Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
51
*
PM10
159
O3
0.7
CO
7
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 May
76
Good
Fri
23 May
65
Good
Sat
24 May
82
Good
Sun
25 May
97
Good
Mon
26 May
91
Good
Tue
27 May
100
Good
Wed
28 May
37
Excellent
Air quality in the last 12 months (Chaohu)
|
2025/04
|
49
|
66
|
52
|
65
|
80
|
69
|
67
|
72
|
73
|
73
|
67
|
182
|
99
|
83
|
57
|
59
|
69
|
69
|
80
|
61
|
47
|
57
|
65
|
75
|
63
|
56
|
47
|
64
|
62
|
62
|
|
|
2025/03
|
56
|
52
|
24
|
52
|
72
|
67
|
60
|
79
|
86
|
77
|
58
|
98
|
74
|
44
|
37
|
51
|
39
|
50
|
51
|
56
|
55
|
61
|
67
|
77
|
67
|
65
|
100
|
78
|
120
|
83
|
46
|
|
2025/02
|
48
|
60
|
99
|
81
|
56
|
48
|
73
|
36
|
43
|
55
|
73
|
104
|
61
|
94
|
102
|
91
|
74
|
55
|
67
|
64
|
47
|
68
|
95
|
79
|
86
|
121
|
78
|
56
|
|||
|
2025/01
|
100
|
120
|
137
|
116
|
119
|
82
|
55
|
71
|
48
|
53
|
68
|
75
|
87
|
105
|
65
|
65
|
75
|
80
|
101
|
128
|
122
|
153
|
130
|
57
|
35
|
62
|
52
|
58
|
133
|
73
|
101
|
|
2024/12
|
65
|
76
|
90
|
55
|
72
|
114
|
120
|
48
|
55
|
63
|
77
|
74
|
90
|
75
|
65
|
66
|
80
|
89
|
49
|
72
|
92
|
61
|
64
|
76
|
103
|
122
|
73
|
91
|
73
|
86
|
100
|
|
2024/11
|
36
|
61
|
65
|
67
|
47
|
47
|
45
|
44
|
53
|
42
|
53
|
57
|
54
|
64
|
76
|
62
|
29
|
31
|
30
|
39
|
44
|
67
|
41
|
45
|
39
|
42
|
65
|
60
|
49
|
61
|
|
|
2024/10
|
28
|
35
|
28
|
33
|
33
|
16
|
12
|
39
|
41
|
59
|
68
|
67
|
57
|
47
|
53
|
51
|
32
|
23
|
29
|
38
|
48
|
36
|
53
|
53
|
45
|
29
|
35
|
67
|
62
|
44
|
36
|
|
2024/09
|
49
|
46
|
32
|
38
|
39
|
43
|
45
|
49
|
31
|
37
|
19
|
14
|
29
|
45
|
30
|
30
|
22
|
24
|
27
|
23
|
25
|
31
|
30
|
38
|
50
|
53
|
28
|
44
|
46
|
47
|
|
|
2024/08
|
21
|
24
|
31
|
35
|
34
|
33
|
32
|
36
|
42
|
41
|
51
|
53
|
42
|
28
|
26
|
31
|
38
|
37
|
40
|
21
|
32
|
37
|
40
|
46
|
47
|
46
|
27
|
18
|
29
|
35
|
43
|
|
2024/07
|
16
|
16
|
23
|
23
|
24
|
23
|
24
|
24
|
30
|
26
|
31
|
26
|
14
|
12
|
28
|
43
|
32
|
26
|
26
|
22
|
27
|
28
|
42
|
39
|
26
|
25
|
14
|
12
|
19
|
28
|
29
|
|
2024/06
|
40
|
40
|
40
|
45
|
42
|
26
|
31
|
43
|
49
|
21
|
29
|
40
|
46
|
50
|
57
|
46
|
34
|
40
|
22
|
31
|
29
|
16
|
24
|
30
|
30
|
37
|
29
|
11
|
15
|
14
|
|
|
2024/05
|
35
|
39
|
41
|
42
|
38
|
41
|
50
|
52
|
42
|
56
|
52
|
111
|
84
|
62
|
65
|
40
|
59
|
64
|
49
|
53
|
49
|
39
|
53
|
62
|
50
|
34
|
27
|
30
|
36
|
34
|
37
|
|
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