Air Quality
Excellent
No health implications.
18
PM2.5
29
PM10
63
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
66
Good
Thu
15 May
79
Good
Fri
16 May
92
Good
Sat
17 May
72
Good
Sun
18 May
62
Good
Mon
19 May
71
Good
Tue
20 May
17
Excellent
Air quality in the last 12 months (Liangcheng)
|
2025/02
|
66
|
26
|
19
|
29
|
35
|
73
|
17
|
26
|
43
|
60
|
56
|
45
|
57
|
60
|
80
|
27
|
44
|
29
|
25
|
30
|
31
|
21
|
24
|
48
|
52
|
69
|
76
|
73
|
|||
|
2025/01
|
62
|
32
|
36
|
56
|
67
|
21
|
29
|
14
|
33
|
46
|
52
|
27
|
68
|
22
|
34
|
57
|
60
|
65
|
62
|
59
|
58
|
72
|
85
|
84
|
100
|
99
|
20
|
59
|
214
|
139
|
83
|
|
2024/12
|
40
|
21
|
34
|
38
|
36
|
27
|
20
|
38
|
53
|
51
|
41
|
58
|
58
|
46
|
54
|
54
|
33
|
29
|
66
|
42
|
29
|
51
|
55
|
65
|
45
|
28
|
24
|
59
|
103
|
101
|
54
|
|
2024/11
|
71
|
65
|
31
|
28
|
40
|
57
|
75
|
89
|
102
|
32
|
69
|
65
|
61
|
56
|
56
|
60
|
38
|
58
|
58
|
73
|
67
|
55
|
80
|
87
|
21
|
25
|
30
|
25
|
32
|
35
|
|
|
2024/10
|
18
|
29
|
50
|
64
|
64
|
48
|
34
|
50
|
46
|
38
|
52
|
61
|
61
|
48
|
35
|
77
|
96
|
25
|
23
|
36
|
41
|
24
|
54
|
64
|
66
|
29
|
28
|
58
|
49
|
53
|
53
|
|
2024/09
|
15
|
26
|
42
|
23
|
14
|
27
|
24
|
42
|
37
|
20
|
27
|
40
|
36
|
21
|
31
|
26
|
35
|
56
|
53
|
14
|
14
|
32
|
56
|
56
|
26
|
53
|
66
|
59
|
30
|
15
|
|
|
2024/08
|
27
|
45
|
32
|
29
|
31
|
36
|
39
|
36
|
32
|
68
|
13
|
14
|
23
|
35
|
36
|
51
|
36
|
36
|
33
|
28
|
26
|
30
|
38
|
46
|
29
|
15
|
28
|
47
|
48
|
45
|
48
|
|
2024/07
|
38
|
34
|
35
|
24
|
32
|
33
|
38
|
43
|
44
|
50
|
52
|
28
|
31
|
45
|
44
|
19
|
25
|
32
|
37
|
38
|
72
|
83
|
53
|
41
|
26
|
26
|
38
|
30
|
45
|
28
|
25
|
|
2024/06
|
39
|
58
|
48
|
34
|
32
|
43
|
17
|
33
|
40
|
43
|
52
|
59
|
44
|
23
|
29
|
33
|
46
|
50
|
40
|
48
|
49
|
353
|
154
|
41
|
38
|
65
|
58
|
58
|
32
|
29
|
|
|
2024/05
|
38
|
53
|
57
|
54
|
54
|
33
|
34
|
44
|
61
|
88
|
65
|
29
|
51
|
50
|
48
|
74
|
66
|
113
|
87
|
57
|
58
|
72
|
66
|
63
|
40
|
32
|
31
|
47
|
51
|
46
|
17
|
|
2024/04
|
63
|
46
|
33
|
45
|
47
|
39
|
45
|
59
|
58
|
58
|
63
|
65
|
76
|
159
|
143
|
41
|
51
|
63
|
50
|
19
|
44
|
91
|
44
|
69
|
156
|
78
|
185
|
40
|
18
|
31
|
|
|
2024/03
|
39
|
78
|
57
|
70
|
49
|
29
|
36
|
36
|
56
|
67
|
39
|
30
|
42
|
53
|
74
|
103
|
48
|
104
|
43
|
40
|
90
|
69
|
68
|
49
|
53
|
65
|
186
|
335
|
71
|
36
|
43
|
|
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