Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
32
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
53
Good
Sun
11 May
59
Good
Mon
12 May
89
Good
Tue
13 May
78
Good
Wed
14 May
56
Good
Thu
15 May
25
Excellent
Fri
16 May
44
Excellent
Air quality in the last 12 months (Chaoyang)
|
2025/02
|
54
|
19
|
14
|
27
|
47
|
35
|
24
|
36
|
38
|
33
|
40
|
57
|
35
|
27
|
36
|
64
|
43
|
52
|
27
|
26
|
21
|
23
|
30
|
26
|
42
|
44
|
50
|
73
|
|||
|
2025/01
|
55
|
56
|
56
|
47
|
55
|
55
|
54
|
53
|
51
|
54
|
45
|
39
|
50
|
50
|
61
|
73
|
50
|
44
|
57
|
49
|
49
|
52
|
52
|
27
|
26
|
35
|
24
|
36
|
62
|
42
|
47
|
|
2024/12
|
53
|
60
|
47
|
35
|
37
|
37
|
37
|
40
|
38
|
28
|
41
|
37
|
32
|
47
|
50
|
48
|
50
|
45
|
47
|
36
|
46
|
53
|
42
|
34
|
44
|
43
|
46
|
62
|
52
|
55
|
63
|
|
2024/11
|
27
|
22
|
28
|
35
|
38
|
44
|
32
|
31
|
28
|
24
|
33
|
31
|
21
|
23
|
36
|
33
|
36
|
27
|
19
|
12
|
16
|
27
|
32
|
26
|
27
|
20
|
36
|
30
|
39
|
47
|
|
|
2024/10
|
23
|
26
|
32
|
26
|
22
|
31
|
29
|
20
|
29
|
33
|
39
|
37
|
29
|
30
|
26
|
22
|
29
|
36
|
42
|
23
|
20
|
32
|
33
|
35
|
43
|
35
|
45
|
25
|
28
|
47
|
37
|
|
2024/09
|
24
|
36
|
42
|
49
|
22
|
23
|
21
|
16
|
16
|
29
|
45
|
37
|
31
|
31
|
28
|
23
|
29
|
25
|
30
|
22
|
11
|
16
|
9
|
15
|
33
|
23
|
37
|
26
|
31
|
38
|
|
|
2024/08
|
26
|
25
|
32
|
41
|
35
|
38
|
41
|
45
|
31
|
48
|
28
|
23
|
23
|
22
|
25
|
21
|
13
|
16
|
12
|
10
|
13
|
19
|
29
|
32
|
35
|
29
|
36
|
41
|
39
|
35
|
22
|
|
2024/07
|
21
|
19
|
13
|
14
|
14
|
14
|
12
|
15
|
15
|
27
|
13
|
14
|
16
|
15
|
15
|
28
|
21
|
12
|
16
|
19
|
14
|
17
|
29
|
33
|
31
|
11
|
17
|
14
|
16
|
16
|
37
|
|
2024/06
|
19
|
14
|
21
|
21
|
22
|
35
|
13
|
14
|
22
|
20
|
16
|
20
|
20
|
22
|
25
|
17
|
15
|
14
|
14
|
12
|
18
|
21
|
20
|
14
|
15
|
23
|
16
|
19
|
14
|
15
|
|
|
2024/05
|
24
|
18
|
24
|
26
|
21
|
31
|
35
|
41
|
45
|
32
|
44
|
37
|
29
|
27
|
36
|
44
|
32
|
37
|
25
|
16
|
11
|
11
|
11
|
12
|
16
|
19
|
22
|
26
|
27
|
23
|
29
|
|
2024/04
|
25
|
45
|
32
|
45
|
35
|
22
|
23
|
36
|
18
|
39
|
39
|
51
|
48
|
34
|
40
|
37
|
30
|
26
|
46
|
43
|
24
|
36
|
27
|
32
|
24
|
19
|
20
|
18
|
29
|
27
|
|
|
2024/03
|
20
|
22
|
35
|
41
|
66
|
61
|
27
|
53
|
53
|
34
|
38
|
30
|
65
|
63
|
63
|
82
|
126
|
47
|
53
|
51
|
56
|
59
|
56
|
37
|
30
|
51
|
40
|
51
|
63
|
67
|
29
|
|
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