Air Quality
Excellent
No health implications.
22
PM2.5
29
PM10
144
O3
0.3
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
93
Good
Tue
29 Apr
114
Light
Wed
30 Apr
123
Light
Thu
1 May
105
Light
Fri
2 May
129
Light
Sat
3 May
96
Good
Sun
4 May
25
Excellent
Air quality in the last 12 months (Liuhe)
|
2025/02
|
37
|
71
|
80
|
60
|
46
|
37
|
47
|
31
|
39
|
55
|
54
|
83
|
52
|
64
|
80
|
70
|
55
|
42
|
62
|
41
|
42
|
61
|
55
|
56
|
72
|
83
|
79
|
67
|
|||
|
2025/01
|
79
|
90
|
82
|
72
|
97
|
69
|
43
|
62
|
31
|
43
|
58
|
59
|
77
|
94
|
49
|
54
|
65
|
78
|
90
|
119
|
140
|
118
|
52
|
38
|
29
|
60
|
37
|
86
|
154
|
65
|
76
|
|
2024/12
|
57
|
77
|
50
|
42
|
64
|
101
|
99
|
31
|
52
|
45
|
48
|
51
|
81
|
52
|
58
|
56
|
79
|
55
|
42
|
59
|
72
|
53
|
57
|
68
|
94
|
99
|
60
|
67
|
71
|
71
|
93
|
|
2024/11
|
26
|
51
|
60
|
45
|
33
|
46
|
37
|
38
|
44
|
39
|
50
|
55
|
61
|
63
|
68
|
34
|
22
|
25
|
26
|
36
|
53
|
63
|
29
|
38
|
32
|
28
|
63
|
58
|
47
|
59
|
|
|
2024/10
|
24
|
29
|
26
|
31
|
27
|
11
|
10
|
24
|
31
|
49
|
62
|
75
|
36
|
34
|
68
|
53
|
35
|
18
|
24
|
35
|
33
|
30
|
35
|
34
|
33
|
29
|
31
|
54
|
32
|
35
|
33
|
|
2024/09
|
46
|
39
|
20
|
39
|
41
|
40
|
40
|
41
|
28
|
38
|
16
|
20
|
32
|
31
|
21
|
17
|
13
|
29
|
23
|
12
|
26
|
27
|
28
|
30
|
37
|
33
|
38
|
35
|
41
|
47
|
|
|
2024/08
|
24
|
25
|
32
|
40
|
35
|
40
|
43
|
38
|
41
|
43
|
57
|
65
|
36
|
31
|
20
|
27
|
34
|
36
|
25
|
13
|
29
|
37
|
39
|
43
|
40
|
38
|
25
|
21
|
22
|
32
|
44
|
|
2024/07
|
20
|
25
|
37
|
20
|
26
|
27
|
28
|
31
|
35
|
40
|
50
|
36
|
22
|
22
|
42
|
44
|
30
|
25
|
23
|
22
|
21
|
26
|
36
|
37
|
26
|
30
|
19
|
24
|
38
|
37
|
25
|
|
2024/06
|
41
|
31
|
47
|
41
|
43
|
24
|
34
|
44
|
42
|
37
|
26
|
42
|
51
|
53
|
48
|
45
|
35
|
34
|
32
|
28
|
33
|
20
|
35
|
35
|
60
|
47
|
22
|
23
|
11
|
21
|
|
|
2024/05
|
45
|
41
|
44
|
50
|
44
|
40
|
63
|
39
|
37
|
44
|
49
|
84
|
64
|
50
|
62
|
40
|
48
|
52
|
42
|
50
|
42
|
40
|
49
|
66
|
49
|
53
|
26
|
30
|
41
|
33
|
42
|
|
2024/04
|
79
|
50
|
29
|
72
|
50
|
60
|
59
|
32
|
50
|
60
|
59
|
56
|
41
|
44
|
39
|
64
|
69
|
58
|
58
|
43
|
37
|
44
|
61
|
71
|
57
|
50
|
53
|
35
|
26
|
44
|
|
|
2024/03
|
55
|
56
|
60
|
51
|
31
|
67
|
61
|
73
|
67
|
68
|
56
|
76
|
55
|
91
|
117
|
83
|
125
|
56
|
72
|
83
|
69
|
56
|
94
|
44
|
26
|
31
|
73
|
51
|
57
|
66
|
96
|
|
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