Air Quality
Excellent
No health implications.
14
PM2.5
19
PM10
43
O3
0.4
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
51
Good
Mon
14 Apr
47
Excellent
Tue
15 Apr
58
Good
Wed
16 Apr
59
Good
Thu
17 Apr
86
Good
Fri
18 Apr
94
Good
Sat
19 Apr
43
Excellent
Air quality in the last 12 months (Chaoyang)
|
2025/02
|
117
|
131
|
70
|
69
|
64
|
64
|
44
|
35
|
53
|
67
|
91
|
63
|
64
|
62
|
74
|
40
|
34
|
31
|
35
|
38
|
38
|
44
|
42
|
51
|
121
|
60
|
91
|
137
|
|||
|
2025/01
|
37
|
32
|
32
|
58
|
78
|
100
|
70
|
44
|
59
|
80
|
86
|
103
|
92
|
53
|
46
|
46
|
54
|
70
|
72
|
84
|
105
|
96
|
103
|
88
|
105
|
90
|
112
|
52
|
67
|
54
|
75
|
|
2024/12
|
52
|
22
|
30
|
27
|
32
|
39
|
42
|
43
|
61
|
64
|
35
|
48
|
58
|
43
|
30
|
31
|
44
|
50
|
50
|
79
|
75
|
45
|
41
|
37
|
60
|
33
|
34
|
37
|
49
|
60
|
44
|
|
2024/11
|
58
|
53
|
113
|
28
|
25
|
35
|
49
|
85
|
70
|
62
|
113
|
55
|
97
|
61
|
46
|
65
|
57
|
145
|
80
|
63
|
121
|
70
|
127
|
72
|
65
|
65
|
27
|
50
|
53
|
64
|
|
|
2024/10
|
17
|
23
|
27
|
41
|
48
|
34
|
35
|
49
|
44
|
24
|
35
|
50
|
56
|
46
|
14
|
29
|
63
|
40
|
22
|
40
|
37
|
32
|
41
|
57
|
85
|
67
|
40
|
50
|
62
|
89
|
81
|
|
2024/09
|
15
|
18
|
25
|
27
|
16
|
22
|
28
|
30
|
30
|
25
|
29
|
30
|
31
|
14
|
31
|
25
|
36
|
35
|
38
|
17
|
17
|
28
|
32
|
30
|
25
|
44
|
46
|
37
|
38
|
20
|
|
|
2024/08
|
12
|
18
|
26
|
27
|
16
|
25
|
36
|
33
|
27
|
30
|
27
|
22
|
17
|
23
|
26
|
40
|
38
|
41
|
21
|
25
|
17
|
11
|
21
|
33
|
26
|
19
|
16
|
23
|
31
|
34
|
19
|
|
2024/07
|
82
|
55
|
17
|
32
|
25
|
29
|
48
|
65
|
58
|
69
|
75
|
76
|
87
|
75
|
62
|
40
|
14
|
31
|
44
|
30
|
30
|
22
|
19
|
15
|
22
|
7
|
11
|
8
|
15
|
24
|
17
|
|
2024/06
|
19
|
19
|
31
|
42
|
46
|
34
|
35
|
28
|
21
|
30
|
41
|
24
|
37
|
21
|
16
|
21
|
20
|
32
|
47
|
36
|
39
|
63
|
11
|
9
|
17
|
32
|
45
|
38
|
33
|
36
|
|
|
2024/05
|
42
|
57
|
62
|
55
|
40
|
66
|
46
|
47
|
63
|
51
|
59
|
31
|
39
|
54
|
18
|
31
|
46
|
43
|
23
|
23
|
33
|
47
|
24
|
22
|
34
|
13
|
14
|
22
|
31
|
27
|
15
|
|
2024/04
|
58
|
89
|
48
|
69
|
142
|
74
|
69
|
65
|
77
|
172
|
85
|
143
|
59
|
49
|
126
|
118
|
64
|
65
|
126
|
264
|
214
|
68
|
61
|
46
|
54
|
64
|
68
|
35
|
73
|
57
|
|
|
2024/03
|
43
|
44
|
32
|
33
|
34
|
43
|
44
|
27
|
51
|
71
|
100
|
44
|
54
|
60
|
102
|
81
|
21
|
48
|
36
|
33
|
50
|
39
|
55
|
21
|
32
|
39
|
77
|
176
|
80
|
54
|
45
|
|
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