Air Quality
Excellent
No health implications.
12
PM2.5
25
PM10
106
O3
0.8
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Aug
58
Good
Thu
14 Aug
74
Good
Fri
15 Aug
74
Good
Sat
16 Aug
65
Good
Sun
17 Aug
62
Good
Mon
18 Aug
61
Good
Tue
19 Aug
18
Excellent
Air quality in the last 12 months (Chaoyang County)
|
2025/06
|
32
|
55
|
39
|
25
|
41
|
39
|
28
|
44
|
36
|
28
|
39
|
49
|
33
|
43
|
23
|
17
|
30
|
42
|
41
|
27
|
35
|
35
|
44
|
53
|
49
|
45
|
41
|
21
|
37
|
32
|
|
|
2025/05
|
58
|
38
|
37
|
30
|
36
|
35
|
53
|
71
|
33
|
44
|
52
|
79
|
68
|
45
|
49
|
54
|
35
|
37
|
50
|
64
|
56
|
82
|
41
|
53
|
46
|
52
|
68
|
89
|
47
|
79
|
52
|
|
2025/04
|
56
|
23
|
45
|
57
|
44
|
43
|
66
|
30
|
33
|
52
|
61
|
74
|
26
|
18
|
46
|
62
|
73
|
29
|
26
|
39
|
49
|
27
|
60
|
51
|
40
|
58
|
36
|
35
|
67
|
49
|
|
|
2025/03
|
157
|
47
|
41
|
52
|
69
|
34
|
64
|
67
|
130
|
119
|
107
|
72
|
44
|
46
|
43
|
41
|
51
|
25
|
47
|
57
|
48
|
60
|
72
|
61
|
71
|
125
|
65
|
43
|
29
|
34
|
49
|
|
2025/02
|
86
|
88
|
41
|
26
|
30
|
64
|
52
|
29
|
50
|
70
|
89
|
70
|
84
|
70
|
78
|
39
|
28
|
26
|
41
|
40
|
31
|
39
|
33
|
53
|
60
|
60
|
87
|
132
|
|||
|
2025/01
|
51
|
40
|
48
|
76
|
83
|
55
|
40
|
38
|
27
|
64
|
74
|
76
|
69
|
41
|
34
|
48
|
63
|
70
|
55
|
70
|
68
|
70
|
109
|
132
|
122
|
112
|
31
|
81
|
284
|
80
|
61
|
|
2024/12
|
70
|
27
|
39
|
34
|
38
|
29
|
32
|
43
|
64
|
54
|
40
|
72
|
62
|
37
|
37
|
47
|
30
|
40
|
56
|
47
|
38
|
39
|
51
|
70
|
75
|
31
|
35
|
49
|
70
|
65
|
42
|
|
2024/11
|
65
|
52
|
58
|
30
|
38
|
42
|
76
|
134
|
85
|
69
|
39
|
47
|
52
|
59
|
49
|
34
|
30
|
27
|
52
|
63
|
51
|
41
|
52
|
93
|
72
|
21
|
37
|
41
|
44
|
49
|
|
|
2024/10
|
22
|
30
|
32
|
43
|
62
|
33
|
30
|
36
|
54
|
37
|
50
|
43
|
54
|
57
|
29
|
40
|
67
|
58
|
29
|
37
|
36
|
29
|
42
|
50
|
80
|
67
|
33
|
49
|
62
|
32
|
56
|
|
2024/09
|
29
|
26
|
29
|
34
|
25
|
34
|
25
|
26
|
42
|
26
|
40
|
37
|
43
|
16
|
30
|
35
|
30
|
34
|
47
|
15
|
22
|
30
|
31
|
41
|
37
|
35
|
44
|
52
|
39
|
21
|
|
|
2024/08
|
28
|
24
|
37
|
21
|
25
|
29
|
35
|
47
|
47
|
24
|
48
|
28
|
16
|
26
|
31
|
37
|
43
|
39
|
28
|
13
|
20
|
28
|
27
|
30
|
30
|
32
|
31
|
32
|
35
|
41
|
31
|
|
2024/07
|
46
|
55
|
35
|
35
|
52
|
64
|
30
|
55
|
57
|
63
|
69
|
75
|
59
|
46
|
36
|
30
|
38
|
38
|
45
|
44
|
55
|
36
|
33
|
32
|
21
|
18
|
25
|
30
|
47
|
43
|
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