Gozensuicha, Muroran, Hokkaido, 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
Gozensuicha, Muroran, Hokkaido, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 30 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Gozensuicha, Muroran, Hokkaido, Japan
4 AM9th Aug 2025
7 PM
3 AM10th Aug 2025
36AQI
15AQI
33AQI
25AQI
In the last 24 hours,
Gozensuicha's AQI reached its highest point of 36 at 4 AM during the Day, while the lowest point, 15, was recorded at 11 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Gozensuicha, Muroran, Hokkaido, Japan
15°C15/16°C
16°C14/18°C
18°C15/21°C
19°C17/21°C
21°C20/22°C
20°C19/23°C
21°C19/23°C
22°C21/25°C
22°C20/25°C
23°C20/25°C
23°C20/26°C
23°C20/26°C
23°C21/26°C
23°C20/27°C
23°C20/27°C
21°C20/23°C
22°C21/24°C
21°C20/24°C
22°C21/24°C
22°C20/23°C
21°C20/23°C
21°C19/23°C
21°C20/24°C
23°C21/27°C
22°C21/22°C
22°C21/25°C
21°C20/23°C
22°C20/24°C
21°C19/22°C
20°C18/23°C
--°C/°C
42AQI
34AQI
42AQI
37AQI
2025 Days Vs Air Quality
Gozensuicha, Muroran, Hokkaido, Japan
99%
218
1%
3
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 222 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
Gozensuicha, Muroran, Hokkaido, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
28AQI
28AQI
28AQI
27AQI
27AQI
40AQI
36AQI
36AQI
34AQI
29AQI
29AQI
30AQI
36AQI
32AQI
27AQI
27AQI
26AQI
24AQI
38AQI
35AQI
36AQI
34AQI
34AQI
33AQI
30AQI
28AQI
27AQI
27AQI
27AQI
26AQI
24AQI
26AQI
28AQI
27AQI
29AQI
28AQI
27AQI
29AQI
28AQI
28AQI
29AQI
34AQI
42AQI
31AQI
43AQI
32AQI
48AQI
28AQI
32AQI
26AQI
26AQI
27AQI
27AQI
28AQI
32AQI
36AQI
35AQI
49AQI
43AQI
41AQI
35AQI
32AQI
31AQI
29AQI
31AQI
31AQI
33AQI
36AQI
37AQI
52AQI
42AQI
32AQI
26AQI
21AQI
21AQI
20AQI
22AQI
45AQI
46AQI
44AQI
32AQI
34AQI
48AQI
36AQI
34AQI
32AQI
26AQI
27AQI
28AQI
32AQI
26AQI
29AQI
23AQI
31AQI
33AQI
24AQI
28AQI
29AQI
45AQI
45AQI
45AQI
37AQI
27AQI
31AQI
20AQI
28AQI
24AQI
30AQI
23AQI
21AQI
18AQI
20AQI
22AQI
18AQI
38AQI
20AQI
25AQI
18AQI
21AQI
20AQI
34AQI
36AQI
36AQI
30AQI
29AQI
29AQI
33AQI
36AQI
27AQI
30AQI
30AQI
33AQI
49AQI
39AQI
54AQI
32AQI
35AQI
47AQI
48AQI
46AQI
42AQI
36AQI
37AQI
26AQI
26AQI
30AQI
37AQI
41AQI
39AQI
39AQI
34AQI
38AQI
38AQI
30AQI
26AQI
34AQI
44AQI
42AQI
45AQI
53AQI
40AQI
37AQI
37AQI
42AQI
32AQI
38AQI
34AQI
42AQI
47AQI
43AQI
37AQI
42AQI
37AQI
38AQI
41AQI
43AQI
36AQI
36AQI
38AQI
43AQI
45AQI
43AQI
47AQI
48AQI
44AQI
49AQI
48AQI
47AQI
48AQI
43AQI
42AQI
41AQI
45AQI
40AQI
42AQI
39AQI
43AQI
41AQI
38AQI
35AQI
43AQI
44AQI
39AQI
36AQI
39AQI
42AQI
43AQI
42AQI
45AQI
38AQI
38AQI
39AQI
33AQI
36AQI
35AQI
37AQI
33AQI
31AQI
28AQI
30AQI
30AQI
31AQI
34AQI
28AQI
36AQI
39AQI
42AQI
34AQI
No. of days
202534AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
April28AQI
202435AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
December26AQI
202341AQI
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
December29AQI
202237AQI
Highest AQI recorded in
September39AQI
Lowest AQI recorded in
August31AQI
202029AQI
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 5 Years
Gozensuicha's annual 2025 AQI (34) shows an average percentage change of -1.5% (improved AQI) compared to previous years: 2020 (29), 2022 (37), 2023 (41), 2024 (35).