Air Quality
Excellent
No health implications.
16
PM2.5
26
PM10
39
O3
0.3
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
75
Good
Mon
11 May
79
Good
Tue
12 May
82
Good
Wed
13 May
85
Good
Thu
14 May
84
Good
Fri
15 May
48
Excellent
Sat
16 May
22
Excellent
Air quality in the last 12 months (Yucheng)
|
2026/04
|
22
|
31
|
39
|
62
|
54
|
32
|
20
|
32
|
28
|
25
|
25
|
33
|
17
|
25
|
29
|
33
|
26
|
31
|
48
|
108
|
45
|
24
|
29
|
38
|
45
|
51
|
33
|
20
|
26
|
41
|
|
|
2026/03
|
14
|
18
|
16
|
16
|
25
|
42
|
35
|
27
|
16
|
24
|
33
|
35
|
48
|
23
|
29
|
46
|
24
|
22
|
41
|
33
|
48
|
33
|
36
|
23
|
26
|
30
|
22
|
29
|
32
|
22
|
20
|
|
2026/02
|
69
|
82
|
99
|
113
|
66
|
78
|
64
|
28
|
44
|
24
|
38
|
58
|
50
|
59
|
63
|
51
|
161
|
75
|
53
|
50
|
56
|
61
|
76
|
29
|
46
|
49
|
43
|
26
|
|||
|
2026/01
|
41
|
56
|
37
|
28
|
59
|
50
|
46
|
42
|
64
|
99
|
114
|
151
|
125
|
103
|
53
|
82
|
87
|
122
|
79
|
43
|
52
|
73
|
98
|
102
|
85
|
84
|
101
|
110
|
112
|
50
|
71
|
|
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
|
|
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