Air Quality
Excellent
No health implications.
23
PM2.5
48
PM10
137
O3
0.5
CO
7
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
102
Light
Wed
14 May
100
Good
Thu
15 May
102
Light
Fri
16 May
99
Good
Sat
17 May
103
Light
Sun
18 May
100
Good
Mon
19 May
16
Excellent
Air quality in the last 12 months (Yangcheng)
|
2025/02
|
149
|
127
|
36
|
29
|
25
|
58
|
47
|
22
|
49
|
83
|
108
|
65
|
47
|
52
|
60
|
61
|
64
|
77
|
55
|
69
|
124
|
128
|
65
|
74
|
68
|
62
|
85
|
99
|
|||
|
2025/01
|
94
|
115
|
131
|
104
|
72
|
47
|
35
|
33
|
53
|
58
|
55
|
45
|
82
|
71
|
27
|
39
|
57
|
72
|
64
|
79
|
94
|
152
|
127
|
128
|
95
|
66
|
26
|
40
|
113
|
140
|
170
|
|
2024/12
|
49
|
55
|
55
|
66
|
29
|
35
|
29
|
50
|
75
|
94
|
122
|
114
|
57
|
43
|
43
|
55
|
77
|
73
|
64
|
74
|
40
|
68
|
86
|
107
|
105
|
84
|
51
|
33
|
55
|
66
|
63
|
|
2024/11
|
49
|
67
|
69
|
53
|
55
|
74
|
98
|
80
|
59
|
95
|
152
|
181
|
82
|
58
|
63
|
61
|
50
|
51
|
38
|
53
|
71
|
85
|
93
|
74
|
43
|
40
|
70
|
37
|
32
|
42
|
|
|
2024/10
|
58
|
49
|
54
|
56
|
65
|
77
|
105
|
126
|
108
|
51
|
75
|
95
|
112
|
112
|
119
|
132
|
65
|
28
|
31
|
23
|
44
|
25
|
38
|
57
|
85
|
81
|
49
|
134
|
105
|
108
|
114
|
|
2024/09
|
51
|
34
|
41
|
51
|
31
|
34
|
45
|
55
|
57
|
34
|
36
|
35
|
45
|
60
|
52
|
48
|
51
|
52
|
30
|
37
|
28
|
45
|
52
|
65
|
79
|
101
|
95
|
62
|
46
|
18
|
|
|
2024/08
|
46
|
51
|
37
|
32
|
42
|
35
|
26
|
35
|
31
|
92
|
44
|
30
|
45
|
41
|
47
|
52
|
40
|
43
|
50
|
33
|
31
|
44
|
47
|
54
|
45
|
30
|
25
|
32
|
38
|
47
|
48
|
|
2024/07
|
29
|
35
|
44
|
42
|
36
|
38
|
46
|
28
|
47
|
58
|
57
|
59
|
56
|
75
|
72
|
49
|
30
|
35
|
40
|
31
|
45
|
46
|
38
|
46
|
49
|
42
|
46
|
43
|
22
|
19
|
31
|
|
2024/06
|
59
|
49
|
47
|
59
|
57
|
63
|
57
|
51
|
56
|
53
|
59
|
58
|
64
|
49
|
61
|
44
|
35
|
45
|
49
|
53
|
32
|
54
|
61
|
107
|
90
|
82
|
55
|
54
|
48
|
50
|
|
|
2024/05
|
45
|
51
|
49
|
39
|
61
|
57
|
69
|
71
|
64
|
55
|
98
|
98
|
86
|
71
|
85
|
52
|
60
|
66
|
52
|
60
|
62
|
64
|
57
|
66
|
69
|
64
|
59
|
53
|
60
|
54
|
72
|
|
2024/04
|
83
|
102
|
87
|
60
|
61
|
72
|
74
|
66
|
72
|
69
|
64
|
62
|
57
|
41
|
69
|
75
|
80
|
72
|
52
|
42
|
74
|
80
|
82
|
71
|
82
|
70
|
63
|
63
|
64
|
36
|
|
|
2024/03
|
83
|
59
|
58
|
81
|
134
|
107
|
81
|
45
|
67
|
85
|
76
|
68
|
86
|
91
|
81
|
129
|
92
|
78
|
90
|
67
|
81
|
107
|
89
|
56
|
39
|
67
|
62
|
79
|
73
|
82
|
83
|
|
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