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!
March Air Quality Analysis
Wonju, Gangwon, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (12th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 78 of Moderate air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Mar - 12th Mar 2026
Wonju, Gangwon, South Korea
7 AM11th Mar 2026
6 PM
6 AM12th Mar 2026
119AQI
72AQI
93AQI
71AQI
In the last 24 hours,
Wonju's AQI reached its highest point of 119 at 12 PM during the Day, while the lowest point, 71, was recorded at 7 PM during the Night between 11th Mar and 12th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Wonju, Gangwon, South Korea
-1°C-4/3°C
-1°C-6/6°C
1°C-3/9°C
4°C-1/10°C
3°C-2/9°C
0°C-3/6°C
-1°C-5/5°C
-1°C-5/6°C
-1°C-6/6°C
2°C-4/10°C
6°C0/14°C
5°C0/10°C
0°C-4/5°C
1°C-2/6°C
2°C-5/11°C
4°C-2/12°C
6°C1/11°C
5°C-1/14°C
6°C1/11°C
4°C3/5°C
4°C0/8°C
3°C-2/9°C
5°C-1/11°C
2°C-3/3°C
-1°C-4/4°C
0°C-5/6°C
0°C-4/6°C
1°C-4/7°C
3°C-3/9°C
4°C-1/10°C
84AQI
65AQI
76AQI
68AQI
2026 Days Vs Air Quality
Wonju, Gangwon, South Korea
31%
22
54%
38
14%
10
1%
1
Total number of days with different AQI categories in last 72 days in 2026 (293 days remaining)
Under WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2026, 31% of 72 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Wonju, Gangwon, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
44AQI (US)
70AQI (US)
89AQI (US)
74AQI (US)
61AQI (US)
69AQI (US)
36AQI (US)
63AQI (US)
70AQI (US)
36AQI (US)
43AQI (US)
48AQI (US)
37AQI (US)
84AQI (US)
138AQI (US)
114AQI (US)
97AQI (US)
79AQI (US)
40AQI (US)
51AQI (US)
33AQI (US)
62AQI (US)
62AQI (US)
35AQI (US)
59AQI (US)
78AQI (US)
47AQI (US)
51AQI (US)
56AQI (US)
71AQI (US)
68AQI (US)
69AQI (US)
72AQI (US)
113AQI (US)
145AQI (US)
74AQI (US)
47AQI (US)
40AQI (US)
52AQI (US)
82AQI (US)
124AQI (US)
134AQI (US)
145AQI (US)
152AQI (US)
125AQI (US)
59AQI (US)
60AQI (US)
61AQI (US)
51AQI (US)
93AQI (US)
112AQI (US)
74AQI (US)
30AQI (US)
43AQI (US)
50AQI (US)
41AQI (US)
27AQI (US)
43AQI (US)
45AQI (US)
25AQI (US)
33AQI (US)
77AQI (US)
67AQI (US)
67AQI (US)
71AQI (US)
63AQI (US)
89AQI (US)
118AQI (US)
97AQI (US)
78AQI (US)
62AQI (US)
78AQI (US)
69AQI (US)
No. of days
202670AQI (US)
Highest AQI (US) recorded in
February78AQI (US)
Lowest AQI (US) recorded in
January62AQI (US)
202562AQI (US)
Highest AQI (US) recorded in
January83AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
202460AQI (US)
Highest AQI (US) recorded in
January81AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202364AQI (US)
Highest AQI (US) recorded in
February90AQI (US)
Lowest AQI (US) recorded in
September42AQI (US)
202265AQI (US)
Highest AQI (US) recorded in
January88AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202162AQI (US)
Highest AQI (US) recorded in
February80AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202059AQI (US)
Highest AQI (US) recorded in
December86AQI (US)
Lowest AQI (US) recorded in
July39AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Wonju's annual 2026 AQI (US) (70) shows an average percentage change of 12.4% (worsened AQI (US)) compared to previous years: 2020 (59), 2021 (62), 2022 (65), 2023 (64), 2024 (60), 2025 (62).