Air Quality
Excellent
No health implications.
28
PM2.5
37
PM10
83
O3
0.8
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
64
Good
Sat
17 May
67
Good
Sun
18 May
64
Good
Mon
19 May
63
Good
Tue
20 May
61
Good
Wed
21 May
23
Excellent
Thu
22 May
32
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