Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
*
PM2.5
44
PM10
53
O3
0.5
CO
3
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 Oct
115
Light
Mon
12 Oct
126
Light
Tue
13 Oct
85
Good
Wed
14 Oct
63
Good
Thu
15 Oct
88
Good
Fri
16 Oct
45
Excellent
Sat
17 Oct
40
Excellent
Air quality in the last 12 months (Hekou)
|
2026/08
|
36
|
42
|
45
|
61
|
38
|
38
|
48
|
34
|
35
|
39
|
25
|
28
|
27
|
36
|
41
|
46
|
32
|
39
|
42
|
58
|
22
|
18
|
19
|
19
|
32
|
29
|
30
|
31
|
38
|
47
|
33
|
|
2026/07
|
41
|
80
|
80
|
70
|
71
|
59
|
36
|
53
|
45
|
39
|
45
|
22
|
14
|
26
|
52
|
62
|
41
|
51
|
62
|
55
|
55
|
68
|
51
|
40
|
40
|
42
|
52
|
40
|
39
|
38
|
36
|
|
2026/06
|
89
|
85
|
45
|
37
|
35
|
33
|
30
|
43
|
46
|
45
|
63
|
71
|
84
|
62
|
47
|
49
|
63
|
87
|
45
|
38
|
29
|
33
|
67
|
48
|
40
|
52
|
77
|
88
|
87
|
61
|
|
|
2026/05
|
81
|
47
|
34
|
35
|
53
|
61
|
38
|
45
|
63
|
60
|
70
|
68
|
71
|
75
|
38
|
39
|
42
|
29
|
31
|
32
|
52
|
49
|
45
|
44
|
30
|
33
|
49
|
47
|
39
|
60
|
76
|
|
2026/04
|
79
|
79
|
84
|
39
|
56
|
42
|
30
|
54
|
36
|
51
|
65
|
73
|
52
|
66
|
82
|
60
|
70
|
96
|
77
|
93
|
67
|
45
|
51
|
59
|
63
|
57
|
54
|
33
|
42
|
55
|
|
|
2026/03
|
97
|
103
|
133
|
120
|
58
|
49
|
39
|
92
|
50
|
86
|
110
|
51
|
92
|
70
|
43
|
67
|
133
|
43
|
52
|
62
|
104
|
122
|
116
|
125
|
106
|
127
|
71
|
82
|
120
|
34
|
34
|
|
2026/02
|
211
|
84
|
99
|
164
|
149
|
34
|
39
|
50
|
82
|
88
|
104
|
106
|
141
|
146
|
73
|
62
|
245
|
92
|
69
|
101
|
143
|
67
|
59
|
71
|
74
|
66
|
57
|
65
|
|||
|
2026/01
|
30
|
37
|
107
|
188
|
50
|
154
|
39
|
56
|
90
|
52
|
26
|
68
|
56
|
103
|
143
|
64
|
23
|
26
|
34
|
20
|
35
|
61
|
100
|
107
|
50
|
43
|
65
|
84
|
42
|
39
|
103
|
|
2025/12
|
50
|
26
|
40
|
43
|
51
|
96
|
101
|
29
|
87
|
117
|
45
|
19
|
39
|
82
|
80
|
94
|
55
|
81
|
131
|
40
|
22
|
44
|
58
|
42
|
22
|
40
|
79
|
108
|
90
|
49
|
21
|
|
2025/11
|
83
|
18
|
32
|
72
|
92
|
70
|
68
|
86
|
45
|
65
|
87
|
105
|
41
|
84
|
164
|
98
|
28
|
41
|
57
|
45
|
60
|
97
|
125
|
109
|
32
|
84
|
51
|
93
|
134
|
134
|
|
|
2025/10
|
73
|
18
|
12
|
19
|
14
|
18
|
33
|
36
|
11
|
10
|
17
|
23
|
38
|
53
|
29
|
39
|
33
|
20
|
23
|
19
|
23
|
28
|
38
|
37
|
77
|
57
|
37
|
96
|
82
|
59
|
41
|
|
2025/09
|
20
|
37
|
38
|
28
|
27
|
26
|
51
|
63
|
41
|
44
|
43
|
34
|
36
|
54
|
49
|
43
|
17
|
18
|
11
|
27
|
30
|
21
|
26
|
36
|
51
|
55
|
43
|
40
|
53
|
60
|
|
|
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