Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
46
O3
0.7
CO
7
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
40
Excellent
Thu
2 May
50
Excellent
Fri
3 May
51
Good
Sat
4 May
46
Excellent
Sun
5 May
84
Good
Mon
6 May
95
Good
Tue
7 May
80
Good
Air quality in the last 12 months (Youxian)
|
2024/02
|
73
|
52
|
22
|
29
|
36
|
50
|
47
|
61
|
102
|
173
|
124
|
93
|
81
|
81
|
46
|
38
|
50
|
55
|
224
|
319
|
45
|
50
|
29
|
46
|
59
|
65
|
65
|
62
|
50
|
||
|
2024/01
|
176
|
101
|
80
|
84
|
107
|
100
|
93
|
102
|
119
|
105
|
98
|
131
|
182
|
116
|
70
|
35
|
41
|
51
|
32
|
35
|
36
|
36
|
40
|
29
|
41
|
50
|
54
|
61
|
87
|
99
|
97
|
|
2023/12
|
31
|
45
|
65
|
78
|
61
|
80
|
83
|
94
|
110
|
126
|
83
|
64
|
61
|
40
|
52
|
51
|
53
|
57
|
73
|
69
|
72
|
88
|
104
|
85
|
85
|
116
|
143
|
155
|
126
|
167
|
159
|
|
2023/11
|
85
|
89
|
68
|
42
|
44
|
36
|
48
|
49
|
52
|
52
|
32
|
44
|
24
|
17
|
24
|
48
|
58
|
65
|
94
|
112
|
119
|
92
|
75
|
80
|
72
|
44
|
51
|
60
|
54
|
42
|
|
|
2023/10
|
37
|
30
|
29
|
23
|
24
|
18
|
25
|
30
|
28
|
31
|
26
|
19
|
25
|
38
|
47
|
62
|
46
|
27
|
23
|
36
|
51
|
58
|
70
|
75
|
100
|
77
|
37
|
33
|
51
|
74
|
62
|
|
2023/09
|
38
|
40
|
58
|
66
|
67
|
57
|
51
|
51
|
40
|
27
|
28
|
25
|
31
|
28
|
36
|
45
|
50
|
29
|
23
|
24
|
28
|
20
|
19
|
17
|
17
|
18
|
17
|
27
|
30
|
22
|
|
|
2023/08
|
30
|
29
|
19
|
24
|
24
|
25
|
23
|
23
|
28
|
28
|
24
|
26
|
39
|
40
|
44
|
43
|
41
|
53
|
35
|
28
|
54
|
54
|
37
|
33
|
38
|
22
|
30
|
31
|
39
|
36
|
49
|
|
2023/07
|
46
|
45
|
30
|
30
|
44
|
51
|
49
|
64
|
53
|
62
|
43
|
26
|
22
|
31
|
48
|
65
|
50
|
40
|
43
|
34
|
33
|
40
|
39
|
30
|
33
|
26
|
20
|
21
|
24
|
37
|
36
|
|
2023/06
|
28
|
24
|
21
|
21
|
32
|
34
|
34
|
48
|
75
|
86
|
59
|
48
|
51
|
52
|
35
|
26
|
22
|
32
|
37
|
50
|
40
|
39
|
45
|
46
|
40
|
58
|
48
|
39
|
46
|
60
|
|
|
2023/05
|
64
|
48
|
48
|
49
|
69
|
36
|
26
|
22
|
17
|
19
|
38
|
53
|
71
|
65
|
85
|
77
|
73
|
51
|
51
|
45
|
48
|
37
|
47
|
47
|
50
|
37
|
25
|
35
|
43
|
40
|
32
|
|
2023/04
|
64
|
54
|
27
|
31
|
25
|
58
|
74
|
73
|
66
|
79
|
83
|
68
|
37
|
54
|
74
|
70
|
62
|
62
|
60
|
45
|
66
|
21
|
20
|
23
|
38
|
47
|
61
|
64
|
55
|
70
|
|
|
2023/03
|
55
|
65
|
71
|
71
|
72
|
66
|
53
|
56
|
74
|
54
|
57
|
69
|
52
|
56
|
66
|
44
|
30
|
36
|
32
|
25
|
45
|
63
|
35
|
21
|
30
|
23
|
30
|
28
|
43
|
49
|
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