Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
30
O3
0.6
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
58
Good
Sat
13 Sep
59
Good
Sun
14 Sep
62
Good
Mon
15 Sep
50
Excellent
Tue
16 Sep
43
Excellent
Wed
17 Sep
45
Excellent
Thu
18 Sep
39
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