Air Quality
Excellent
No health implications.
29
PM2.5
38
PM10
66
O3
0.4
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
93
Good
Tue
29 Apr
101
Light
Wed
30 Apr
105
Light
Thu
1 May
101
Light
Fri
2 May
97
Good
Sat
3 May
87
Good
Sun
4 May
48
Excellent
Air quality in the last 12 months (Yucheng)
|
2025/02
|
113
|
144
|
150
|
82
|
61
|
61
|
83
|
45
|
57
|
71
|
109
|
133
|
125
|
82
|
91
|
78
|
63
|
73
|
96
|
57
|
64
|
105
|
90
|
45
|
74
|
103
|
111
|
103
|
|||
|
2025/01
|
146
|
157
|
112
|
174
|
143
|
67
|
60
|
67
|
50
|
60
|
83
|
70
|
93
|
157
|
57
|
74
|
98
|
122
|
143
|
125
|
186
|
233
|
132
|
137
|
144
|
86
|
47
|
71
|
256
|
138
|
109
|
|
2024/12
|
79
|
87
|
66
|
106
|
160
|
173
|
107
|
48
|
59
|
108
|
128
|
91
|
100
|
79
|
64
|
88
|
108
|
50
|
59
|
113
|
71
|
52
|
83
|
114
|
162
|
163
|
83
|
72
|
66
|
103
|
116
|
|
2024/11
|
156
|
104
|
113
|
84
|
59
|
77
|
60
|
46
|
60
|
93
|
125
|
118
|
111
|
91
|
101
|
79
|
52
|
44
|
39
|
57
|
93
|
99
|
59
|
53
|
52
|
48
|
65
|
55
|
52
|
67
|
|
|
2024/10
|
41
|
40
|
47
|
53
|
51
|
59
|
94
|
95
|
83
|
125
|
66
|
112
|
94
|
125
|
133
|
108
|
53
|
22
|
33
|
37
|
56
|
80
|
76
|
60
|
89
|
86
|
127
|
127
|
128
|
118
|
104
|
|
2024/09
|
42
|
36
|
37
|
44
|
49
|
27
|
47
|
43
|
39
|
45
|
36
|
28
|
55
|
61
|
40
|
51
|
39
|
12
|
27
|
33
|
24
|
30
|
39
|
44
|
50
|
57
|
63
|
43
|
42
|
33
|
|
|
2024/08
|
22
|
21
|
26
|
26
|
22
|
11
|
25
|
17
|
38
|
58
|
109
|
43
|
48
|
51
|
37
|
40
|
40
|
37
|
20
|
29
|
44
|
39
|
49
|
54
|
55
|
39
|
20
|
30
|
39
|
38
|
46
|
|
2024/07
|
43
|
33
|
31
|
13
|
22
|
14
|
23
|
17
|
25
|
65
|
49
|
46
|
56
|
37
|
33
|
16
|
14
|
25
|
24
|
18
|
26
|
30
|
31
|
39
|
37
|
33
|
18
|
13
|
18
|
22
|
24
|
|
2024/06
|
51
|
68
|
86
|
85
|
76
|
67
|
46
|
64
|
58
|
59
|
46
|
52
|
57
|
54
|
59
|
48
|
42
|
47
|
54
|
50
|
47
|
48
|
60
|
104
|
92
|
55
|
59
|
34
|
23
|
25
|
|
|
2024/05
|
50
|
48
|
50
|
46
|
59
|
63
|
58
|
57
|
56
|
72
|
174
|
112
|
92
|
73
|
106
|
62
|
70
|
66
|
59
|
61
|
51
|
46
|
44
|
60
|
59
|
62
|
43
|
51
|
57
|
69
|
106
|
|
2024/04
|
75
|
95
|
64
|
41
|
53
|
49
|
54
|
64
|
75
|
70
|
54
|
60
|
53
|
23
|
37
|
66
|
83
|
66
|
70
|
70
|
73
|
65
|
91
|
94
|
75
|
73
|
51
|
37
|
64
|
55
|
|
|
2024/03
|
70
|
76
|
75
|
96
|
130
|
93
|
108
|
52
|
51
|
95
|
94
|
85
|
81
|
62
|
57
|
102
|
123
|
68
|
97
|
91
|
80
|
76
|
78
|
52
|
55
|
55
|
64
|
74
|
63
|
81
|
83
|
|
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