Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
20
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Nov
38
Excellent
Thu
28 Nov
39
Excellent
Fri
29 Nov
34
Excellent
Sat
30 Nov
39
Excellent
Sun
1 Dec
38
Excellent
Mon
2 Dec
41
Excellent
Tue
3 Dec
20
Excellent
Air quality in the last 12 months (Hekou)
|
2024/10
|
16
|
17
|
25
|
25
|
33
|
34
|
39
|
50
|
39
|
35
|
38
|
44
|
52
|
35
|
28
|
13
|
15
|
27
|
30
|
24
|
31
|
31
|
26
|
42
|
45
|
35
|
42
|
45
|
40
|
30
|
30
|
|
2024/09
|
26
|
18
|
21
|
23
|
28
|
30
|
26
|
11
|
13
|
11
|
16
|
22
|
22
|
24
|
25
|
26
|
19
|
24
|
25
|
36
|
31
|
17
|
27
|
32
|
33
|
37
|
37
|
30
|
21
|
18
|
|
|
2024/08
|
10
|
14
|
13
|
13
|
12
|
14
|
14
|
15
|
13
|
18
|
23
|
32
|
21
|
33
|
39
|
31
|
34
|
32
|
30
|
25
|
17
|
9
|
12
|
17
|
15
|
11
|
13
|
26
|
26
|
26
|
20
|
|
2024/07
|
13
|
15
|
11
|
12
|
13
|
16
|
16
|
16
|
16
|
13
|
10
|
13
|
16
|
13
|
14
|
13
|
12
|
11
|
11
|
11
|
10
|
14
|
20
|
15
|
17
|
22
|
26
|
20
|
12
|
13
|
14
|
|
2024/06
|
24
|
23
|
19
|
20
|
19
|
14
|
11
|
13
|
14
|
18
|
12
|
12
|
12
|
15
|
13
|
16
|
26
|
24
|
26
|
22
|
21
|
20
|
20
|
18
|
21
|
10
|
9
|
14
|
15
|
13
|
|
|
2024/05
|
70
|
52
|
37
|
49
|
53
|
40
|
42
|
37
|
19
|
23
|
29
|
37
|
30
|
25
|
29
|
22
|
30
|
29
|
26
|
29
|
36
|
29
|
28
|
27
|
26
|
12
|
15
|
13
|
21
|
30
|
26
|
|
2024/04
|
64
|
63
|
76
|
82
|
81
|
96
|
87
|
63
|
48
|
53
|
53
|
59
|
70
|
70
|
91
|
87
|
81
|
55
|
61
|
48
|
51
|
55
|
55
|
55
|
41
|
54
|
62
|
64
|
72
|
64
|
|
|
2024/03
|
21
|
27
|
48
|
62
|
43
|
47
|
93
|
70
|
48
|
39
|
39
|
46
|
56
|
54
|
60
|
76
|
98
|
82
|
55
|
39
|
39
|
43
|
42
|
49
|
55
|
62
|
65
|
70
|
53
|
71
|
77
|
|
2024/02
|
33
|
36
|
48
|
52
|
46
|
50
|
51
|
51
|
40
|
72
|
59
|
43
|
49
|
47
|
48
|
41
|
48
|
46
|
48
|
47
|
52
|
60
|
55
|
34
|
29
|
37
|
32
|
38
|
33
|
||
|
2024/01
|
60
|
44
|
41
|
34
|
32
|
39
|
36
|
39
|
44
|
45
|
25
|
24
|
29
|
29
|
27
|
26
|
21
|
27
|
32
|
36
|
33
|
21
|
34
|
23
|
30
|
26
|
29
|
19
|
27
|
24
|
29
|
|
2023/12
|
49
|
23
|
19
|
20
|
23
|
30
|
36
|
31
|
28
|
34
|
34
|
36
|
32
|
37
|
34
|
41
|
25
|
25
|
23
|
33
|
52
|
50
|
60
|
74
|
79
|
63
|
67
|
65
|
60
|
54
|
50
|
|
2023/11
|
31
|
32
|
36
|
29
|
30
|
39
|
17
|
19
|
23
|
26
|
30
|
30
|
20
|
19
|
20
|
23
|
40
|
41
|
43
|
52
|
40
|
49
|
49
|
49
|
54
|
59
|
60
|
52
|
56
|
58
|
|
|
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