Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
45
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
35
Excellent
Wed
11 Sep
41
Excellent
Thu
12 Sep
43
Excellent
Fri
13 Sep
35
Excellent
Sat
14 Sep
36
Excellent
Sun
15 Sep
30
Excellent
Air quality in the last 12 months (Hekou)
|
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
|
|
|
2023/10
|
19
|
25
|
23
|
28
|
32
|
30
|
20
|
22
|
26
|
27
|
28
|
28
|
26
|
20
|
23
|
26
|
28
|
31
|
30
|
35
|
33
|
31
|
31
|
31
|
28
|
30
|
36
|
31
|
18
|
22
|
28
|
|
2023/09
|
37
|
37
|
39
|
27
|
25
|
22
|
24
|
23
|
24
|
30
|
31
|
20
|
21
|
25
|
29
|
27
|
16
|
17
|
16
|
16
|
19
|
17
|
24
|
24
|
28
|
23
|
17
|
17
|
16
|
16
|
|
|
2023/08
|
15
|
17
|
20
|
22
|
19
|
22
|
21
|
19
|
17
|
20
|
22
|
19
|
32
|
21
|
21
|
18
|
20
|
39
|
37
|
34
|
16
|
16
|
20
|
14
|
12
|
12
|
22
|
24
|
24
|
26
|
33
|
|
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