Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
59
O3
0.5
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
52
Good
Mon
10 Feb
96
Good
Tue
11 Feb
108
Light
Wed
12 Feb
39
Excellent
Thu
13 Feb
50
Excellent
Fri
14 Feb
36
Excellent
Sat
15 Feb
38
Excellent
Air quality in the last 12 months (Chaoyang)
|
2025/01
|
44
|
20
|
39
|
58
|
48
|
16
|
13
|
17
|
15
|
20
|
31
|
34
|
53
|
26
|
28
|
47
|
71
|
84
|
39
|
63
|
43
|
58
|
77
|
118
|
132
|
103
|
23
|
19
|
114
|
66
|
74
|
|
2024/12
|
59
|
12
|
37
|
41
|
18
|
26
|
18
|
28
|
49
|
32
|
37
|
69
|
30
|
26
|
34
|
34
|
17
|
17
|
46
|
41
|
19
|
28
|
38
|
77
|
75
|
27
|
22
|
38
|
66
|
70
|
47
|
|
2024/11
|
144
|
131
|
61
|
11
|
42
|
60
|
105
|
147
|
154
|
130
|
83
|
102
|
78
|
52
|
78
|
39
|
30
|
46
|
56
|
72
|
27
|
34
|
51
|
90
|
48
|
10
|
18
|
21
|
31
|
47
|
|
|
2024/10
|
8
|
14
|
31
|
64
|
82
|
87
|
20
|
27
|
97
|
18
|
59
|
91
|
122
|
138
|
44
|
48
|
60
|
38
|
8
|
36
|
55
|
23
|
46
|
74
|
166
|
218
|
22
|
46
|
105
|
114
|
119
|
|
2024/09
|
23
|
11
|
33
|
58
|
21
|
25
|
27
|
29
|
70
|
12
|
21
|
23
|
34
|
20
|
29
|
43
|
27
|
39
|
48
|
34
|
7
|
14
|
39
|
58
|
45
|
36
|
47
|
57
|
70
|
8
|
|
|
2024/08
|
18
|
35
|
34
|
29
|
14
|
38
|
48
|
32
|
56
|
22
|
19
|
8
|
13
|
25
|
46
|
48
|
38
|
26
|
25
|
13
|
14
|
23
|
43
|
26
|
35
|
17
|
16
|
29
|
42
|
52
|
53
|
|
2024/07
|
26
|
40
|
35
|
66
|
78
|
30
|
36
|
33
|
65
|
73
|
74
|
52
|
56
|
82
|
57
|
39
|
18
|
26
|
49
|
34
|
43
|
29
|
59
|
42
|
24
|
22
|
29
|
27
|
39
|
13
|
27
|
|
2024/06
|
35
|
42
|
54
|
54
|
61
|
68
|
51
|
48
|
51
|
56
|
41
|
52
|
54
|
34
|
31
|
48
|
62
|
59
|
67
|
65
|
49
|
93
|
117
|
20
|
37
|
64
|
60
|
61
|
64
|
43
|
|
|
2024/05
|
42
|
62
|
60
|
77
|
90
|
57
|
49
|
74
|
72
|
94
|
129
|
41
|
57
|
60
|
26
|
59
|
72
|
82
|
58
|
26
|
40
|
85
|
65
|
35
|
26
|
21
|
37
|
54
|
62
|
41
|
12
|
|
2024/04
|
77
|
83
|
69
|
68
|
70
|
103
|
46
|
89
|
60
|
68
|
119
|
154
|
82
|
61
|
90
|
59
|
93
|
89
|
63
|
49
|
90
|
95
|
17
|
54
|
101
|
113
|
92
|
26
|
25
|
25
|
|
|
2024/03
|
35
|
80
|
56
|
55
|
78
|
49
|
68
|
18
|
64
|
121
|
81
|
47
|
64
|
60
|
114
|
125
|
38
|
107
|
82
|
54
|
84
|
65
|
92
|
79
|
87
|
115
|
149
|
203
|
95
|
44
|
84
|
|
2024/02
|
39
|
69
|
88
|
118
|
100
|
60
|
27
|
33
|
58
|
36
|
87
|
137
|
166
|
73
|
25
|
66
|
95
|
95
|
29
|
24
|
23
|
20
|
42
|
65
|
48
|
79
|
70
|
72
|
29
|
||
|
1
|
2
|
3
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4
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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