31AQI
31AQI
31AQI
31AQI
30AQI
35AQI
48AQI
30AQI
35AQI
29AQI
29AQI
29AQI
30AQI
29AQI
33AQI
36AQI
35AQI
52AQI
49AQI
59AQI
39AQI
40AQI
32AQI
33AQI
32AQI
33AQI
33AQI
36AQI
41AQI
42AQI
48AQI
37AQI
34AQI
26AQI
19AQI
24AQI
22AQI
32AQI
44AQI
51AQI
31AQI
36AQI
56AQI
47AQI
60AQI
46AQI
34AQI
32AQI
30AQI
29AQI
20AQI
20AQI
18AQI
24AQI
29AQI
24AQI
32AQI
25AQI
36AQI
36AQI
31AQI
25AQI
20AQI
21AQI
22AQI
37AQI
43AQI
45AQI
47AQI
37AQI
38AQI
31AQI
24AQI
24AQI
49AQI
43AQI
47AQI
27AQI
26AQI
22AQI
21AQI
30AQI
28AQI
28AQI
30AQI
22AQI
32AQI
34AQI
24AQI
25AQI
32AQI
30AQI
41AQI
43AQI
49AQI
37AQI
42AQI
42AQI
51AQI
48AQI
38AQI
39AQI
34AQI
25AQI
24AQI
28AQI
31AQI
35AQI
37AQI
26AQI
23AQI
32AQI
38AQI
30AQI
35AQI
37AQI
51AQI
53AQI
57AQI
44AQI
44AQI
34AQI
36AQI
38AQI
26AQI
25AQI
29AQI
38AQI
44AQI
39AQI
37AQI
36AQI
30AQI
31AQI
34AQI
29AQI
30AQI
30AQI
34AQI
42AQI
44AQI
44AQI
52AQI
56AQI
51AQI
52AQI
53AQI
54AQI
57AQI
47AQI
42AQI
40AQI
45AQI
37AQI
38AQI
45AQI
42AQI
48AQI
47AQI
41AQI
38AQI
37AQI
38AQI
33AQI
36AQI
38AQI
38AQI
35AQI
39AQI
37AQI
37AQI
37AQI
39AQI
40AQI
39AQI
31AQI
32AQI
38AQI
31AQI
33AQI
36AQI
43AQI
39AQI
No. of days
202535AQI
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
January31AQI
202434AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December26AQI
202336AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
September28AQI
202234AQI
Highest AQI recorded in
May41AQI
Lowest AQI recorded in
August25AQI
202132AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
April27AQI
202029AQI
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
July20AQI
Most & Least Polluted Years Over the Last 6 Years
Hanamaki Onsen's annual 2025 AQI (35) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2020 (29), 2021 (32), 2022 (34), 2023 (36), 2024 (34).