Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
11
O3
0.7
CO
8
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
74
Good
Sat
13 Dec
64
Good
Sun
14 Dec
68
Good
Mon
15 Dec
69
Good
Tue
16 Dec
88
Good
Wed
17 Dec
125
Light
Thu
18 Dec
38
Excellent
Air quality in the last 12 months (Laohekou)
|
2025/11
|
42
|
58
|
95
|
119
|
109
|
102
|
27
|
28
|
54
|
73
|
68
|
66
|
73
|
96
|
94
|
76
|
31
|
24
|
31
|
47
|
56
|
63
|
59
|
79
|
58
|
74
|
137
|
93
|
76
|
77
|
|
|
2025/10
|
19
|
9
|
18
|
19
|
16
|
13
|
21
|
25
|
27
|
18
|
20
|
24
|
16
|
28
|
26
|
33
|
16
|
28
|
48
|
38
|
35
|
49
|
59
|
92
|
61
|
39
|
54
|
64
|
102
|
80
|
51
|
|
2025/09
|
20
|
27
|
36
|
27
|
19
|
25
|
32
|
14
|
20
|
27
|
12
|
13
|
22
|
30
|
27
|
32
|
15
|
12
|
11
|
18
|
26
|
19
|
10
|
15
|
25
|
14
|
12
|
15
|
14
|
16
|
|
|
2025/08
|
32
|
33
|
34
|
42
|
40
|
38
|
28
|
29
|
20
|
16
|
19
|
23
|
15
|
22
|
24
|
18
|
23
|
24
|
30
|
21
|
25
|
28
|
26
|
27
|
26
|
30
|
33
|
29
|
20
|
20
|
15
|
|
2025/07
|
21
|
22
|
18
|
23
|
22
|
26
|
20
|
31
|
29
|
27
|
45
|
46
|
35
|
28
|
28
|
35
|
25
|
29
|
32
|
30
|
28
|
29
|
14
|
19
|
25
|
28
|
28
|
24
|
26
|
27
|
31
|
|
2025/06
|
28
|
29
|
39
|
39
|
39
|
39
|
33
|
24
|
31
|
41
|
40
|
34
|
39
|
34
|
44
|
52
|
43
|
24
|
11
|
20
|
26
|
32
|
30
|
28
|
22
|
14
|
24
|
27
|
21
|
25
|
|
|
2025/05
|
80
|
79
|
62
|
41
|
57
|
299
|
176
|
56
|
67
|
41
|
40
|
55
|
58
|
43
|
54
|
49
|
82
|
139
|
88
|
72
|
62
|
55
|
59
|
66
|
62
|
53
|
52
|
48
|
46
|
35
|
19
|
|
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
|
|
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