Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
83
*
PM10
141
O3
0.5
CO
12
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
91
Good
Wed
30 Apr
91
Good
Thu
1 May
95
Good
Fri
2 May
92
Good
Sat
3 May
86
Good
Sun
4 May
85
Good
Mon
5 May
62
Good
Air quality in the last 12 months (Laohekou)
|
2025/02
|
72
|
69
|
61
|
50
|
49
|
40
|
94
|
51
|
58
|
69
|
84
|
79
|
73
|
75
|
62
|
65
|
75
|
62
|
83
|
81
|
82
|
82
|
90
|
94
|
66
|
74
|
86
|
97
|
|||
|
2025/01
|
109
|
129
|
123
|
129
|
58
|
67
|
63
|
56
|
59
|
62
|
65
|
72
|
85
|
83
|
64
|
56
|
67
|
84
|
86
|
91
|
125
|
184
|
118
|
55
|
46
|
51
|
63
|
90
|
187
|
144
|
110
|
|
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
|
|
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