Air Quality
Excellent
No health implications.
30
PM2.5
42
PM10
62
O3
0.6
CO
7
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Jul
96
Good
Sun
6 Jul
95
Good
Mon
7 Jul
99
Good
Tue
8 Jul
84
Good
Wed
9 Jul
94
Good
Thu
10 Jul
25
Excellent
Fri
11 Jul
43
Excellent
Air quality in the last 12 months (Chaohu)
|
2025/05
|
56
|
62
|
58
|
47
|
47
|
107
|
96
|
49
|
29
|
38
|
47
|
53
|
55
|
59
|
58
|
32
|
60
|
87
|
70
|
45
|
25
|
43
|
52
|
70
|
63
|
60
|
63
|
58
|
51
|
50
|
53
|
|
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
|
|
|
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