Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
24
O3
0.6
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
27
Excellent
Thu
23 Oct
22
Excellent
Fri
24 Oct
23
Excellent
Sat
25 Oct
28
Excellent
Sun
26 Oct
34
Excellent
Mon
27 Oct
25
Excellent
Tue
28 Oct
44
Excellent
Air quality in the last 12 months (Youxian)
|
2025/08
|
41
|
36
|
40
|
40
|
44
|
31
|
21
|
25
|
22
|
15
|
27
|
30
|
30
|
38
|
36
|
22
|
25
|
21
|
35
|
38
|
23
|
14
|
18
|
15
|
16
|
31
|
32
|
17
|
10
|
14
|
29
|
|
2025/07
|
15
|
21
|
23
|
25
|
16
|
19
|
20
|
17
|
20
|
25
|
14
|
27
|
35
|
37
|
40
|
46
|
44
|
29
|
20
|
21
|
19
|
25
|
14
|
15
|
17
|
21
|
25
|
34
|
37
|
31
|
33
|
|
2025/06
|
28
|
30
|
41
|
44
|
47
|
65
|
54
|
48
|
36
|
35
|
31
|
53
|
55
|
51
|
52
|
46
|
52
|
17
|
30
|
34
|
36
|
20
|
24
|
21
|
23
|
27
|
35
|
40
|
30
|
15
|
|
|
2025/05
|
50
|
57
|
62
|
61
|
35
|
46
|
38
|
36
|
207
|
115
|
70
|
69
|
46
|
53
|
63
|
137
|
122
|
150
|
109
|
79
|
95
|
71
|
70
|
61
|
54
|
57
|
49
|
28
|
43
|
36
|
27
|
|
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
|
|
|
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