Air Quality
Excellent
No health implications.
24
PM2.5
27
PM10
78
O3
0.4
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Sep
75
Good
Sun
6 Sep
69
Good
Mon
7 Sep
59
Good
Tue
8 Sep
46
Excellent
Wed
9 Sep
37
Excellent
Thu
10 Sep
57
Good
Fri
11 Sep
28
Excellent
Air quality in the last 12 months (Wonju)
|
2026/08
|
39
|
32
|
30
|
30
|
28
|
27
|
25
|
28
|
30
|
35
|
33
|
35
|
35
|
31
|
31
|
34
|
37
|
34
|
33
|
27
|
30
|
27
|
34
|
28
|
28
|
54
|
28
|
31
|
35
|
34
|
35
|
|
2026/07
|
45
|
40
|
34
|
35
|
37
|
40
|
42
|
37
|
38
|
50
|
30
|
28
|
27
|
36
|
32
|
29
|
38
|
120
|
40
|
51
|
37
|
36
|
40
|
41
|
43
|
40
|
28
|
24
|
25
|
121
|
41
|
|
2026/06
|
49
|
50
|
69
|
65
|
37
|
58
|
47
|
40
|
39
|
35
|
35
|
35
|
40
|
39
|
37
|
41
|
38
|
31
|
37
|
32
|
23
|
26
|
26
|
33
|
139
|
50
|
39
|
41
|
41
|
41
|
|
|
2026/05
|
35
|
64
|
36
|
36
|
41
|
66
|
41
|
35
|
47
|
77
|
59
|
51
|
34
|
198
|
76
|
30
|
34
|
37
|
33
|
31
|
187
|
107
|
47
|
24
|
97
|
171
|
75
|
54
|
41
|
40
|
65
|
|
2026/04
|
43
|
47
|
140
|
88
|
73
|
66
|
54
|
52
|
73
|
57
|
53
|
50
|
67
|
46
|
47
|
53
|
40
|
47
|
248
|
105
|
29
|
47
|
64
|
65
|
51
|
54
|
68
|
58
|
48
|
42
|
|
|
2026/03
|
59
|
30
|
64
|
71
|
66
|
63
|
65
|
46
|
47
|
34
|
49
|
130
|
416
|
122
|
75
|
66
|
67
|
120
|
150
|
89
|
99
|
106
|
74
|
76
|
65
|
52
|
51
|
38
|
38
|
32
|
54
|
|
2026/02
|
101
|
68
|
77
|
66
|
50
|
75
|
65
|
57
|
87
|
136
|
94
|
80
|
63
|
102
|
65
|
46
|
84
|
68
|
54
|
54
|
287
|
284
|
141
|
69
|
125
|
82
|
72
|
46
|
|||
|
2026/01
|
65
|
70
|
79
|
49
|
37
|
31
|
31
|
46
|
43
|
66
|
51
|
42
|
57
|
135
|
79
|
78
|
94
|
79
|
46
|
57
|
60
|
69
|
68
|
82
|
402
|
196
|
137
|
127
|
108
|
104
|
110
|
|
2025/12
|
77
|
58
|
61
|
61
|
51
|
43
|
47
|
48
|
49
|
96
|
81
|
105
|
78
|
59
|
64
|
67
|
45
|
48
|
59
|
48
|
41
|
87
|
69
|
62
|
35
|
54
|
45
|
58
|
45
|
64
|
56
|
|
2025/11
|
54
|
59
|
47
|
35
|
35
|
17
|
81
|
77
|
73
|
52
|
48
|
59
|
55
|
50
|
52
|
60
|
41
|
51
|
44
|
74
|
54
|
53
|
85
|
88
|
50
|
217
|
76
|
64
|
55
|
117
|
|
|
2025/10
|
23
|
15
|
16
|
24
|
67
|
20
|
13
|
12
|
11
|
11
|
10
|
24
|
28
|
22
|
32
|
25
|
20
|
25
|
49
|
14
|
15
|
17
|
14
|
15
|
31
|
48
|
41
|
46
|
48
|
63
|
60
|
|
2025/09
|
21
|
55
|
59
|
40
|
60
|
72
|
52
|
41
|
32
|
28
|
18
|
39
|
35
|
34
|
159
|
54
|
20
|
11
|
12
|
13
|
10
|
13
|
19
|
26
|
29
|
35
|
33
|
33
|
43
|
41
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution