Air Quality
Excellent
No health implications.
28
PM2.5
33
PM10
48
O3
1.0
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jan
61
Good
Sun
26 Jan
51
Good
Mon
27 Jan
63
Good
Tue
28 Jan
113
Light
Wed
29 Jan
165
Moderate
Thu
30 Jan
147
Light
Fri
31 Jan
64
Good
Air quality in the last 12 months (Laohekou)
|
2024/12
|
55
|
61
|
63
|
57
|
49
|
51
|
53
|
63
|
63
|
67
|
63
|
99
|
58
|
45
|
48
|
64
|
77
|
76
|
51
|
60
|
66
|
58
|
56
|
65
|
68
|
98
|
134
|
42
|
74
|
73
|
72
|
|
2024/11
|
58
|
46
|
48
|
49
|
56
|
64
|
68
|
74
|
57
|
60
|
73
|
78
|
58
|
57
|
48
|
20
|
15
|
28
|
29
|
22
|
31
|
45
|
74
|
62
|
31
|
35
|
45
|
46
|
40
|
51
|
|
|
2024/10
|
35
|
51
|
51
|
48
|
62
|
45
|
41
|
60
|
58
|
51
|
67
|
66
|
56
|
54
|
54
|
86
|
49
|
22
|
29
|
32
|
32
|
23
|
32
|
50
|
55
|
55
|
39
|
56
|
68
|
65
|
55
|
|
2024/09
|
35
|
47
|
38
|
45
|
47
|
31
|
42
|
47
|
46
|
49
|
31
|
32
|
30
|
44
|
33
|
41
|
32
|
33
|
22
|
26
|
25
|
31
|
45
|
56
|
58
|
59
|
61
|
57
|
50
|
13
|
|
|
2024/08
|
21
|
22
|
24
|
22
|
21
|
19
|
20
|
30
|
34
|
85
|
76
|
31
|
31
|
32
|
37
|
30
|
31
|
24
|
16
|
29
|
20
|
32
|
43
|
37
|
36
|
36
|
21
|
26
|
34
|
36
|
37
|
|
2024/07
|
27
|
23
|
32
|
12
|
21
|
20
|
23
|
26
|
19
|
35
|
30
|
24
|
28
|
18
|
18
|
26
|
18
|
18
|
23
|
22
|
26
|
28
|
29
|
30
|
33
|
34
|
29
|
28
|
18
|
18
|
12
|
|
2024/06
|
65
|
63
|
40
|
25
|
20
|
34
|
35
|
42
|
43
|
36
|
36
|
33
|
31
|
37
|
43
|
44
|
23
|
41
|
39
|
32
|
28
|
33
|
33
|
77
|
89
|
44
|
45
|
23
|
23
|
32
|
|
|
2024/05
|
23
|
36
|
29
|
30
|
32
|
42
|
52
|
50
|
48
|
54
|
68
|
66
|
70
|
70
|
71
|
51
|
58
|
54
|
52
|
33
|
47
|
49
|
47
|
52
|
48
|
27
|
50
|
46
|
37
|
32
|
46
|
|
2024/04
|
54
|
54
|
77
|
61
|
58
|
45
|
46
|
47
|
43
|
41
|
37
|
34
|
40
|
33
|
41
|
44
|
42
|
54
|
41
|
63
|
62
|
59
|
123
|
124
|
63
|
51
|
58
|
50
|
45
|
23
|
|
|
2024/03
|
104
|
98
|
67
|
62
|
90
|
93
|
90
|
73
|
74
|
80
|
68
|
69
|
81
|
74
|
78
|
79
|
85
|
51
|
91
|
101
|
84
|
71
|
48
|
50
|
38
|
56
|
53
|
62
|
49
|
62
|
82
|
|
2024/02
|
74
|
53
|
55
|
73
|
96
|
101
|
95
|
105
|
100
|
136
|
131
|
106
|
103
|
95
|
56
|
61
|
58
|
90
|
306
|
25
|
36
|
42
|
36
|
48
|
71
|
91
|
73
|
67
|
72
|
||
|
2024/01
|
106
|
82
|
55
|
71
|
62
|
93
|
78
|
66
|
92
|
144
|
144
|
124
|
142
|
138
|
64
|
72
|
57
|
67
|
47
|
56
|
73
|
37
|
47
|
46
|
58
|
57
|
71
|
82
|
98
|
115
|
158
|
|
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