Hoengseonggun, 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
Hoengseonggun, 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 77 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
Hoengseonggun, Wonju, Gangwon, South Korea
7 AM11th Mar 2026
6 PM
6 AM12th Mar 2026
114AQI
79AQI
96AQI
70AQI
In the last 24 hours,
Hoengseonggun's AQI reached its highest point of 114 at 12 PM during the Day, while the lowest point, 70, was recorded at 8 PM during the Night between 11th Mar and 12th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Hoengseonggun, 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
62AQI
78AQI
65AQI
2026 Days Vs Air Quality
Hoengseonggun, Wonju, Gangwon, South Korea
31%
22
55%
39
13%
9
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
Hoengseonggun, Wonju, Gangwon, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
40AQI (US)
61AQI (US)
86AQI (US)
66AQI (US)
54AQI (US)
62AQI (US)
29AQI (US)
57AQI (US)
75AQI (US)
28AQI (US)
32AQI (US)
39AQI (US)
27AQI (US)
71AQI (US)
132AQI (US)
98AQI (US)
82AQI (US)
68AQI (US)
31AQI (US)
44AQI (US)
29AQI (US)
59AQI (US)
58AQI (US)
34AQI (US)
55AQI (US)
71AQI (US)
44AQI (US)
36AQI (US)
55AQI (US)
67AQI (US)
64AQI (US)
67AQI (US)
70AQI (US)
105AQI (US)
144AQI (US)
76AQI (US)
47AQI (US)
38AQI (US)
51AQI (US)
78AQI (US)
117AQI (US)
134AQI (US)
144AQI (US)
153AQI (US)
126AQI (US)
55AQI (US)
58AQI (US)
49AQI (US)
47AQI (US)
85AQI (US)
106AQI (US)
80AQI (US)
27AQI (US)
35AQI (US)
51AQI (US)
42AQI (US)
26AQI (US)
51AQI (US)
55AQI (US)
63AQI (US)
34AQI (US)
80AQI (US)
62AQI (US)
58AQI (US)
78AQI (US)
68AQI (US)
91AQI (US)
121AQI (US)
97AQI (US)
77AQI (US)
56AQI (US)
76AQI (US)
74AQI (US)
No. of days
202667AQI (US)
Highest AQI (US) recorded in
February76AQI (US)
Lowest AQI (US) recorded in
January56AQI (US)
202556AQI (US)
Highest AQI (US) recorded in
January79AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202452AQI (US)
Highest AQI (US) recorded in
January79AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202361AQI (US)
Highest AQI (US) recorded in
February88AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202261AQI (US)
Highest AQI (US) recorded in
January86AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202157AQI (US)
Highest AQI (US) recorded in
February77AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202056AQI (US)
Highest AQI (US) recorded in
December85AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hoengseonggun's annual 2026 AQI (US) (67) shows an average percentage change of 16.8% (worsened AQI (US)) compared to previous years: 2020 (56), 2021 (57), 2022 (61), 2023 (61), 2024 (52), 2025 (56).