Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
23
O3
0.2
CO
3
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
48
Excellent
Mon
4 May
73
Good
Tue
5 May
109
Light
Wed
6 May
70
Good
Thu
7 May
83
Good
Fri
8 May
64
Good
Sat
9 May
36
Excellent
Air quality in the last 12 months (Chaoyang)
|
2026/03
|
83
|
120
|
109
|
72
|
73
|
42
|
88
|
70
|
32
|
89
|
66
|
98
|
85
|
47
|
57
|
65
|
149
|
35
|
54
|
57
|
83
|
88
|
106
|
157
|
180
|
179
|
34
|
78
|
78
|
25
|
54
|
|
2026/02
|
44
|
26
|
82
|
102
|
44
|
16
|
18
|
32
|
86
|
90
|
38
|
72
|
86
|
84
|
21
|
24
|
75
|
31
|
61
|
83
|
145
|
36
|
33
|
69
|
106
|
79
|
38
|
69
|
|||
|
2026/01
|
25
|
45
|
46
|
63
|
51
|
42
|
25
|
54
|
83
|
35
|
31
|
60
|
29
|
62
|
105
|
48
|
27
|
39
|
17
|
21
|
25
|
37
|
43
|
43
|
42
|
69
|
35
|
62
|
69
|
108
|
87
|
|
2025/12
|
25
|
19
|
32
|
32
|
58
|
84
|
52
|
27
|
60
|
75
|
62
|
39
|
31
|
48
|
78
|
55
|
105
|
194
|
140
|
18
|
32
|
71
|
48
|
22
|
24
|
57
|
65
|
113
|
31
|
24
|
22
|
|
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
|
|
|
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