Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
26
O3
0.6
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
81
Good
Wed
18 Mar
40
Excellent
Thu
19 Mar
44
Excellent
Fri
20 Mar
47
Excellent
Sat
21 Mar
48
Excellent
Sun
22 Mar
47
Excellent
Mon
23 Mar
39
Excellent
Air quality in the last 12 months (Yucheng)
|
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
|
|
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
|
|
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