Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
41
O3
0.5
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
35
Excellent
Mon
2 Jun
44
Excellent
Tue
3 Jun
47
Excellent
Wed
4 Jun
51
Good
Thu
5 Jun
55
Good
Fri
6 Jun
46
Excellent
Sat
7 Jun
38
Excellent
Air quality in the last 12 months (Youyang)
|
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
|
|
|
2024/08
|
13
|
14
|
16
|
15
|
16
|
16
|
19
|
23
|
25
|
24
|
38
|
44
|
28
|
25
|
30
|
30
|
21
|
17
|
21
|
21
|
21
|
25
|
21
|
18
|
17
|
17
|
21
|
21
|
21
|
21
|
21
|
|
2024/07
|
18
|
21
|
18
|
18
|
23
|
18
|
16
|
21
|
20
|
21
|
21
|
21
|
24
|
22
|
19
|
21
|
20
|
20
|
16
|
16
|
17
|
18
|
17
|
15
|
17
|
24
|
22
|
20
|
14
|
15
|
13
|
|
2024/06
|
26
|
27
|
24
|
21
|
20
|
17
|
23
|
23
|
16
|
16
|
18
|
19
|
20
|
21
|
28
|
28
|
17
|
14
|
16
|
13
|
19
|
22
|
22
|
23
|
22
|
16
|
15
|
12
|
16
|
17
|
|
|
2024/05
|
21
|
22
|
15
|
16
|
24
|
27
|
32
|
37
|
40
|
38
|
26
|
26
|
29
|
33
|
32
|
49
|
47
|
33
|
14
|
21
|
25
|
30
|
26
|
29
|
28
|
29
|
16
|
32
|
23
|
16
|
24
|
|
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