Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
16
O3
0.8
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jun
45
Excellent
Wed
18 Jun
49
Excellent
Thu
19 Jun
52
Good
Fri
20 Jun
51
Good
Sat
21 Jun
57
Good
Sun
22 Jun
53
Good
Mon
23 Jun
48
Excellent
Air quality in the last 12 months (Chaoyang)
|
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
|
|
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
|
|
|
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