Air Quality
Excellent
No health implications.
11
PM2.5
12
PM10
115
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Apr
60
Good
Fri
10 Apr
90
Good
Sat
11 Apr
102
Light
Sun
12 Apr
98
Good
Mon
13 Apr
82
Good
Tue
14 Apr
84
Good
Wed
15 Apr
23
Excellent
Hekou Air quality rank
Air quality in the last 12 months (Hekou)
|
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
|
|
|
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
|
|
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