Air Quality
Excellent
No health implications.
25
PM2.5
31
PM10
104
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
50
Excellent
Mon
2 Jun
63
Good
Tue
3 Jun
70
Good
Wed
4 Jun
80
Good
Thu
5 Jun
92
Good
Fri
6 Jun
76
Good
Sat
7 Jun
17
Excellent
Air quality in the last 12 months (Laohekou)
|
2025/04
|
62
|
63
|
60
|
67
|
79
|
75
|
68
|
60
|
64
|
53
|
52
|
236
|
142
|
76
|
58
|
69
|
68
|
73
|
57
|
53
|
46
|
103
|
101
|
75
|
69
|
62
|
59
|
49
|
52
|
57
|
|
|
2025/03
|
85
|
24
|
27
|
30
|
41
|
55
|
65
|
74
|
65
|
70
|
77
|
88
|
82
|
47
|
42
|
41
|
37
|
40
|
39
|
37
|
42
|
51
|
56
|
59
|
48
|
55
|
114
|
74
|
67
|
66
|
62
|
|
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
|
|
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