Air Quality
Excellent
No health implications.
22
PM2.5
44
PM10
18
O3
0.7
CO
10
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
38
Excellent
Sun
28 Apr
34
Excellent
Mon
29 Apr
40
Excellent
Tue
30 Apr
33
Excellent
Wed
1 May
35
Excellent
Thu
2 May
35
Excellent
Air quality in the last 12 months (Liancheng)
|
2024/02
|
50
|
25
|
18
|
18
|
16
|
19
|
12
|
15
|
39
|
77
|
45
|
37
|
37
|
40
|
40
|
25
|
35
|
32
|
27
|
27
|
26
|
20
|
20
|
24
|
19
|
20
|
20
|
33
|
25
|
||
|
2024/01
|
78
|
77
|
29
|
40
|
51
|
56
|
52
|
72
|
54
|
35
|
37
|
48
|
48
|
57
|
59
|
70
|
57
|
55
|
44
|
28
|
20
|
14
|
25
|
36
|
40
|
44
|
46
|
36
|
48
|
38
|
46
|
|
2023/12
|
41
|
43
|
44
|
34
|
22
|
30
|
33
|
39
|
46
|
47
|
40
|
21
|
29
|
39
|
29
|
13
|
31
|
26
|
16
|
20
|
30
|
42
|
36
|
38
|
39
|
47
|
51
|
56
|
58
|
60
|
69
|
|
2023/11
|
38
|
39
|
43
|
48
|
46
|
31
|
34
|
44
|
45
|
30
|
14
|
13
|
18
|
28
|
34
|
26
|
55
|
55
|
53
|
46
|
43
|
45
|
45
|
51
|
52
|
48
|
52
|
52
|
51
|
54
|
|
|
2023/10
|
33
|
27
|
35
|
34
|
25
|
25
|
15
|
14
|
15
|
16
|
17
|
23
|
30
|
36
|
43
|
41
|
47
|
51
|
52
|
21
|
18
|
26
|
29
|
35
|
43
|
48
|
29
|
21
|
29
|
34
|
40
|
|
2023/09
|
18
|
20
|
20
|
20
|
17
|
13
|
15
|
26
|
29
|
32
|
26
|
31
|
31
|
24
|
18
|
24
|
23
|
26
|
39
|
35
|
38
|
34
|
30
|
28
|
26
|
28
|
29
|
30
|
28
|
30
|
|
|
2023/08
|
19
|
28
|
29
|
35
|
32
|
32
|
29
|
27
|
29
|
28
|
28
|
23
|
22
|
24
|
25
|
26
|
28
|
30
|
33
|
27
|
22
|
21
|
23
|
25
|
28
|
30
|
25
|
24
|
19
|
16
|
16
|
|
2023/07
|
27
|
20
|
17
|
17
|
19
|
20
|
19
|
22
|
28
|
28
|
29
|
25
|
24
|
30
|
39
|
25
|
20
|
17
|
18
|
20
|
21
|
20
|
22
|
23
|
27
|
17
|
13
|
12
|
21
|
23
|
22
|
|
2023/06
|
35
|
36
|
36
|
34
|
31
|
29
|
22
|
19
|
19
|
24
|
33
|
44
|
47
|
36
|
29
|
26
|
20
|
22
|
20
|
23
|
22
|
26
|
20
|
23
|
24
|
21
|
25
|
24
|
20
|
21
|
|
|
2023/05
|
45
|
45
|
39
|
22
|
28
|
23
|
19
|
25
|
26
|
39
|
40
|
29
|
36
|
46
|
49
|
54
|
28
|
26
|
37
|
33
|
25
|
25
|
29
|
37
|
37
|
36
|
38
|
47
|
34
|
31
|
32
|
|
2023/04
|
33
|
46
|
43
|
31
|
30
|
27
|
26
|
52
|
58
|
56
|
50
|
39
|
45
|
49
|
38
|
55
|
57
|
46
|
29
|
31
|
32
|
31
|
47
|
21
|
13
|
20
|
33
|
44
|
37
|
50
|
|
|
2023/03
|
48
|
61
|
71
|
63
|
52
|
54
|
58
|
57
|
55
|
57
|
55
|
52
|
58
|
59
|
66
|
67
|
49
|
53
|
40
|
55
|
53
|
49
|
33
|
21
|
19
|
16
|
20
|
34
|
36
|
37
|
45
|
|
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