Air Quality
Excellent
No health implications.
19
PM2.5
31
PM10
59
O3
0.5
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
48
Excellent
Sun
1 Jun
65
Good
Mon
2 Jun
69
Good
Tue
3 Jun
64
Good
Wed
4 Jun
74
Good
Thu
5 Jun
73
Good
Fri
6 Jun
42
Excellent
Air quality in the last 12 months (Youxian)
|
2025/04
|
50
|
65
|
59
|
64
|
56
|
45
|
61
|
63
|
67
|
53
|
53
|
210
|
188
|
94
|
92
|
85
|
73
|
70
|
63
|
62
|
58
|
69
|
77
|
39
|
44
|
37
|
34
|
47
|
34
|
36
|
|
|
2025/03
|
61
|
61
|
43
|
21
|
27
|
31
|
33
|
58
|
37
|
58
|
61
|
82
|
56
|
26
|
36
|
36
|
50
|
54
|
52
|
62
|
65
|
66
|
71
|
54
|
55
|
57
|
160
|
75
|
64
|
34
|
41
|
|
2025/02
|
53
|
52
|
41
|
62
|
38
|
35
|
34
|
28
|
47
|
60
|
67
|
60
|
59
|
49
|
50
|
62
|
47
|
50
|
63
|
49
|
40
|
33
|
40
|
28
|
24
|
43
|
59
|
63
|
|||
|
2025/01
|
101
|
96
|
111
|
121
|
71
|
83
|
60
|
46
|
55
|
54
|
47
|
57
|
72
|
69
|
66
|
41
|
69
|
51
|
85
|
99
|
114
|
144
|
155
|
75
|
37
|
71
|
73
|
81
|
171
|
97
|
61
|
|
2024/12
|
89
|
91
|
82
|
58
|
46
|
32
|
36
|
24
|
25
|
42
|
49
|
51
|
37
|
56
|
69
|
89
|
107
|
119
|
84
|
64
|
53
|
54
|
80
|
66
|
65
|
88
|
92
|
71
|
78
|
76
|
85
|
|
2024/11
|
29
|
24
|
36
|
26
|
29
|
36
|
59
|
82
|
52
|
28
|
35
|
27
|
27
|
41
|
45
|
25
|
17
|
7
|
10
|
33
|
32
|
47
|
61
|
29
|
12
|
30
|
41
|
52
|
62
|
76
|
|
|
2024/10
|
27
|
26
|
31
|
23
|
44
|
58
|
55
|
56
|
45
|
40
|
40
|
34
|
28
|
39
|
50
|
54
|
29
|
39
|
19
|
10
|
14
|
30
|
43
|
47
|
40
|
26
|
18
|
37
|
50
|
40
|
30
|
|
2024/09
|
39
|
43
|
50
|
46
|
29
|
33
|
38
|
42
|
33
|
15
|
20
|
24
|
32
|
33
|
25
|
31
|
37
|
43
|
43
|
38
|
17
|
25
|
32
|
48
|
52
|
63
|
88
|
76
|
37
|
12
|
|
|
2024/08
|
46
|
45
|
30
|
14
|
25
|
35
|
28
|
30
|
33
|
47
|
47
|
50
|
52
|
55
|
34
|
28
|
36
|
30
|
41
|
49
|
50
|
53
|
51
|
40
|
44
|
37
|
37
|
35
|
30
|
29
|
41
|
|
2024/07
|
20
|
31
|
19
|
21
|
23
|
37
|
18
|
12
|
12
|
19
|
34
|
40
|
22
|
15
|
13
|
24
|
18
|
17
|
22
|
21
|
21
|
24
|
30
|
32
|
59
|
62
|
42
|
34
|
27
|
30
|
39
|
|
2024/06
|
46
|
27
|
36
|
26
|
32
|
29
|
39
|
35
|
28
|
40
|
49
|
33
|
49
|
43
|
52
|
34
|
17
|
29
|
41
|
24
|
26
|
32
|
44
|
67
|
29
|
30
|
22
|
33
|
46
|
36
|
|
|
2024/05
|
18
|
18
|
13
|
30
|
106
|
111
|
78
|
88
|
75
|
61
|
51
|
64
|
58
|
59
|
55
|
56
|
54
|
70
|
33
|
29
|
35
|
42
|
50
|
53
|
41
|
32
|
32
|
27
|
22
|
35
|
51
|
|
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