Air Quality
Excellent
No health implications.
15
PM2.5
26
PM10
121
O3
0.4
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
95
Good
Sat
19 Sep
83
Good
Sun
20 Sep
82
Good
Mon
21 Sep
64
Good
Tue
22 Sep
50
Excellent
Wed
23 Sep
45
Excellent
Thu
24 Sep
25
Excellent
Air quality in the last 12 months (Chaoyang)
|
2026/08
|
13
|
13
|
26
|
46
|
34
|
34
|
40
|
35
|
28
|
24
|
54
|
40
|
27
|
22
|
20
|
29
|
37
|
22
|
20
|
17
|
18
|
18
|
26
|
22
|
26
|
25
|
26
|
27
|
37
|
31
|
21
|
|
2026/07
|
17
|
20
|
15
|
19
|
17
|
14
|
17
|
17
|
21
|
30
|
35
|
35
|
17
|
16
|
18
|
17
|
18
|
26
|
28
|
27
|
37
|
37
|
37
|
41
|
27
|
24
|
17
|
16
|
17
|
24
|
21
|
|
2026/06
|
43
|
40
|
30
|
28
|
29
|
37
|
23
|
21
|
27
|
30
|
36
|
38
|
27
|
16
|
16
|
17
|
18
|
16
|
22
|
18
|
19
|
25
|
26
|
29
|
29
|
24
|
23
|
21
|
17
|
16
|
|
|
2026/05
|
34
|
41
|
40
|
25
|
30
|
38
|
37
|
45
|
38
|
38
|
48
|
62
|
37
|
19
|
24
|
29
|
28
|
31
|
30
|
24
|
17
|
24
|
26
|
29
|
23
|
23
|
25
|
33
|
38
|
48
|
52
|
|
2026/04
|
31
|
34
|
48
|
43
|
28
|
29
|
31
|
35
|
40
|
24
|
27
|
28
|
23
|
24
|
26
|
32
|
34
|
51
|
42
|
39
|
32
|
29
|
26
|
22
|
31
|
44
|
45
|
32
|
27
|
23
|
|
|
2026/03
|
26
|
37
|
33
|
27
|
33
|
28
|
42
|
33
|
31
|
38
|
39
|
47
|
40
|
40
|
34
|
34
|
33
|
40
|
45
|
34
|
36
|
38
|
43
|
33
|
54
|
35
|
37
|
33
|
35
|
38
|
36
|
|
2026/02
|
29
|
30
|
39
|
47
|
53
|
47
|
30
|
36
|
31
|
37
|
53
|
40
|
44
|
43
|
42
|
35
|
30
|
40
|
39
|
55
|
66
|
77
|
56
|
81
|
63
|
21
|
40
|
10
|
|||
|
2026/01
|
27
|
26
|
33
|
44
|
51
|
31
|
37
|
45
|
43
|
54
|
57
|
55
|
59
|
47
|
44
|
54
|
52
|
45
|
42
|
27
|
38
|
39
|
41
|
34
|
23
|
40
|
46
|
25
|
32
|
37
|
32
|
|
2025/12
|
55
|
34
|
39
|
42
|
33
|
37
|
52
|
60
|
43
|
37
|
41
|
44
|
41
|
38
|
40
|
52
|
60
|
40
|
52
|
41
|
75
|
33
|
34
|
33
|
26
|
24
|
30
|
38
|
43
|
47
|
33
|
|
2025/11
|
25
|
35
|
39
|
25
|
19
|
25
|
23
|
28
|
38
|
23
|
27
|
17
|
16
|
26
|
37
|
38
|
37
|
37
|
22
|
44
|
43
|
42
|
53
|
65
|
41
|
60
|
53
|
63
|
74
|
72
|
|
|
2025/10
|
29
|
20
|
23
|
26
|
20
|
15
|
42
|
26
|
26
|
22
|
23
|
19
|
16
|
23
|
20
|
23
|
27
|
31
|
26
|
20
|
16
|
16
|
24
|
32
|
36
|
41
|
38
|
39
|
24
|
31
|
39
|
|
2025/09
|
21
|
28
|
26
|
18
|
17
|
26
|
16
|
18
|
18
|
18
|
23
|
16
|
18
|
19
|
20
|
25
|
24
|
19
|
13
|
14
|
15
|
28
|
22
|
28
|
22
|
26
|
27
|
25
|
28
|
30
|
|
|
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