Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
94
O3
0.7
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
75
Good
Tue
6 May
82
Good
Wed
7 May
81
Good
Thu
8 May
54
Good
Fri
9 May
56
Good
Sat
10 May
40
Excellent
Sun
11 May
27
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