Air Quality
Excellent
No health implications.
17
PM2.5
27
PM10
52
O3
0.7
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Aug
47
Excellent
Tue
25 Aug
43
Excellent
Wed
26 Aug
46
Excellent
Thu
27 Aug
51
Good
Fri
28 Aug
48
Excellent
Sat
29 Aug
50
Excellent
Sun
30 Aug
45
Excellent
Air quality in the last 12 months (Youyang)
|
2026/07
|
25
|
23
|
17
|
18
|
18
|
17
|
22
|
23
|
22
|
21
|
22
|
19
|
22
|
27
|
29
|
24
|
21
|
19
|
27
|
29
|
30
|
31
|
31
|
29
|
23
|
22
|
23
|
18
|
22
|
25
|
22
|
|
2026/06
|
46
|
42
|
38
|
39
|
50
|
49
|
41
|
29
|
30
|
33
|
33
|
30
|
31
|
38
|
33
|
32
|
34
|
26
|
20
|
19
|
21
|
18
|
22
|
18
|
18
|
25
|
30
|
35
|
29
|
23
|
|
|
2026/05
|
37
|
30
|
31
|
38
|
39
|
41
|
36
|
31
|
30
|
29
|
36
|
40
|
30
|
27
|
34
|
30
|
23
|
26
|
20
|
22
|
23
|
20
|
21
|
22
|
39
|
33
|
19
|
22
|
33
|
31
|
39
|
|
2026/04
|
26
|
24
|
27
|
38
|
43
|
33
|
39
|
23
|
37
|
41
|
31
|
31
|
29
|
24
|
22
|
23
|
31
|
36
|
36
|
30
|
23
|
17
|
21
|
36
|
43
|
49
|
29
|
25
|
32
|
37
|
|
|
2026/03
|
22
|
20
|
26
|
27
|
38
|
38
|
41
|
22
|
26
|
33
|
36
|
51
|
55
|
53
|
32
|
23
|
23
|
23
|
42
|
42
|
34
|
36
|
34
|
24
|
22
|
20
|
29
|
33
|
28
|
22
|
32
|
|
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
|
|
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