Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
*
PM2.5
48
PM10
27
O3
0.7
CO
4
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Jan
75
Good
Sat
31 Jan
66
Good
Sun
1 Feb
82
Good
Mon
2 Feb
69
Good
Tue
3 Feb
83
Good
Wed
4 Feb
45
Excellent
Thu
5 Feb
35
Excellent
Air quality in the last 12 months (Yucheng)
|
2025/12
|
85
|
92
|
46
|
64
|
64
|
82
|
46
|
88
|
111
|
65
|
87
|
62
|
37
|
65
|
75
|
81
|
50
|
100
|
102
|
58
|
58
|
73
|
53
|
54
|
58
|
72
|
86
|
81
|
140
|
121
|
70
|
|
2025/11
|
9
|
22
|
29
|
23
|
25
|
22
|
18
|
20
|
34
|
38
|
18
|
13
|
25
|
25
|
23
|
49
|
19
|
28
|
24
|
32
|
42
|
62
|
45
|
70
|
78
|
88
|
52
|
62
|
82
|
58
|
|
|
2025/10
|
30
|
17
|
31
|
30
|
19
|
17
|
18
|
22
|
27
|
40
|
24
|
14
|
16
|
31
|
40
|
52
|
27
|
16
|
21
|
8
|
13
|
20
|
10
|
8
|
12
|
11
|
14
|
30
|
23
|
30
|
16
|
|
2025/09
|
30
|
32
|
23
|
42
|
36
|
33
|
55
|
34
|
30
|
36
|
21
|
11
|
20
|
37
|
44
|
19
|
16
|
15
|
11
|
20
|
25
|
10
|
13
|
18
|
26
|
41
|
49
|
18
|
9
|
18
|
|
|
2025/08
|
33
|
32
|
35
|
40
|
40
|
27
|
19
|
32
|
19
|
12
|
13
|
24
|
26
|
24
|
27
|
31
|
20
|
15
|
19
|
25
|
15
|
16
|
23
|
17
|
21
|
28
|
26
|
13
|
9
|
9
|
22
|
|
2025/07
|
23
|
25
|
24
|
19
|
9
|
18
|
16
|
29
|
24
|
29
|
14
|
21
|
26
|
36
|
40
|
44
|
45
|
43
|
24
|
22
|
17
|
21
|
25
|
20
|
20
|
10
|
19
|
22
|
26
|
23
|
33
|
|
2025/06
|
12
|
17
|
27
|
35
|
40
|
33
|
42
|
17
|
22
|
27
|
27
|
32
|
40
|
44
|
25
|
28
|
33
|
36
|
9
|
20
|
21
|
26
|
21
|
11
|
11
|
21
|
27
|
34
|
22
|
12
|
|
|
2025/05
|
30
|
37
|
24
|
41
|
16
|
17
|
28
|
17
|
58
|
73
|
54
|
45
|
38
|
34
|
30
|
29
|
22
|
31
|
31
|
42
|
49
|
44
|
35
|
37
|
45
|
59
|
28
|
16
|
30
|
27
|
12
|
|
2025/04
|
39
|
44
|
58
|
54
|
17
|
30
|
41
|
40
|
42
|
51
|
49
|
87
|
69
|
55
|
56
|
70
|
57
|
51
|
43
|
51
|
51
|
52
|
61
|
27
|
37
|
32
|
20
|
22
|
18
|
23
|
|
|
2025/03
|
75
|
63
|
34
|
38
|
26
|
15
|
21
|
20
|
42
|
57
|
58
|
56
|
80
|
50
|
17
|
22
|
19
|
11
|
22
|
33
|
27
|
23
|
26
|
32
|
40
|
49
|
79
|
99
|
60
|
57
|
55
|
|
2025/02
|
27
|
26
|
33
|
42
|
40
|
30
|
21
|
24
|
33
|
35
|
46
|
32
|
45
|
55
|
36
|
62
|
58
|
58
|
20
|
44
|
44
|
20
|
34
|
34
|
10
|
22
|
88
|
46
|
|||
|
2025/01
|
81
|
78
|
80
|
149
|
81
|
105
|
73
|
45
|
37
|
62
|
29
|
65
|
66
|
61
|
67
|
65
|
81
|
36
|
45
|
75
|
109
|
127
|
158
|
69
|
29
|
35
|
68
|
43
|
105
|
97
|
56
|
|
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