Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
83
*
PM10
64
O3
0.5
CO
9
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 May
68
Good
Sun
24 May
52
Good
Mon
25 May
57
Good
Tue
26 May
81
Good
Wed
27 May
119
Light
Thu
28 May
72
Good
Fri
29 May
26
Excellent
Air quality in the last 12 months (Wonju)
|
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
|
|
|
2025/08
|
35
|
30
|
30
|
23
|
28
|
34
|
31
|
20
|
18
|
23
|
37
|
25
|
30
|
26
|
30
|
19
|
21
|
18
|
19
|
114
|
24
|
33
|
15
|
17
|
19
|
16
|
41
|
30
|
14
|
17
|
25
|
|
2025/07
|
19
|
17
|
22
|
22
|
17
|
22
|
18
|
30
|
23
|
27
|
19
|
27
|
30
|
29
|
43
|
47
|
37
|
30
|
83
|
23
|
24
|
16
|
21
|
20
|
23
|
15
|
18
|
19
|
30
|
26
|
41
|
|
2025/06
|
40
|
40
|
37
|
26
|
30
|
33
|
38
|
42
|
46
|
42
|
40
|
42
|
45
|
72
|
64
|
48
|
39
|
37
|
40
|
27
|
25
|
30
|
25
|
28
|
18
|
18
|
22
|
22
|
28
|
15
|
|
|
2025/05
|
116
|
146
|
106
|
140
|
228
|
135
|
89
|
137
|
133
|
50
|
28
|
53
|
93
|
60
|
52
|
90
|
148
|
65
|
49
|
53
|
81
|
87
|
32
|
33
|
17
|
29
|
27
|
26
|
30
|
55
|
34
|
|
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