Air Quality
Excellent
No health implications.
15
PM2.5
33
PM10
118
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Jul
90
Good
Sat
5 Jul
99
Good
Sun
6 Jul
105
Light
Mon
7 Jul
93
Good
Tue
8 Jul
102
Light
Wed
9 Jul
87
Good
Thu
10 Jul
47
Excellent
Air quality in the last 12 months (Yucheng)
|
2025/05
|
57
|
86
|
53
|
54
|
75
|
120
|
80
|
68
|
46
|
31
|
52
|
55
|
53
|
57
|
77
|
79
|
128
|
76
|
91
|
59
|
57
|
71
|
65
|
59
|
51
|
50
|
60
|
60
|
63
|
64
|
77
|
|
2025/04
|
68
|
54
|
54
|
68
|
86
|
77
|
75
|
83
|
88
|
102
|
75
|
209
|
87
|
56
|
54
|
74
|
87
|
71
|
50
|
63
|
54
|
72
|
88
|
84
|
63
|
58
|
63
|
45
|
48
|
69
|
|
|
2025/03
|
159
|
51
|
36
|
45
|
69
|
82
|
74
|
82
|
103
|
94
|
112
|
156
|
107
|
56
|
64
|
46
|
52
|
55
|
59
|
55
|
52
|
66
|
84
|
193
|
93
|
85
|
125
|
121
|
60
|
58
|
75
|
|
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
|
|
|
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