Air Quality
Excellent
No health implications.
11
PM2.5
28
PM10
78
O3
0.6
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
61
Good
Thu
17 Jul
55
Good
Fri
18 Jul
58
Good
Sat
19 Jul
58
Good
Sun
20 Jul
52
Good
Mon
21 Jul
52
Good
Tue
22 Jul
23
Excellent
Air quality in the last 12 months (Chaoyang)
|
2025/06
|
44
|
29
|
21
|
18
|
29
|
25
|
39
|
21
|
19
|
17
|
21
|
23
|
15
|
31
|
27
|
17
|
15
|
23
|
12
|
13
|
11
|
14
|
15
|
16
|
12
|
15
|
12
|
14
|
12
|
11
|
|
|
2025/05
|
51
|
60
|
58
|
40
|
39
|
31
|
34
|
47
|
44
|
27
|
28
|
36
|
31
|
36
|
26
|
22
|
18
|
17
|
22
|
19
|
18
|
18
|
16
|
21
|
22
|
34
|
25
|
27
|
14
|
20
|
30
|
|
2025/04
|
19
|
32
|
44
|
48
|
36
|
48
|
53
|
57
|
48
|
36
|
45
|
40
|
119
|
100
|
100
|
77
|
59
|
58
|
51
|
32
|
37
|
32
|
33
|
30
|
22
|
21
|
28
|
43
|
39
|
46
|
|
|
2025/03
|
66
|
32
|
26
|
30
|
15
|
22
|
23
|
26
|
33
|
35
|
49
|
74
|
55
|
18
|
28
|
23
|
39
|
48
|
41
|
44
|
51
|
52
|
57
|
57
|
48
|
42
|
28
|
49
|
27
|
12
|
10
|
|
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
|
|
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