Air Quality
Excellent
No health implications.
3
PM2.5
14
PM10
42
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
62
Good
Wed
11 Sep
87
Good
Thu
12 Sep
84
Good
Fri
13 Sep
64
Good
Sat
14 Sep
46
Excellent
Sun
15 Sep
50
Excellent
Air quality in the last 12 months (Chaoyang)
|
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
|
|
2024/02
|
60
|
33
|
26
|
27
|
32
|
25
|
19
|
17
|
24
|
56
|
86
|
64
|
74
|
75
|
67
|
47
|
34
|
41
|
41
|
34
|
21
|
25
|
23
|
43
|
45
|
38
|
35
|
34
|
52
|
||
|
2024/01
|
61
|
53
|
54
|
41
|
53
|
61
|
57
|
65
|
51
|
42
|
58
|
61
|
47
|
47
|
61
|
38
|
35
|
44
|
46
|
32
|
29
|
27
|
22
|
29
|
46
|
48
|
55
|
55
|
66
|
59
|
71
|
|
2023/12
|
39
|
41
|
36
|
32
|
32
|
37
|
37
|
53
|
69
|
66
|
60
|
56
|
32
|
36
|
53
|
41
|
27
|
33
|
36
|
26
|
29
|
47
|
41
|
42
|
47
|
60
|
79
|
58
|
38
|
51
|
68
|
|
2023/11
|
37
|
31
|
39
|
47
|
51
|
51
|
42
|
40
|
45
|
50
|
27
|
30
|
32
|
39
|
36
|
54
|
52
|
51
|
58
|
47
|
41
|
42
|
58
|
62
|
42
|
41
|
57
|
53
|
54
|
59
|
|
|
2023/10
|
37
|
38
|
48
|
55
|
37
|
32
|
21
|
25
|
27
|
31
|
37
|
36
|
37
|
34
|
54
|
52
|
57
|
46
|
51
|
60
|
37
|
34
|
31
|
31
|
36
|
30
|
31
|
32
|
38
|
40
|
43
|
|
2023/09
|
21
|
30
|
40
|
24
|
18
|
23
|
17
|
19
|
26
|
34
|
28
|
22
|
22
|
19
|
24
|
26
|
32
|
31
|
23
|
35
|
42
|
29
|
27
|
27
|
29
|
29
|
38
|
36
|
29
|
36
|
|
|
2023/08
|
31
|
37
|
30
|
23
|
28
|
29
|
32
|
30
|
31
|
30
|
26
|
21
|
20
|
23
|
28
|
29
|
32
|
29
|
31
|
21
|
19
|
21
|
24
|
31
|
31
|
26
|
29
|
26
|
34
|
30
|
22
|
|
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