Air Quality
Excellent
No health implications.
22
PM2.5
43
PM10
22
O3
0.8
CO
6
SO2
49
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jan
77
Good
Sat
11 Jan
111
Light
Sun
12 Jan
94
Good
Mon
13 Jan
119
Light
Tue
14 Jan
62
Good
Wed
15 Jan
62
Good
Thu
16 Jan
45
Excellent
Hekou Air quality rank
Air quality in the last 12 months (Hekou)
|
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
|
|
2024/11
|
70
|
56
|
87
|
34
|
40
|
55
|
69
|
69
|
56
|
80
|
65
|
92
|
120
|
66
|
70
|
66
|
31
|
28
|
46
|
74
|
73
|
30
|
24
|
58
|
46
|
30
|
32
|
37
|
55
|
67
|
|
|
2024/10
|
18
|
16
|
37
|
60
|
78
|
61
|
21
|
49
|
70
|
64
|
54
|
82
|
69
|
55
|
72
|
41
|
64
|
17
|
30
|
20
|
38
|
46
|
51
|
80
|
107
|
61
|
55
|
49
|
94
|
94
|
71
|
|
2024/09
|
43
|
19
|
23
|
39
|
30
|
14
|
18
|
35
|
44
|
33
|
17
|
30
|
26
|
24
|
18
|
24
|
40
|
37
|
30
|
23
|
19
|
21
|
32
|
48
|
60
|
23
|
25
|
43
|
41
|
20
|
|
|
2024/08
|
36
|
43
|
35
|
19
|
23
|
27
|
27
|
38
|
28
|
51
|
49
|
32
|
38
|
30
|
26
|
25
|
35
|
28
|
11
|
18
|
31
|
38
|
50
|
15
|
26
|
21
|
20
|
26
|
22
|
48
|
48
|
|
2024/07
|
49
|
44
|
41
|
44
|
39
|
16
|
35
|
27
|
55
|
50
|
67
|
72
|
83
|
44
|
31
|
24
|
34
|
47
|
40
|
22
|
37
|
24
|
40
|
40
|
18
|
10
|
11
|
13
|
16
|
29
|
27
|
|
2024/06
|
29
|
67
|
49
|
43
|
46
|
56
|
52
|
56
|
69
|
73
|
84
|
68
|
59
|
28
|
25
|
35
|
55
|
56
|
43
|
21
|
26
|
42
|
70
|
58
|
43
|
71
|
42
|
44
|
36
|
46
|
|
|
2024/05
|
48
|
56
|
64
|
47
|
34
|
63
|
76
|
68
|
73
|
69
|
228
|
53
|
64
|
97
|
41
|
54
|
68
|
77
|
54
|
18
|
37
|
51
|
57
|
36
|
35
|
36
|
29
|
30
|
53
|
58
|
42
|
|
2024/04
|
68
|
59
|
46
|
44
|
62
|
78
|
89
|
115
|
94
|
177
|
120
|
73
|
63
|
36
|
122
|
80
|
82
|
99
|
77
|
74
|
49
|
82
|
42
|
38
|
79
|
72
|
70
|
52
|
31
|
41
|
|
|
2024/03
|
40
|
82
|
100
|
85
|
62
|
41
|
80
|
33
|
59
|
110
|
146
|
114
|
110
|
121
|
103
|
82
|
92
|
92
|
114
|
45
|
86
|
81
|
75
|
58
|
31
|
67
|
79
|
229
|
181
|
99
|
77
|
|
2024/02
|
29
|
43
|
29
|
28
|
79
|
103
|
111
|
128
|
183
|
177
|
171
|
140
|
102
|
109
|
33
|
63
|
56
|
50
|
35
|
39
|
30
|
28
|
27
|
64
|
103
|
63
|
55
|
84
|
66
|
||
|
2024/01
|
65
|
187
|
125
|
96
|
85
|
53
|
33
|
62
|
61
|
50
|
150
|
134
|
143
|
68
|
54
|
110
|
104
|
54
|
36
|
43
|
34
|
24
|
32
|
47
|
69
|
61
|
68
|
78
|
98
|
111
|
86
|
|
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