Air Quality
Excellent
No health implications.
28
PM2.5
38
PM10
49
O3
0.8
CO
7
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Apr
61
Good
Sat
5 Apr
62
Good
Sun
6 Apr
58
Good
Mon
7 Apr
56
Good
Tue
8 Apr
57
Good
Wed
9 Apr
49
Excellent
Thu
10 Apr
50
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