Air Quality
Excellent
No health implications.
5
PM2.5
6
PM10
82
O3
0.7
CO
9
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
58
Good
Tue
22 Apr
77
Good
Wed
23 Apr
82
Good
Thu
24 Apr
81
Good
Fri
25 Apr
76
Good
Sat
26 Apr
51
Good
Sun
27 Apr
33
Excellent
Air quality in the last 12 months (Hukou)
|
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
|
|
2024/11
|
36
|
50
|
57
|
81
|
52
|
50
|
47
|
46
|
51
|
48
|
47
|
51
|
54
|
59
|
49
|
66
|
27
|
27
|
33
|
43
|
43
|
54
|
67
|
53
|
45
|
43
|
50
|
60
|
51
|
45
|
|
|
2024/10
|
28
|
45
|
37
|
33
|
40
|
35
|
18
|
31
|
47
|
64
|
75
|
74
|
96
|
89
|
53
|
36
|
29
|
47
|
25
|
34
|
43
|
36
|
43
|
39
|
47
|
42
|
20
|
56
|
79
|
54
|
43
|
|
2024/09
|
47
|
47
|
42
|
45
|
47
|
35
|
44
|
47
|
43
|
40
|
31
|
21
|
37
|
41
|
32
|
23
|
39
|
38
|
29
|
19
|
24
|
32
|
35
|
34
|
46
|
53
|
57
|
31
|
41
|
42
|
|
|
2024/08
|
17
|
23
|
30
|
28
|
38
|
29
|
33
|
38
|
41
|
39
|
40
|
56
|
35
|
18
|
27
|
29
|
46
|
34
|
16
|
23
|
24
|
29
|
31
|
34
|
42
|
49
|
42
|
20
|
34
|
42
|
41
|
|
2024/07
|
16
|
15
|
20
|
21
|
24
|
27
|
24
|
22
|
29
|
33
|
27
|
28
|
29
|
24
|
27
|
33
|
21
|
19
|
20
|
21
|
27
|
28
|
31
|
36
|
33
|
23
|
12
|
13
|
15
|
20
|
19
|
|
2024/06
|
27
|
38
|
26
|
29
|
26
|
30
|
30
|
30
|
36
|
27
|
20
|
24
|
21
|
21
|
22
|
28
|
27
|
18
|
16
|
22
|
28
|
21
|
17
|
17
|
17
|
28
|
11
|
13
|
23
|
18
|
|
|
2024/05
|
24
|
32
|
42
|
22
|
29
|
25
|
38
|
47
|
52
|
65
|
42
|
85
|
78
|
51
|
55
|
51
|
57
|
54
|
61
|
43
|
22
|
20
|
29
|
29
|
25
|
23
|
19
|
23
|
24
|
30
|
20
|
|
2024/04
|
23
|
15
|
35
|
41
|
45
|
42
|
39
|
26
|
31
|
39
|
50
|
35
|
27
|
34
|
42
|
50
|
29
|
30
|
24
|
34
|
36
|
36
|
53
|
108
|
66
|
27
|
41
|
42
|
27
|
24
|
|
|
2024/03
|
51
|
51
|
35
|
27
|
37
|
64
|
72
|
73
|
66
|
64
|
72
|
68
|
75
|
72
|
79
|
52
|
56
|
59
|
70
|
83
|
56
|
56
|
39
|
42
|
32
|
33
|
41
|
44
|
43
|
40
|
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