Air Quality
Excellent
No health implications.
17
PM2.5
25
PM10
106
O3
0.4
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
66
Good
Fri
26 Apr
74
Good
Sat
27 Apr
91
Good
Sun
28 Apr
67
Good
Mon
29 Apr
71
Good
Tue
30 Apr
61
Good
Wed
1 May
63
Good
Air quality in the last 12 months (Yucheng)
|
2024/02
|
67
|
59
|
27
|
36
|
47
|
46
|
51
|
54
|
45
|
91
|
88
|
88
|
79
|
95
|
34
|
33
|
48
|
68
|
86
|
178
|
66
|
52
|
39
|
49
|
75
|
98
|
100
|
78
|
40
|
||
|
2024/01
|
194
|
68
|
55
|
103
|
65
|
70
|
115
|
85
|
95
|
102
|
123
|
147
|
194
|
129
|
71
|
78
|
90
|
98
|
92
|
41
|
32
|
32
|
46
|
45
|
59
|
52
|
77
|
100
|
117
|
139
|
101
|
|
2023/12
|
43
|
61
|
64
|
79
|
90
|
46
|
60
|
96
|
106
|
113
|
64
|
77
|
86
|
70
|
45
|
58
|
63
|
62
|
68
|
103
|
95
|
77
|
139
|
74
|
106
|
130
|
115
|
185
|
130
|
109
|
245
|
|
2023/11
|
55
|
40
|
23
|
33
|
31
|
43
|
56
|
73
|
49
|
82
|
38
|
22
|
21
|
35
|
27
|
30
|
45
|
61
|
64
|
79
|
65
|
30
|
46
|
81
|
88
|
24
|
48
|
46
|
58
|
48
|
|
|
2023/10
|
25
|
20
|
16
|
18
|
15
|
12
|
17
|
19
|
13
|
22
|
26
|
16
|
15
|
21
|
34
|
48
|
71
|
28
|
13
|
21
|
34
|
51
|
66
|
72
|
51
|
26
|
20
|
30
|
52
|
63
|
49
|
|
2023/09
|
20
|
28
|
36
|
45
|
55
|
56
|
53
|
41
|
48
|
27
|
23
|
19
|
27
|
35
|
41
|
43
|
51
|
27
|
26
|
22
|
19
|
23
|
16
|
14
|
12
|
23
|
29
|
26
|
22
|
30
|
|
|
2023/08
|
26
|
25
|
24
|
20
|
22
|
21
|
26
|
28
|
26
|
23
|
27
|
19
|
25
|
29
|
29
|
33
|
38
|
34
|
43
|
27
|
24
|
33
|
33
|
21
|
20
|
18
|
23
|
28
|
28
|
21
|
24
|
|
2023/07
|
35
|
37
|
41
|
22
|
33
|
37
|
41
|
46
|
66
|
61
|
50
|
17
|
17
|
28
|
34
|
32
|
43
|
46
|
53
|
45
|
40
|
39
|
45
|
25
|
25
|
17
|
17
|
19
|
25
|
31
|
25
|
|
2023/06
|
20
|
28
|
18
|
16
|
20
|
24
|
30
|
25
|
24
|
28
|
28
|
40
|
32
|
23
|
27
|
44
|
37
|
28
|
23
|
27
|
27
|
28
|
42
|
50
|
53
|
67
|
63
|
41
|
36
|
28
|
|
|
2023/05
|
55
|
61
|
58
|
51
|
46
|
46
|
27
|
19
|
15
|
16
|
15
|
29
|
32
|
32
|
38
|
51
|
49
|
34
|
39
|
59
|
32
|
31
|
33
|
48
|
51
|
26
|
37
|
26
|
31
|
45
|
58
|
|
2023/04
|
48
|
61
|
35
|
30
|
23
|
37
|
69
|
68
|
70
|
74
|
50
|
39
|
37
|
28
|
46
|
55
|
69
|
35
|
43
|
43
|
26
|
16
|
17
|
21
|
26
|
32
|
42
|
47
|
36
|
51
|
|
|
2023/03
|
56
|
58
|
52
|
56
|
58
|
69
|
94
|
59
|
33
|
39
|
50
|
28
|
23
|
44
|
49
|
61
|
60
|
47
|
31
|
36
|
28
|
41
|
38
|
20
|
26
|
29
|
18
|
21
|
27
|
42
|
53
|
|
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