Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
56
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
59
Good
Wed
17 Sep
68
Good
Thu
18 Sep
68
Good
Fri
19 Sep
73
Good
Sat
20 Sep
74
Good
Sun
21 Sep
75
Good
Mon
22 Sep
32
Excellent
Air quality in the last 12 months (Yucheng)
|
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
|
|
2024/12
|
62
|
60
|
84
|
71
|
37
|
70
|
51
|
26
|
21
|
32
|
38
|
58
|
41
|
33
|
37
|
54
|
92
|
78
|
167
|
142
|
89
|
39
|
39
|
35
|
45
|
41
|
80
|
60
|
80
|
35
|
37
|
|
2024/11
|
12
|
26
|
34
|
12
|
19
|
45
|
50
|
70
|
64
|
9
|
21
|
21
|
22
|
25
|
40
|
17
|
15
|
18
|
16
|
21
|
29
|
55
|
53
|
29
|
10
|
33
|
30
|
26
|
32
|
57
|
|
|
2024/10
|
16
|
24
|
23
|
25
|
24
|
28
|
33
|
45
|
42
|
11
|
21
|
22
|
37
|
42
|
43
|
39
|
17
|
38
|
15
|
20
|
18
|
15
|
26
|
48
|
37
|
14
|
14
|
23
|
44
|
35
|
32
|
|
2024/09
|
18
|
16
|
19
|
22
|
13
|
20
|
19
|
32
|
20
|
12
|
26
|
31
|
28
|
30
|
27
|
13
|
29
|
32
|
36
|
38
|
20
|
22
|
29
|
33
|
28
|
37
|
52
|
67
|
56
|
8
|
|
|
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