Air Quality
Excellent
No health implications.
19
PM2.5
41
PM10
43
O3
0.6
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
65
Good
Tue
24 Feb
62
Good
Wed
25 Feb
52
Good
Thu
26 Feb
50
Excellent
Fri
27 Feb
56
Good
Sat
28 Feb
19
Excellent
Sun
1 Mar
25
Excellent
Air quality in the last 12 months (Youyang)
|
2026/01
|
19
|
40
|
45
|
39
|
50
|
41
|
49
|
49
|
53
|
81
|
64
|
64
|
77
|
116
|
96
|
105
|
106
|
108
|
52
|
27
|
58
|
53
|
58
|
57
|
39
|
30
|
67
|
63
|
39
|
23
|
36
|
|
2025/12
|
66
|
79
|
69
|
62
|
66
|
58
|
65
|
54
|
61
|
73
|
71
|
110
|
32
|
40
|
47
|
56
|
63
|
62
|
77
|
69
|
40
|
35
|
24
|
40
|
45
|
50
|
59
|
59
|
77
|
94
|
45
|
|
2025/11
|
24
|
26
|
23
|
24
|
26
|
16
|
16
|
15
|
13
|
26
|
34
|
30
|
30
|
34
|
40
|
43
|
40
|
19
|
24
|
29
|
32
|
40
|
40
|
36
|
43
|
42
|
44
|
54
|
57
|
62
|
|
|
2025/10
|
21
|
21
|
23
|
23
|
24
|
25
|
23
|
26
|
26
|
25
|
27
|
39
|
23
|
12
|
17
|
12
|
14
|
12
|
11
|
13
|
14
|
19
|
24
|
28
|
40
|
34
|
25
|
29
|
34
|
31
|
25
|
|
2025/09
|
23
|
21
|
22
|
19
|
24
|
29
|
24
|
24
|
16
|
14
|
17
|
24
|
15
|
16
|
20
|
21
|
21
|
21
|
16
|
14
|
21
|
20
|
17
|
17
|
19
|
15
|
18
|
20
|
29
|
27
|
|
|
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
|
|||
|
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