Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
63
*
PM10
39
O3
0.7
CO
5
SO2
36
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Dec
62
Good
Thu
25 Dec
48
Excellent
Fri
26 Dec
67
Good
Sat
27 Dec
106
Light
Sun
28 Dec
131
Light
Mon
29 Dec
87
Good
Tue
30 Dec
45
Excellent
Air quality in the last 12 months (Hekou)
|
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
|
|
|
2025/08
|
15
|
13
|
22
|
14
|
25
|
19
|
17
|
16
|
10
|
19
|
24
|
34
|
34
|
41
|
20
|
11
|
9
|
17
|
41
|
43
|
35
|
20
|
17
|
19
|
23
|
22
|
23
|
14
|
15
|
13
|
16
|
|
2025/07
|
20
|
20
|
25
|
34
|
34
|
11
|
22
|
22
|
23
|
30
|
32
|
36
|
23
|
14
|
19
|
12
|
24
|
26
|
15
|
31
|
11
|
10
|
10
|
21
|
25
|
24
|
12
|
18
|
15
|
13
|
15
|
|
2025/06
|
47
|
51
|
28
|
28
|
56
|
70
|
53
|
41
|
55
|
20
|
36
|
45
|
32
|
19
|
18
|
25
|
41
|
44
|
20
|
25
|
47
|
52
|
44
|
47
|
41
|
54
|
42
|
57
|
25
|
28
|
|
|
2025/05
|
46
|
49
|
30
|
47
|
46
|
29
|
49
|
55
|
31
|
26
|
50
|
57
|
60
|
57
|
30
|
58
|
48
|
54
|
74
|
75
|
55
|
60
|
40
|
42
|
44
|
49
|
57
|
60
|
54
|
55
|
59
|
|
2025/04
|
73
|
31
|
46
|
73
|
34
|
65
|
98
|
69
|
42
|
61
|
73
|
174
|
59
|
50
|
44
|
76
|
83
|
44
|
22
|
35
|
54
|
47
|
61
|
60
|
60
|
72
|
43
|
42
|
61
|
68
|
|
|
2025/03
|
80
|
53
|
35
|
47
|
31
|
50
|
48
|
113
|
121
|
86
|
105
|
104
|
62
|
55
|
46
|
29
|
40
|
28
|
54
|
60
|
55
|
67
|
106
|
113
|
84
|
120
|
85
|
42
|
32
|
53
|
76
|
|
2025/02
|
42
|
76
|
25
|
26
|
33
|
69
|
36
|
19
|
49
|
63
|
86
|
73
|
75
|
88
|
104
|
61
|
41
|
32
|
32
|
47
|
39
|
37
|
39
|
57
|
60
|
86
|
121
|
152
|
|||
|
2025/01
|
87
|
34
|
56
|
125
|
184
|
42
|
41
|
26
|
18
|
39
|
57
|
55
|
86
|
64
|
30
|
64
|
54
|
105
|
106
|
83
|
73
|
31
|
40
|
57
|
48
|
62
|
38
|
58
|
92
|
47
|
44
|
|
2024/12
|
97
|
50
|
34
|
51
|
97
|
39
|
27
|
48
|
85
|
95
|
29
|
50
|
55
|
43
|
54
|
60
|
39
|
32
|
57
|
82
|
37
|
49
|
73
|
115
|
145
|
31
|
50
|
61
|
83
|
97
|
56
|
|
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