Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
19
O3
0.5
CO
5
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
57
Good
Sun
14 Dec
73
Good
Mon
15 Dec
83
Good
Tue
16 Dec
97
Good
Wed
17 Dec
141
Light
Thu
18 Dec
42
Excellent
Fri
19 Dec
40
Excellent
Hanyang Air quality rank
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