Air Quality
Excellent
No health implications.
13
PM2.5
33
PM10
133
O3
0.2
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
77
Good
Thu
17 Jul
72
Good
Fri
18 Jul
50
Excellent
Sat
19 Jul
72
Good
Sun
20 Jul
68
Good
Mon
21 Jul
65
Good
Tue
22 Jul
35
Excellent
Wonju Air quality rank
Air quality in the last 12 months (Wonju)
|
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
|
|
2025/04
|
91
|
83
|
94
|
126
|
84
|
90
|
59
|
122
|
124
|
64
|
201
|
321
|
126
|
47
|
64
|
232
|
81
|
217
|
136
|
98
|
177
|
98
|
48
|
53
|
55
|
37
|
50
|
43
|
68
|
238
|
|
|
2025/03
|
70
|
35
|
34
|
36
|
50
|
42
|
69
|
60
|
70
|
47
|
174
|
96
|
77
|
49
|
43
|
47
|
42
|
30
|
48
|
67
|
60
|
68
|
85
|
68
|
68
|
310
|
111
|
122
|
59
|
68
|
72
|
|
2025/02
|
50
|
46
|
40
|
41
|
39
|
58
|
83
|
59
|
58
|
50
|
91
|
87
|
67
|
56
|
58
|
110
|
73
|
68
|
48
|
56
|
63
|
45
|
23
|
41
|
57
|
44
|
49
|
45
|
|||
|
2025/01
|
97
|
52
|
71
|
62
|
47
|
42
|
53
|
50
|
47
|
52
|
85
|
70
|
126
|
52
|
50
|
50
|
64
|
62
|
51
|
50
|
67
|
74
|
144
|
163
|
76
|
105
|
77
|
109
|
183
|
78
|
45
|
|
2024/12
|
39
|
54
|
47
|
43
|
43
|
47
|
32
|
36
|
53
|
78
|
66
|
55
|
48
|
54
|
68
|
60
|
67
|
41
|
59
|
55
|
41
|
50
|
58
|
71
|
64
|
75
|
48
|
50
|
55
|
39
|
49
|
|
2024/11
|
26
|
35
|
44
|
44
|
45
|
42
|
43
|
62
|
64
|
48
|
46
|
51
|
59
|
46
|
78
|
42
|
31
|
15
|
35
|
46
|
41
|
40
|
50
|
42
|
37
|
52
|
70
|
50
|
27
|
36
|
|
|
2024/10
|
40
|
26
|
33
|
22
|
32
|
43
|
34
|
42
|
50
|
48
|
34
|
38
|
38
|
39
|
32
|
49
|
25
|
47
|
13
|
27
|
27
|
28
|
33
|
34
|
47
|
48
|
28
|
33
|
39
|
22
|
30
|
|
2024/09
|
53
|
38
|
28
|
42
|
15
|
14
|
17
|
33
|
27
|
14
|
17
|
26
|
17
|
21
|
23
|
15
|
31
|
33
|
51
|
48
|
33
|
29
|
38
|
41
|
21
|
19
|
78
|
81
|
20
|
23
|
|
|
2024/08
|
23
|
31
|
29
|
22
|
22
|
25
|
17
|
12
|
103
|
173
|
48
|
26
|
27
|
34
|
61
|
41
|
30
|
23
|
26
|
29
|
30
|
36
|
39
|
43
|
38
|
21
|
18
|
30
|
35
|
34
|
51
|
|
2024/07
|
25
|
27
|
23
|
47
|
64
|
45
|
16
|
37
|
35
|
28
|
29
|
68
|
27
|
21
|
10
|
13
|
24
|
22
|
21
|
20
|
279
|
35
|
16
|
142
|
56
|
33
|
37
|
30
|
25
|
32
|
31
|
|
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