Air Quality
Excellent
No health implications.
25
PM2.5
41
PM10
84
O3
0.8
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Apr
76
Good
Thu
2 Apr
66
Good
Fri
3 Apr
105
Light
Sat
4 Apr
97
Good
Sun
5 Apr
85
Good
Mon
6 Apr
29
Excellent
Tue
7 Apr
42
Excellent
Air quality in the last 12 months (Laohekou)
|
2026/02
|
99
|
93
|
102
|
139
|
134
|
112
|
88
|
95
|
82
|
93
|
98
|
90
|
95
|
101
|
85
|
37
|
95
|
64
|
70
|
60
|
61
|
101
|
145
|
74
|
48
|
30
|
55
|
57
|
|||
|
2026/01
|
50
|
82
|
117
|
95
|
64
|
44
|
50
|
59
|
66
|
73
|
76
|
77
|
104
|
110
|
84
|
90
|
121
|
88
|
53
|
60
|
68
|
77
|
82
|
99
|
113
|
124
|
118
|
141
|
111
|
105
|
88
|
|
2025/12
|
123
|
127
|
81
|
76
|
86
|
92
|
89
|
83
|
105
|
133
|
160
|
94
|
56
|
61
|
65
|
83
|
105
|
122
|
123
|
100
|
49
|
70
|
65
|
84
|
72
|
74
|
83
|
97
|
95
|
116
|
115
|
|
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
|
|
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