Air Quality
Excellent
No health implications.
24
PM2.5
45
PM10
59
O3
0.6
CO
3
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
54
Good
Mon
15 Dec
89
Good
Tue
16 Dec
45
Excellent
Wed
17 Dec
72
Good
Thu
18 Dec
131
Light
Fri
19 Dec
144
Light
Sat
20 Dec
48
Excellent
Chaoyang Air quality rank
Air quality in the last 12 months (Chaoyang)
|
2025/11
|
47
|
15
|
58
|
77
|
177
|
160
|
82
|
66
|
26
|
48
|
84
|
85
|
22
|
58
|
78
|
28
|
18
|
24
|
47
|
31
|
68
|
64
|
87
|
51
|
32
|
69
|
29
|
75
|
94
|
95
|
|
|
2025/10
|
45
|
50
|
44
|
48
|
47
|
18
|
46
|
21
|
9
|
13
|
17
|
34
|
51
|
43
|
71
|
67
|
27
|
10
|
14
|
16
|
25
|
51
|
67
|
97
|
135
|
27
|
33
|
105
|
187
|
144
|
49
|
|
2025/09
|
22
|
41
|
40
|
59
|
47
|
24
|
33
|
25
|
53
|
39
|
52
|
61
|
48
|
29
|
23
|
19
|
17
|
21
|
33
|
39
|
49
|
26
|
47
|
59
|
41
|
43
|
50
|
38
|
34
|
36
|
|
|
2025/08
|
47
|
50
|
30
|
32
|
27
|
37
|
21
|
36
|
12
|
25
|
38
|
45
|
22
|
25
|
39
|
21
|
34
|
38
|
23
|
25
|
32
|
21
|
23
|
15
|
24
|
22
|
23
|
13
|
40
|
33
|
25
|
|
2025/07
|
26
|
32
|
20
|
39
|
24
|
11
|
33
|
33
|
45
|
28
|
48
|
49
|
14
|
39
|
45
|
35
|
13
|
38
|
54
|
21
|
29
|
44
|
35
|
22
|
26
|
41
|
34
|
29
|
8
|
14
|
36
|
|
2025/06
|
63
|
18
|
10
|
23
|
54
|
34
|
25
|
49
|
44
|
29
|
55
|
72
|
63
|
48
|
16
|
14
|
40
|
62
|
37
|
29
|
18
|
35
|
53
|
60
|
60
|
58
|
62
|
46
|
67
|
51
|
|
|
2025/05
|
33
|
41
|
21
|
50
|
51
|
21
|
77
|
96
|
32
|
41
|
61
|
77
|
90
|
30
|
45
|
68
|
50
|
46
|
56
|
95
|
73
|
66
|
49
|
36
|
55
|
59
|
46
|
56
|
63
|
66
|
73
|
|
2025/04
|
43
|
21
|
60
|
69
|
23
|
73
|
58
|
42
|
55
|
81
|
110
|
92
|
66
|
57
|
55
|
97
|
58
|
25
|
44
|
70
|
92
|
20
|
52
|
30
|
54
|
90
|
26
|
62
|
58
|
47
|
|
|
2025/03
|
235
|
76
|
35
|
46
|
83
|
16
|
82
|
113
|
156
|
139
|
203
|
60
|
108
|
66
|
50
|
18
|
30
|
35
|
42
|
35
|
29
|
48
|
104
|
79
|
53
|
79
|
48
|
29
|
21
|
44
|
63
|
|
2025/02
|
78
|
51
|
10
|
18
|
23
|
60
|
27
|
15
|
18
|
75
|
145
|
22
|
86
|
62
|
96
|
30
|
18
|
33
|
22
|
20
|
17
|
17
|
22
|
47
|
47
|
54
|
113
|
139
|
|||
|
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
|
|
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