Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
30
O3
0.6
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Oct
36
Excellent
Fri
17 Oct
32
Excellent
Sat
18 Oct
29
Excellent
Sun
19 Oct
29
Excellent
Mon
20 Oct
29
Excellent
Tue
21 Oct
30
Excellent
Wed
22 Oct
48
Excellent
Air quality in the last 12 months (Youyang)
|
2025/08
|
21
|
22
|
24
|
23
|
23
|
22
|
19
|
13
|
18
|
20
|
15
|
12
|
15
|
15
|
13
|
14
|
17
|
19
|
19
|
14
|
14
|
17
|
20
|
19
|
17
|
18
|
21
|
22
|
27
|
26
|
27
|
|
2025/07
|
17
|
17
|
18
|
15
|
15
|
17
|
19
|
22
|
25
|
22
|
22
|
25
|
23
|
19
|
18
|
17
|
18
|
18
|
22
|
22
|
16
|
14
|
11
|
12
|
13
|
16
|
18
|
16
|
18
|
17
|
18
|
|
2025/06
|
15
|
17
|
25
|
26
|
27
|
31
|
30
|
26
|
23
|
24
|
28
|
28
|
27
|
21
|
26
|
24
|
19
|
17
|
13
|
13
|
12
|
16
|
17
|
23
|
14
|
15
|
17
|
18
|
17
|
20
|
|
|
2025/05
|
41
|
54
|
44
|
44
|
32
|
32
|
45
|
22
|
27
|
27
|
34
|
32
|
34
|
51
|
37
|
32
|
37
|
36
|
38
|
38
|
34
|
22
|
33
|
46
|
41
|
33
|
28
|
20
|
29
|
29
|
20
|
|
2025/04
|
37
|
44
|
47
|
53
|
55
|
55
|
51
|
52
|
51
|
45
|
46
|
67
|
153
|
91
|
66
|
60
|
56
|
54
|
30
|
27
|
29
|
29
|
36
|
29
|
40
|
35
|
27
|
29
|
27
|
21
|
|
|
2025/03
|
46
|
59
|
32
|
25
|
27
|
26
|
33
|
37
|
40
|
45
|
51
|
51
|
55
|
35
|
22
|
34
|
41
|
32
|
34
|
39
|
48
|
58
|
53
|
49
|
46
|
56
|
70
|
61
|
35
|
33
|
38
|
|
2025/02
|
39
|
29
|
40
|
44
|
53
|
56
|
45
|
69
|
50
|
46
|
49
|
69
|
57
|
39
|
43
|
46
|
38
|
36
|
36
|
41
|
73
|
44
|
47
|
83
|
58
|
44
|
48
|
53
|
|||
|
2025/01
|
94
|
106
|
105
|
111
|
91
|
73
|
57
|
55
|
49
|
66
|
68
|
64
|
71
|
67
|
67
|
65
|
72
|
89
|
79
|
87
|
101
|
148
|
159
|
74
|
29
|
31
|
45
|
72
|
149
|
77
|
58
|
|
2024/12
|
52
|
66
|
79
|
60
|
30
|
41
|
40
|
39
|
44
|
30
|
32
|
52
|
63
|
65
|
56
|
52
|
62
|
69
|
78
|
90
|
103
|
71
|
74
|
71
|
70
|
85
|
77
|
86
|
98
|
109
|
89
|
|
2024/11
|
58
|
51
|
54
|
52
|
48
|
46
|
46
|
43
|
39
|
31
|
36
|
47
|
50
|
46
|
59
|
54
|
19
|
16
|
16
|
17
|
18
|
21
|
36
|
23
|
20
|
20
|
25
|
28
|
34
|
40
|
|
|
2024/10
|
19
|
22
|
31
|
35
|
38
|
45
|
37
|
27
|
37
|
49
|
59
|
62
|
39
|
29
|
28
|
26
|
24
|
23
|
21
|
16
|
18
|
22
|
24
|
26
|
27
|
31
|
42
|
37
|
31
|
32
|
43
|
|
2024/09
|
25
|
29
|
32
|
33
|
40
|
36
|
36
|
31
|
22
|
27
|
26
|
31
|
26
|
21
|
32
|
34
|
26
|
21
|
25
|
29
|
31
|
25
|
29
|
30
|
33
|
39
|
43
|
46
|
57
|
36
|
|
|
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