Wonju, Gangwon, South Korea 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
Wonju, Gangwon, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 62 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Wonju, Gangwon, South Korea
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
59AQI
37AQI
57AQI
54AQI
In the last 24 hours,
Wonju's AQI reached its highest point of 59 at 7 AM during the Day, while the lowest point, 37, was recorded at 10 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wonju, Gangwon, South Korea
24°C18/31°C
26°C20/35°C
26°C20/35°C
26°C19/34°C
24°C18/34°C
23°C15/33°C
24°C14/34°C
22°C18/28°C
19°C16/24°C
19°C16/23°C
19°C16/22°C
20°C18/23°C
21°C18/29°C
22°C19/26°C
24°C19/30°C
24°C20/29°C
24°C19/29°C
25°C19/31°C
26°C19/34°C
27°C20/36°C
27°C20/36°C
28°C21/36°C
27°C21/35°C
28°C21/36°C
27°C21/35°C
27°C20/34°C
27°C20/35°C
27°C21/33°C
24°C20/28°C
23°C18/30°C
--°C/°C
52AQI
48AQI
52AQI
52AQI
2025 Days Vs Air Quality
Wonju, Gangwon, South Korea
15%
33
79%
169
6%
13
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Wonju, Gangwon, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
75AQI
73AQI
62AQI
66AQI
76AQI
101AQI
64AQI
73AQI
47AQI
65AQI
65AQI
80AQI
95AQI
103AQI
63AQI
75AQI
84AQI
89AQI
86AQI
115AQI
137AQI
142AQI
130AQI
116AQI
77AQI
67AQI
72AQI
63AQI
67AQI
62AQI
82AQI
81AQI
80AQI
62AQI
55AQI
50AQI
56AQI
57AQI
58AQI
63AQI
68AQI
79AQI
84AQI
58AQI
92AQI
61AQI
116AQI
54AQI
68AQI
54AQI
60AQI
59AQI
61AQI
61AQI
64AQI
65AQI
86AQI
67AQI
88AQI
95AQI
77AQI
55AQI
48AQI
42AQI
53AQI
79AQI
76AQI
85AQI
91AQI
100AQI
99AQI
85AQI
76AQI
54AQI
65AQI
62AQI
55AQI
76AQI
85AQI
100AQI
102AQI
106AQI
111AQI
127AQI
89AQI
101AQI
87AQI
64AQI
62AQI
68AQI
73AQI
74AQI
74AQI
81AQI
65AQI
69AQI
71AQI
83AQI
74AQI
74AQI
72AQI
62AQI
60AQI
52AQI
55AQI
68AQI
67AQI
82AQI
61AQI
61AQI
54AQI
45AQI
34AQI
58AQI
71AQI
59AQI
51AQI
56AQI
65AQI
61AQI
53AQI
51AQI
51AQI
50AQI
52AQI
42AQI
54AQI
67AQI
53AQI
47AQI
65AQI
69AQI
72AQI
72AQI
66AQI
57AQI
44AQI
58AQI
61AQI
58AQI
54AQI
56AQI
63AQI
46AQI
48AQI
59AQI
67AQI
82AQI
69AQI
59AQI
57AQI
64AQI
85AQI
73AQI
55AQI
60AQI
60AQI
71AQI
65AQI
68AQI
65AQI
59AQI
60AQI
63AQI
47AQI
58AQI
59AQI
63AQI
69AQI
67AQI
53AQI
56AQI
62AQI
64AQI
57AQI
48AQI
53AQI
60AQI
61AQI
55AQI
49AQI
47AQI
46AQI
57AQI
56AQI
53AQI
58AQI
64AQI
66AQI
59AQI
52AQI
49AQI
48AQI
54AQI
45AQI
40AQI
50AQI
38AQI
41AQI
34AQI
38AQI
45AQI
40AQI
46AQI
50AQI
55AQI
47AQI
43AQI
50AQI
57AQI
54AQI
53AQI
57AQI
62AQI
62AQI
83AQI
68AQI
80AQI
64AQI
58AQI
61AQI
50AQI
60AQI
No. of days
202566AQI
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
July50AQI
202460AQI
Highest AQI recorded in
January81AQI
Lowest AQI recorded in
September40AQI
202364AQI
Highest AQI recorded in
February90AQI
Lowest AQI recorded in
September42AQI
202265AQI
Highest AQI recorded in
January88AQI
Lowest AQI recorded in
August22AQI
202162AQI
Highest AQI recorded in
February80AQI
Lowest AQI recorded in
September35AQI
202059AQI
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July39AQI
Most & Least Polluted Years Over the Last 6 Years
Wonju's annual 2025 AQI (66) shows an average percentage change of 6.7% (worsened AQI) compared to previous years: 2020 (59), 2021 (62), 2022 (65), 2023 (64), 2024 (60).