Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
32
O3
0.8
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jan
50
Excellent
Fri
2 Jan
55
Good
Sat
3 Jan
99
Good
Sun
4 Jan
106
Light
Mon
5 Jan
142
Light
Tue
6 Jan
42
Excellent
Wed
7 Jan
45
Excellent
Air quality in the last 12 months (Hanyang)
|
2025/11
|
71
|
71
|
60
|
59
|
65
|
60
|
34
|
21
|
41
|
49
|
55
|
34
|
40
|
59
|
84
|
85
|
51
|
21
|
29
|
43
|
64
|
85
|
100
|
83
|
83
|
70
|
106
|
83
|
68
|
75
|
|
|
2025/10
|
52
|
41
|
16
|
38
|
65
|
58
|
34
|
50
|
62
|
46
|
40
|
45
|
12
|
26
|
44
|
23
|
30
|
9
|
12
|
21
|
13
|
23
|
28
|
33
|
48
|
58
|
56
|
70
|
77
|
55
|
40
|
|
2025/09
|
18
|
34
|
33
|
37
|
40
|
31
|
45
|
47
|
23
|
32
|
26
|
25
|
23
|
28
|
28
|
35
|
31
|
19
|
19
|
14
|
28
|
41
|
17
|
10
|
12
|
26
|
39
|
46
|
24
|
26
|
|
|
2025/08
|
32
|
25
|
37
|
43
|
35
|
27
|
16
|
17
|
24
|
26
|
11
|
17
|
20
|
21
|
19
|
22
|
27
|
29
|
21
|
14
|
16
|
16
|
21
|
25
|
25
|
29
|
30
|
29
|
33
|
23
|
21
|
|
2025/07
|
17
|
16
|
19
|
26
|
33
|
40
|
42
|
44
|
23
|
27
|
40
|
24
|
26
|
36
|
30
|
29
|
31
|
30
|
36
|
29
|
22
|
12
|
13
|
26
|
25
|
28
|
20
|
25
|
20
|
24
|
24
|
|
2025/06
|
9
|
21
|
50
|
58
|
44
|
41
|
19
|
14
|
16
|
30
|
31
|
42
|
44
|
27
|
37
|
45
|
40
|
20
|
10
|
12
|
10
|
17
|
29
|
26
|
40
|
28
|
20
|
18
|
10
|
20
|
|
|
2025/05
|
53
|
58
|
61
|
54
|
41
|
110
|
155
|
44
|
44
|
45
|
47
|
47
|
48
|
62
|
45
|
46
|
54
|
134
|
79
|
40
|
27
|
19
|
48
|
53
|
56
|
49
|
56
|
37
|
32
|
31
|
13
|
|
2025/04
|
69
|
66
|
60
|
73
|
79
|
74
|
71
|
71
|
81
|
52
|
62
|
201
|
116
|
100
|
53
|
62
|
69
|
73
|
71
|
60
|
40
|
52
|
62
|
65
|
66
|
48
|
48
|
57
|
46
|
48
|
|
|
2025/03
|
72
|
42
|
12
|
41
|
44
|
69
|
75
|
88
|
76
|
61
|
66
|
71
|
61
|
46
|
30
|
45
|
31
|
46
|
51
|
53
|
57
|
60
|
64
|
55
|
56
|
68
|
106
|
74
|
72
|
74
|
75
|
|
2025/02
|
63
|
53
|
84
|
79
|
66
|
39
|
76
|
39
|
42
|
54
|
72
|
88
|
111
|
80
|
83
|
73
|
65
|
70
|
59
|
86
|
89
|
82
|
107
|
108
|
113
|
95
|
59
|
73
|
|||
|
2025/01
|
116
|
167
|
198
|
217
|
75
|
77
|
59
|
63
|
48
|
44
|
77
|
77
|
100
|
91
|
59
|
61
|
84
|
89
|
129
|
140
|
129
|
119
|
222
|
93
|
16
|
40
|
51
|
55
|
165
|
63
|
117
|
|
2024/12
|
67
|
83
|
122
|
86
|
50
|
49
|
58
|
64
|
58
|
82
|
93
|
105
|
89
|
55
|
59
|
63
|
88
|
77
|
72
|
105
|
93
|
60
|
65
|
88
|
127
|
137
|
154
|
43
|
56
|
103
|
143
|
|
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