Air Quality
Excellent
No health implications.
15
PM2.5
46
PM10
88
O3
0.4
CO
10
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Mar
76
Good
Mon
9 Mar
59
Good
Tue
10 Mar
83
Good
Wed
11 Mar
84
Good
Thu
12 Mar
88
Good
Fri
13 Mar
90
Good
Sat
14 Mar
34
Excellent
Air quality in the last 12 months (Chaoyang County)
|
2026/02
|
68
|
40
|
52
|
62
|
73
|
29
|
48
|
36
|
61
|
79
|
56
|
98
|
116
|
97
|
55
|
116
|
144
|
25
|
59
|
79
|
175
|
61
|
27
|
58
|
82
|
50
|
41
|
34
|
|||
|
2026/01
|
62
|
59
|
91
|
82
|
57
|
50
|
41
|
52
|
77
|
35
|
25
|
50
|
26
|
84
|
61
|
35
|
29
|
33
|
37
|
41
|
52
|
57
|
59
|
56
|
38
|
64
|
37
|
44
|
59
|
53
|
80
|
|
2025/12
|
32
|
24
|
32
|
54
|
44
|
81
|
63
|
39
|
51
|
73
|
31
|
66
|
85
|
61
|
78
|
62
|
68
|
111
|
103
|
30
|
32
|
55
|
59
|
38
|
38
|
48
|
75
|
80
|
38
|
40
|
35
|
|
2025/11
|
58
|
24
|
50
|
54
|
104
|
48
|
50
|
44
|
44
|
39
|
43
|
73
|
40
|
69
|
88
|
57
|
33
|
44
|
48
|
34
|
49
|
53
|
81
|
104
|
27
|
48
|
32
|
72
|
73
|
46
|
|
|
2025/10
|
53
|
56
|
51
|
42
|
36
|
19
|
41
|
22
|
24
|
36
|
54
|
39
|
48
|
64
|
58
|
30
|
38
|
22
|
36
|
32
|
48
|
54
|
47
|
56
|
75
|
55
|
40
|
42
|
102
|
58
|
53
|
|
2025/09
|
41
|
39
|
49
|
57
|
58
|
43
|
33
|
27
|
37
|
32
|
48
|
42
|
42
|
38
|
28
|
32
|
27
|
33
|
39
|
40
|
35
|
33
|
27
|
34
|
34
|
45
|
76
|
53
|
44
|
54
|
|
|
2025/08
|
38
|
46
|
26
|
20
|
20
|
22
|
25
|
29
|
26
|
35
|
35
|
39
|
24
|
28
|
39
|
29
|
22
|
38
|
37
|
26
|
31
|
24
|
39
|
18
|
25
|
31
|
31
|
14
|
32
|
38
|
38
|
|
2025/07
|
35
|
33
|
24
|
33
|
40
|
26
|
30
|
37
|
35
|
33
|
37
|
41
|
25
|
32
|
30
|
30
|
21
|
25
|
31
|
23
|
25
|
32
|
30
|
26
|
34
|
41
|
37
|
23
|
20
|
19
|
30
|
|
2025/06
|
32
|
55
|
39
|
25
|
41
|
39
|
28
|
44
|
36
|
28
|
39
|
49
|
33
|
43
|
23
|
17
|
30
|
42
|
41
|
27
|
35
|
35
|
44
|
53
|
49
|
45
|
41
|
21
|
37
|
32
|
|
|
2025/05
|
58
|
38
|
37
|
30
|
36
|
35
|
53
|
71
|
33
|
44
|
52
|
79
|
68
|
45
|
49
|
54
|
35
|
37
|
50
|
64
|
56
|
82
|
41
|
53
|
46
|
52
|
68
|
89
|
47
|
79
|
52
|
|
2025/04
|
56
|
23
|
45
|
57
|
44
|
43
|
66
|
30
|
33
|
52
|
61
|
74
|
26
|
18
|
46
|
62
|
73
|
29
|
26
|
39
|
49
|
27
|
60
|
51
|
40
|
58
|
36
|
35
|
67
|
49
|
|
|
2025/03
|
157
|
47
|
41
|
52
|
69
|
34
|
64
|
67
|
130
|
119
|
107
|
72
|
44
|
46
|
43
|
41
|
51
|
25
|
47
|
57
|
48
|
60
|
72
|
61
|
71
|
125
|
65
|
43
|
29
|
34
|
49
|
|
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