Air Quality
Excellent
No health implications.
7
PM2.5
30
PM10
63
O3
0.4
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
59
Good
Tue
20 Jan
56
Good
Wed
21 Jan
72
Good
Thu
22 Jan
78
Good
Fri
23 Jan
118
Light
Sat
24 Jan
119
Light
Sun
25 Jan
30
Excellent
Air quality in the last 12 months (Yucheng)
|
2025/11
|
97
|
47
|
59
|
68
|
75
|
99
|
107
|
80
|
66
|
65
|
74
|
85
|
69
|
94
|
143
|
112
|
37
|
51
|
60
|
69
|
74
|
107
|
100
|
162
|
37
|
115
|
83
|
138
|
144
|
155
|
|
|
2025/10
|
55
|
24
|
27
|
38
|
16
|
15
|
28
|
35
|
10
|
10
|
17
|
15
|
31
|
54
|
64
|
52
|
43
|
28
|
42
|
39
|
49
|
57
|
61
|
72
|
75
|
67
|
81
|
102
|
65
|
69
|
97
|
|
2025/09
|
26
|
37
|
49
|
57
|
43
|
40
|
54
|
50
|
33
|
47
|
55
|
54
|
57
|
50
|
39
|
26
|
26
|
41
|
20
|
25
|
52
|
32
|
36
|
34
|
51
|
50
|
26
|
44
|
54
|
53
|
|
|
2025/08
|
38
|
29
|
36
|
44
|
33
|
35
|
49
|
39
|
15
|
30
|
38
|
29
|
38
|
49
|
29
|
15
|
17
|
31
|
40
|
28
|
31
|
29
|
22
|
33
|
29
|
38
|
36
|
20
|
33
|
32
|
19
|
|
2025/07
|
15
|
19
|
27
|
34
|
35
|
35
|
35
|
33
|
32
|
60
|
43
|
51
|
48
|
33
|
43
|
33
|
34
|
36
|
50
|
46
|
28
|
13
|
13
|
29
|
31
|
28
|
22
|
33
|
25
|
29
|
35
|
|
2025/06
|
64
|
58
|
43
|
35
|
68
|
68
|
87
|
70
|
91
|
42
|
67
|
67
|
61
|
55
|
29
|
28
|
38
|
53
|
18
|
32
|
41
|
41
|
41
|
49
|
57
|
52
|
49
|
35
|
16
|
17
|
|
|
2025/05
|
54
|
70
|
42
|
47
|
69
|
55
|
66
|
70
|
35
|
29
|
52
|
58
|
62
|
58
|
45
|
76
|
83
|
74
|
93
|
70
|
66
|
68
|
58
|
50
|
47
|
52
|
57
|
63
|
58
|
61
|
59
|
|
2025/04
|
73
|
34
|
59
|
82
|
58
|
77
|
93
|
97
|
61
|
81
|
82
|
159
|
53
|
61
|
55
|
86
|
130
|
77
|
40
|
65
|
57
|
76
|
75
|
57
|
71
|
71
|
56
|
51
|
60
|
91
|
|
|
2025/03
|
119
|
38
|
39
|
51
|
90
|
91
|
99
|
86
|
90
|
84
|
91
|
138
|
92
|
66
|
63
|
41
|
54
|
36
|
59
|
55
|
56
|
67
|
95
|
141
|
139
|
101
|
117
|
101
|
49
|
56
|
80
|
|
2025/02
|
73
|
112
|
41
|
31
|
51
|
100
|
48
|
40
|
60
|
67
|
73
|
84
|
70
|
74
|
83
|
69
|
53
|
66
|
65
|
77
|
78
|
53
|
53
|
52
|
69
|
88
|
100
|
115
|
|||
|
2025/01
|
127
|
62
|
69
|
131
|
167
|
43
|
56
|
54
|
55
|
58
|
90
|
96
|
83
|
102
|
52
|
70
|
76
|
100
|
115
|
81
|
142
|
73
|
113
|
167
|
76
|
85
|
35
|
69
|
128
|
124
|
62
|
|
2024/12
|
97
|
68
|
63
|
87
|
110
|
119
|
42
|
57
|
76
|
120
|
79
|
70
|
71
|
68
|
69
|
85
|
88
|
42
|
73
|
83
|
47
|
51
|
68
|
111
|
151
|
62
|
67
|
63
|
82
|
107
|
88
|
|
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