Air Quality
Excellent
No health implications.
28
PM2.5
49
PM10
90
O3
0.4
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Dec
76
Good
Tue
16 Dec
82
Good
Wed
17 Dec
115
Light
Thu
18 Dec
105
Light
Fri
19 Dec
108
Light
Sat
20 Dec
106
Light
Sun
21 Dec
17
Excellent
Air quality in the last 12 months (Hukou)
|
2025/11
|
66
|
67
|
86
|
80
|
86
|
86
|
44
|
35
|
35
|
70
|
54
|
41
|
47
|
70
|
98
|
92
|
70
|
27
|
41
|
54
|
69
|
81
|
81
|
73
|
94
|
76
|
98
|
104
|
78
|
67
|
|
|
2025/10
|
41
|
49
|
43
|
44
|
54
|
42
|
65
|
73
|
64
|
60
|
78
|
66
|
65
|
48
|
87
|
41
|
55
|
21
|
13
|
30
|
25
|
30
|
30
|
47
|
74
|
84
|
68
|
97
|
127
|
121
|
50
|
|
2025/09
|
22
|
32
|
38
|
38
|
44
|
43
|
38
|
44
|
18
|
17
|
18
|
23
|
34
|
21
|
26
|
41
|
45
|
31
|
45
|
25
|
44
|
39
|
46
|
14
|
17
|
25
|
37
|
56
|
43
|
47
|
|
|
2025/08
|
37
|
34
|
38
|
30
|
20
|
18
|
22
|
24
|
32
|
35
|
38
|
28
|
27
|
29
|
16
|
18
|
27
|
27
|
18
|
20
|
23
|
24
|
22
|
26
|
29
|
25
|
23
|
23
|
23
|
35
|
18
|
|
2025/07
|
20
|
30
|
37
|
33
|
32
|
40
|
38
|
42
|
27
|
29
|
40
|
27
|
26
|
38
|
34
|
34
|
30
|
28
|
31
|
17
|
15
|
16
|
18
|
25
|
23
|
26
|
23
|
26
|
20
|
27
|
26
|
|
2025/06
|
20
|
22
|
29
|
42
|
32
|
30
|
39
|
26
|
31
|
35
|
28
|
29
|
37
|
28
|
25
|
34
|
22
|
16
|
21
|
18
|
26
|
20
|
22
|
31
|
43
|
36
|
29
|
24
|
24
|
23
|
|
|
2025/05
|
55
|
52
|
58
|
54
|
34
|
91
|
142
|
42
|
36
|
58
|
50
|
56
|
50
|
64
|
82
|
34
|
43
|
87
|
41
|
33
|
28
|
27
|
37
|
62
|
70
|
69
|
69
|
52
|
40
|
31
|
32
|
|
2025/04
|
68
|
62
|
61
|
67
|
83
|
63
|
58
|
68
|
73
|
62
|
47
|
185
|
118
|
120
|
55
|
51
|
64
|
66
|
69
|
60
|
27
|
48
|
70
|
47
|
54
|
43
|
37
|
58
|
63
|
64
|
|
|
2025/03
|
44
|
43
|
24
|
42
|
50
|
61
|
68
|
66
|
72
|
66
|
53
|
57
|
53
|
45
|
25
|
51
|
40
|
48
|
47
|
49
|
46
|
49
|
65
|
69
|
54
|
70
|
72
|
66
|
68
|
66
|
61
|
|
2025/02
|
50
|
38
|
66
|
81
|
57
|
52
|
76
|
42
|
36
|
52
|
61
|
85
|
82
|
66
|
74
|
67
|
68
|
57
|
58
|
53
|
43
|
46
|
77
|
98
|
91
|
75
|
63
|
48
|
|||
|
2025/01
|
90
|
101
|
138
|
102
|
91
|
90
|
62
|
66
|
58
|
42
|
60
|
75
|
78
|
74
|
70
|
53
|
62
|
66
|
80
|
103
|
91
|
102
|
144
|
89
|
46
|
31
|
58
|
84
|
185
|
68
|
78
|
|
2024/12
|
47
|
56
|
94
|
74
|
42
|
60
|
72
|
69
|
55
|
64
|
47
|
86
|
99
|
61
|
61
|
57
|
64
|
100
|
41
|
67
|
90
|
59
|
69
|
76
|
106
|
107
|
112
|
81
|
66
|
87
|
92
|
|
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