Air Quality
Excellent
No health implications.
17
PM2.5
29
PM10
127
O3
0.5
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jun
82
Good
Sat
14 Jun
76
Good
Sun
15 Jun
73
Good
Mon
16 Jun
93
Good
Tue
17 Jun
100
Good
Wed
18 Jun
103
Light
Thu
19 Jun
39
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