Gangneung, Gangwon, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Gangneung, Gangwon, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Gangneung, Gangwon, South Korea
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
AQI
AQI
55AQI
43AQI
In the last 24 hours,
Gangneung's AQI reached its highest point of 55 at 12 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gangneung, Gangwon, South Korea
22°C18/27°C
26°C21/32°C
24°C21/27°C
24°C20/29°C
23°C21/25°C
22°C18/25°C
22°C19/25°C
23°C21/25°C
20°C18/22°C
22°C17/26°C
24°C20/28°C
24°C19/28°C
22°C19/23°C
19°C17/21°C
19°C16/21°C
17°C14/20°C
17°C14/20°C
17°C14/21°C
18°C15/22°C
21°C15/27°C
22°C19/25°C
20°C16/24°C
19°C16/23°C
18°C16/19°C
18°C16/21°C
19°C16/22°C
20°C16/24°C
19°C16/23°C
19°C17/21°C
--°C/°C
--°C/°C
41AQI
37AQI
41AQI
40AQI
2025 Days Vs Air Quality
Gangneung, Gangwon, South Korea
41%
114
58%
159
1%
3
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 277 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Gangneung, Gangwon, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
49AQI
47AQI
47AQI
60AQI
72AQI
48AQI
53AQI
39AQI
43AQI
46AQI
50AQI
69AQI
76AQI
50AQI
56AQI
57AQI
57AQI
56AQI
103AQI
109AQI
106AQI
84AQI
74AQI
55AQI
45AQI
53AQI
55AQI
52AQI
51AQI
64AQI
61AQI
48AQI
50AQI
40AQI
39AQI
38AQI
47AQI
41AQI
45AQI
46AQI
60AQI
55AQI
44AQI
60AQI
53AQI
85AQI
47AQI
50AQI
47AQI
50AQI
50AQI
55AQI
54AQI
55AQI
55AQI
72AQI
61AQI
70AQI
75AQI
72AQI
51AQI
46AQI
39AQI
40AQI
51AQI
62AQI
69AQI
68AQI
76AQI
77AQI
60AQI
57AQI
50AQI
49AQI
53AQI
53AQI
70AQI
65AQI
74AQI
70AQI
71AQI
84AQI
85AQI
76AQI
68AQI
61AQI
51AQI
48AQI
55AQI
58AQI
51AQI
47AQI
58AQI
63AQI
56AQI
62AQI
74AQI
73AQI
70AQI
67AQI
66AQI
55AQI
55AQI
43AQI
60AQI
61AQI
68AQI
58AQI
58AQI
54AQI
49AQI
40AQI
56AQI
67AQI
56AQI
54AQI
63AQI
57AQI
66AQI
51AQI
54AQI
44AQI
50AQI
48AQI
42AQI
51AQI
55AQI
55AQI
38AQI
51AQI
57AQI
68AQI
67AQI
62AQI
57AQI
47AQI
54AQI
58AQI
64AQI
64AQI
62AQI
64AQI
45AQI
49AQI
57AQI
59AQI
61AQI
61AQI
48AQI
50AQI
57AQI
70AQI
60AQI
52AQI
47AQI
57AQI
65AQI
67AQI
69AQI
63AQI
51AQI
54AQI
61AQI
58AQI
58AQI
51AQI
61AQI
63AQI
62AQI
55AQI
51AQI
48AQI
51AQI
50AQI
46AQI
45AQI
50AQI
54AQI
54AQI
49AQI
46AQI
44AQI
46AQI
52AQI
53AQI
54AQI
60AQI
57AQI
56AQI
54AQI
49AQI
48AQI
53AQI
45AQI
43AQI
49AQI
44AQI
46AQI
40AQI
41AQI
44AQI
39AQI
41AQI
47AQI
49AQI
49AQI
45AQI
47AQI
55AQI
54AQI
53AQI
55AQI
59AQI
62AQI
54AQI
53AQI
48AQI
47AQI
50AQI
51AQI
48AQI
54AQI
51AQI
46AQI
46AQI
46AQI
43AQI
43AQI
51AQI
51AQI
50AQI
52AQI
54AQI
52AQI
54AQI
52AQI
48AQI
50AQI
51AQI
49AQI
49AQI
51AQI
45AQI
49AQI
49AQI
40AQI
35AQI
41AQI
43AQI
47AQI
52AQI
48AQI
51AQI
51AQI
42AQI
42AQI
46AQI
46AQI
37AQI
30AQI
31AQI
27AQI
25AQI
26AQI
26AQI
28AQI
30AQI
39AQI
30AQI
25AQI
40AQI
35AQI
43AQI
59AQI
56AQI
61AQI
53AQI
62AQI
59AQI
55AQI
56AQI
48AQI
51AQI
39AQI
53AQI
No. of days
202554AQI
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
September39AQI
202449AQI
Highest AQI recorded in
April71AQI
Lowest AQI recorded in
September32AQI
202352AQI
Highest AQI recorded in
April75AQI
Lowest AQI recorded in
September36AQI
202254AQI
Highest AQI recorded in
March66AQI
Lowest AQI recorded in
August22AQI
202147AQI
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
September28AQI
202049AQI
Highest AQI recorded in
June63AQI
Lowest AQI recorded in
July36AQI
Most & Least Polluted Years Over the Last 6 Years
Gangneung's annual 2025 AQI (54) shows an average percentage change of 7.1% (worsened AQI) compared to previous years: 2020 (49), 2021 (47), 2022 (54), 2023 (52), 2024 (49).