Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
30
O3
0.4
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Feb
51
Good
Wed
26 Feb
61
Good
Thu
27 Feb
58
Good
Fri
28 Feb
73
Good
Sat
1 Mar
89
Good
Sun
2 Mar
92
Good
Mon
3 Mar
25
Excellent
Air quality in the last 12 months (Yucheng)
|
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
|
|
|
2024/08
|
35
|
40
|
25
|
14
|
24
|
25
|
39
|
32
|
21
|
18
|
48
|
33
|
35
|
42
|
39
|
20
|
29
|
27
|
34
|
45
|
49
|
54
|
57
|
45
|
42
|
36
|
36
|
43
|
50
|
43
|
40
|
|
2024/07
|
12
|
19
|
22
|
33
|
18
|
21
|
37
|
14
|
7
|
11
|
18
|
26
|
25
|
13
|
24
|
17
|
20
|
15
|
35
|
14
|
18
|
21
|
20
|
9
|
17
|
33
|
36
|
22
|
16
|
16
|
24
|
|
2024/06
|
47
|
18
|
25
|
21
|
33
|
36
|
16
|
23
|
16
|
26
|
23
|
38
|
31
|
32
|
34
|
42
|
11
|
23
|
18
|
36
|
18
|
11
|
27
|
20
|
29
|
30
|
18
|
24
|
24
|
32
|
|
|
2024/05
|
24
|
20
|
18
|
13
|
28
|
34
|
35
|
28
|
24
|
52
|
25
|
32
|
35
|
46
|
48
|
52
|
33
|
37
|
27
|
28
|
29
|
37
|
46
|
46
|
51
|
33
|
35
|
31
|
13
|
15
|
37
|
|
2024/04
|
54
|
49
|
45
|
35
|
32
|
17
|
16
|
15
|
27
|
24
|
21
|
37
|
47
|
51
|
61
|
46
|
26
|
15
|
19
|
38
|
51
|
56
|
23
|
23
|
38
|
50
|
60
|
71
|
40
|
9
|
|
|
2024/03
|
33
|
25
|
55
|
107
|
48
|
43
|
52
|
62
|
104
|
102
|
28
|
47
|
41
|
19
|
50
|
50
|
78
|
53
|
53
|
60
|
61
|
66
|
65
|
57
|
15
|
28
|
36
|
15
|
28
|
38
|
41
|
|
2024/02
|
67
|
59
|
27
|
36
|
47
|
46
|
51
|
54
|
45
|
91
|
88
|
88
|
79
|
95
|
34
|
33
|
48
|
68
|
86
|
178
|
66
|
52
|
39
|
49
|
75
|
98
|
100
|
78
|
40
|
||
|
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