Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
56
PM2.5
210
*
PM10
92
O3
0.6
CO
12
SO2
23
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
21 Feb
134
Light
Sun
22 Feb
144
Light
Mon
23 Feb
59
Good
Tue
24 Feb
64
Good
Wed
25 Feb
65
Good
Thu
26 Feb
71
Good
Fri
27 Feb
19
Excellent
Hekou Air quality rank
Air quality in the last 12 months (Hekou)
|
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
|
|
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
|
|||
|
1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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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