Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
71
O3
0.5
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
59
Good
Tue
30 Apr
58
Good
Wed
1 May
70
Good
Thu
2 May
91
Good
Fri
3 May
84
Good
Sat
4 May
93
Good
Sun
5 May
90
Good
Air quality in the last 12 months (Liuhe)
|
2024/02
|
66
|
77
|
74
|
72
|
62
|
83
|
91
|
81
|
132
|
275
|
87
|
67
|
75
|
50
|
40
|
37
|
30
|
30
|
31
|
36
|
32
|
35
|
38
|
110
|
105
|
58
|
50
|
64
|
55
|
||
|
2024/01
|
101
|
65
|
82
|
53
|
38
|
44
|
36
|
45
|
50
|
64
|
42
|
43
|
55
|
40
|
54
|
66
|
70
|
54
|
62
|
47
|
54
|
45
|
51
|
48
|
67
|
76
|
60
|
61
|
80
|
86
|
65
|
|
2023/12
|
47
|
51
|
42
|
56
|
65
|
43
|
35
|
69
|
42
|
31
|
34
|
44
|
56
|
36
|
40
|
39
|
40
|
63
|
72
|
53
|
56
|
57
|
79
|
76
|
66
|
43
|
70
|
81
|
72
|
73
|
90
|
|
2023/11
|
48
|
48
|
30
|
47
|
56
|
34
|
37
|
34
|
25
|
26
|
33
|
40
|
41
|
45
|
50
|
35
|
23
|
39
|
38
|
32
|
38
|
40
|
28
|
26
|
30
|
35
|
53
|
33
|
33
|
34
|
|
|
2023/10
|
26
|
33
|
35
|
26
|
25
|
32
|
37
|
41
|
35
|
34
|
42
|
46
|
45
|
42
|
40
|
38
|
41
|
38
|
24
|
23
|
26
|
37
|
50
|
57
|
64
|
41
|
49
|
53
|
83
|
84
|
84
|
|
2023/09
|
25
|
39
|
30
|
35
|
31
|
33
|
28
|
39
|
41
|
28
|
28
|
23
|
33
|
28
|
30
|
35
|
37
|
34
|
21
|
21
|
29
|
28
|
31
|
30
|
26
|
28
|
35
|
31
|
27
|
25
|
|
|
2023/08
|
24
|
22
|
26
|
25
|
22
|
16
|
18
|
24
|
33
|
20
|
16
|
16
|
19
|
19
|
24
|
29
|
30
|
28
|
31
|
33
|
25
|
23
|
22
|
28
|
20
|
26
|
29
|
18
|
18
|
20
|
27
|
|
2023/07
|
42
|
37
|
41
|
36
|
36
|
47
|
38
|
37
|
32
|
24
|
22
|
23
|
28
|
18
|
25
|
18
|
18
|
34
|
49
|
55
|
45
|
34
|
23
|
27
|
29
|
28
|
20
|
15
|
16
|
12
|
21
|
|
2023/06
|
40
|
29
|
31
|
28
|
34
|
32
|
34
|
25
|
22
|
24
|
25
|
33
|
27
|
40
|
52
|
50
|
61
|
66
|
56
|
27
|
24
|
25
|
29
|
35
|
38
|
33
|
26
|
41
|
34
|
47
|
|
|
2023/05
|
42
|
45
|
47
|
41
|
33
|
30
|
39
|
41
|
42
|
42
|
47
|
50
|
44
|
39
|
50
|
53
|
32
|
27
|
33
|
75
|
91
|
41
|
37
|
39
|
41
|
38
|
35
|
43
|
34
|
32
|
39
|
|
2023/04
|
91
|
76
|
68
|
103
|
149
|
179
|
52
|
44
|
56
|
56
|
163
|
112
|
139
|
74
|
111
|
68
|
63
|
60
|
50
|
53
|
85
|
50
|
45
|
47
|
47
|
29
|
35
|
34
|
33
|
28
|
|
|
2023/03
|
50
|
39
|
44
|
47
|
57
|
64
|
69
|
52
|
59
|
69
|
101
|
34
|
40
|
50
|
55
|
39
|
46
|
56
|
57
|
62
|
61
|
120
|
136
|
61
|
61
|
47
|
75
|
55
|
66
|
72
|
91
|
|
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