Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
49
O3
0.3
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jan
87
Good
Wed
14 Jan
128
Light
Thu
15 Jan
159
Moderate
Fri
16 Jan
47
Excellent
Sat
17 Jan
56
Good
Sun
18 Jan
21
Excellent
Mon
19 Jan
26
Excellent
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