Air Quality
Excellent
No health implications.
15
PM2.5
27
PM10
52
O3
0.6
CO
6
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
70
Good
Mon
29 Apr
69
Good
Tue
30 Apr
74
Good
Wed
1 May
83
Good
Thu
2 May
88
Good
Fri
3 May
81
Good
Sat
4 May
83
Good
Air quality in the last 12 months (Chaohu)
|
2024/02
|
21
|
31
|
42
|
55
|
74
|
93
|
88
|
134
|
127
|
157
|
112
|
75
|
60
|
58
|
58
|
35
|
37
|
43
|
60
|
19
|
20
|
39
|
48
|
58
|
81
|
88
|
59
|
69
|
48
|
||
|
2024/01
|
162
|
124
|
91
|
68
|
73
|
140
|
127
|
59
|
119
|
174
|
119
|
93
|
102
|
174
|
56
|
53
|
52
|
39
|
29
|
84
|
88
|
47
|
30
|
45
|
60
|
80
|
91
|
92
|
117
|
123
|
68
|
|
2023/12
|
49
|
62
|
78
|
101
|
94
|
111
|
84
|
64
|
63
|
75
|
19
|
60
|
64
|
56
|
32
|
51
|
32
|
44
|
73
|
74
|
50
|
51
|
58
|
74
|
76
|
87
|
137
|
249
|
190
|
196
|
134
|
|
2023/11
|
63
|
55
|
73
|
90
|
61
|
41
|
52
|
55
|
60
|
37
|
31
|
57
|
53
|
56
|
73
|
105
|
88
|
58
|
66
|
73
|
70
|
67
|
103
|
53
|
46
|
77
|
81
|
94
|
89
|
44
|
|
|
2023/10
|
44
|
31
|
22
|
33
|
48
|
37
|
22
|
27
|
43
|
59
|
52
|
48
|
46
|
61
|
63
|
68
|
65
|
68
|
79
|
33
|
48
|
57
|
59
|
64
|
73
|
86
|
96
|
68
|
59
|
72
|
71
|
|
2023/09
|
39
|
45
|
51
|
42
|
33
|
32
|
39
|
48
|
56
|
58
|
68
|
33
|
21
|
23
|
29
|
37
|
44
|
47
|
54
|
25
|
23
|
21
|
22
|
32
|
43
|
44
|
55
|
58
|
58
|
30
|
|
|
2023/08
|
28
|
29
|
34
|
38
|
49
|
46
|
37
|
36
|
42
|
50
|
67
|
60
|
47
|
37
|
41
|
45
|
50
|
45
|
42
|
39
|
42
|
35
|
49
|
65
|
67
|
50
|
29
|
20
|
33
|
31
|
39
|
|
2023/07
|
40
|
34
|
28
|
28
|
37
|
37
|
31
|
25
|
20
|
29
|
36
|
39
|
42
|
40
|
48
|
46
|
28
|
31
|
30
|
21
|
27
|
19
|
27
|
35
|
40
|
37
|
28
|
18
|
17
|
19
|
25
|
|
2023/06
|
54
|
74
|
71
|
55
|
27
|
34
|
48
|
44
|
66
|
60
|
64
|
59
|
56
|
67
|
74
|
66
|
38
|
21
|
22
|
35
|
66
|
55
|
45
|
23
|
27
|
29
|
32
|
27
|
29
|
25
|
|
|
2023/05
|
77
|
61
|
44
|
39
|
26
|
46
|
41
|
39
|
50
|
52
|
52
|
67
|
61
|
67
|
66
|
58
|
31
|
35
|
36
|
59
|
73
|
149
|
77
|
43
|
50
|
51
|
24
|
34
|
43
|
40
|
46
|
|
2023/04
|
56
|
59
|
40
|
29
|
27
|
43
|
60
|
56
|
58
|
65
|
150
|
349
|
110
|
73
|
101
|
101
|
82
|
69
|
63
|
48
|
53
|
66
|
47
|
43
|
50
|
52
|
50
|
51
|
95
|
88
|
|
|
2023/03
|
95
|
96
|
75
|
94
|
86
|
70
|
68
|
78
|
72
|
68
|
61
|
102
|
69
|
69
|
110
|
106
|
26
|
42
|
56
|
63
|
50
|
22
|
89
|
122
|
58
|
86
|
105
|
90
|
65
|
46
|
51
|
|
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