Hwacheongun, Chuncheon, Gangwon, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Hwacheongun, Chuncheon, Gangwon, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Hwacheongun, Chuncheon, Gangwon, South Korea
6 AM22nd Sep 2025
6 PM
5 AM23rd Sep 2025
31AQI
21AQI
29AQI
24AQI
In the last 24 hours,
Hwacheongun's AQI reached its highest point of 31 at 11 AM during the Day, while the lowest point, 21, was recorded at 2 PM during the Day between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hwacheongun, Chuncheon, Gangwon, South Korea
26°C21/31°C
24°C21/30°C
23°C20/29°C
23°C18/29°C
23°C19/28°C
24°C21/29°C
24°C21/27°C
23°C20/28°C
22°C20/25°C
22°C19/28°C
23°C17/30°C
20°C18/23°C
22°C16/29°C
23°C19/28°C
23°C17/27°C
21°C16/27°C
20°C16/24°C
19°C12/28°C
20°C13/28°C
19°C15/25°C
18°C16/20°C
19°C14/25°C
21°C15/28°C
20°C16/24°C
18°C17/19°C
16°C13/20°C
15°C12/19°C
15°C13/17°C
16°C12/22°C
15°C10/21°C
--°C/°C
44AQI
36AQI
44AQI
37AQI
2025 Days Vs Air Quality
Hwacheongun, Chuncheon, Gangwon, South Korea
44%
117
54%
143
2%
5
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 266 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Hwacheongun, Chuncheon, Gangwon, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
65AQI
52AQI
57AQI
55AQI
67AQI
84AQI
61AQI
64AQI
46AQI
66AQI
67AQI
83AQI
93AQI
94AQI
64AQI
70AQI
78AQI
79AQI
86AQI
107AQI
131AQI
122AQI
109AQI
83AQI
66AQI
60AQI
60AQI
67AQI
60AQI
54AQI
62AQI
70AQI
64AQI
54AQI
50AQI
47AQI
54AQI
53AQI
53AQI
55AQI
58AQI
66AQI
70AQI
49AQI
72AQI
55AQI
99AQI
55AQI
59AQI
50AQI
52AQI
51AQI
56AQI
57AQI
56AQI
57AQI
73AQI
55AQI
75AQI
98AQI
74AQI
57AQI
49AQI
42AQI
46AQI
62AQI
64AQI
69AQI
79AQI
78AQI
76AQI
68AQI
60AQI
42AQI
54AQI
54AQI
49AQI
65AQI
72AQI
88AQI
86AQI
93AQI
96AQI
121AQI
77AQI
86AQI
60AQI
51AQI
54AQI
52AQI
62AQI
70AQI
57AQI
65AQI
58AQI
54AQI
61AQI
63AQI
63AQI
57AQI
61AQI
53AQI
45AQI
43AQI
43AQI
61AQI
61AQI
63AQI
49AQI
36AQI
47AQI
35AQI
31AQI
46AQI
64AQI
56AQI
54AQI
55AQI
61AQI
59AQI
48AQI
43AQI
40AQI
43AQI
38AQI
34AQI
47AQI
54AQI
52AQI
36AQI
55AQI
57AQI
66AQI
65AQI
58AQI
53AQI
35AQI
54AQI
55AQI
48AQI
40AQI
52AQI
56AQI
44AQI
47AQI
53AQI
58AQI
63AQI
60AQI
47AQI
47AQI
54AQI
65AQI
57AQI
42AQI
47AQI
52AQI
62AQI
52AQI
59AQI
52AQI
51AQI
50AQI
58AQI
52AQI
52AQI
54AQI
60AQI
62AQI
61AQI
50AQI
51AQI
48AQI
51AQI
49AQI
46AQI
48AQI
52AQI
52AQI
51AQI
48AQI
46AQI
43AQI
46AQI
50AQI
51AQI
52AQI
55AQI
56AQI
52AQI
52AQI
49AQI
47AQI
52AQI
44AQI
43AQI
47AQI
40AQI
41AQI
37AQI
39AQI
38AQI
35AQI
33AQI
37AQI
42AQI
43AQI
41AQI
40AQI
44AQI
46AQI
47AQI
56AQI
60AQI
58AQI
49AQI
49AQI
42AQI
43AQI
46AQI
45AQI
44AQI
50AQI
45AQI
39AQI
41AQI
42AQI
40AQI
42AQI
50AQI
47AQI
48AQI
47AQI
46AQI
48AQI
48AQI
48AQI
44AQI
44AQI
46AQI
43AQI
43AQI
43AQI
42AQI
47AQI
50AQI
40AQI
33AQI
37AQI
40AQI
45AQI
50AQI
45AQI
48AQI
49AQI
43AQI
43AQI
41AQI
45AQI
34AQI
29AQI
31AQI
27AQI
25AQI
28AQI
75AQI
59AQI
68AQI
54AQI
50AQI
53AQI
45AQI
46AQI
40AQI
No. of days
202555AQI
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
September40AQI
202448AQI
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
September27AQI
202356AQI
Highest AQI recorded in
February85AQI
Lowest AQI recorded in
August31AQI
202258AQI
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
August17AQI
202156AQI
Highest AQI recorded in
February79AQI
Lowest AQI recorded in
September30AQI
202051AQI
Highest AQI recorded in
December73AQI
Lowest AQI recorded in
August31AQI
Most & Least Polluted Years Over the Last 6 Years
Hwacheongun's annual 2025 AQI (55) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (51), 2021 (56), 2022 (58), 2023 (56), 2024 (48).