Air Quality
Excellent
No health implications.
3
PM2.5
18
PM10
44
O3
0.9
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
31
Excellent
Thu
19 Mar
37
Excellent
Fri
20 Mar
41
Excellent
Sat
21 Mar
42
Excellent
Sun
22 Mar
45
Excellent
Mon
23 Mar
33
Excellent
Tue
24 Mar
36
Excellent
Air quality in the last 12 months (Youyang)
|
2026/02
|
34
|
47
|
62
|
72
|
71
|
50
|
92
|
62
|
47
|
43
|
50
|
57
|
61
|
64
|
73
|
35
|
54
|
44
|
42
|
54
|
53
|
50
|
31
|
30
|
47
|
24
|
22
|
19
|
|||
|
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
|
|
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