Air Quality
Excellent
No health implications.
12
PM2.5
16
PM10
48
O3
0.5
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Dec
54
Good
Mon
30 Dec
54
Good
Tue
31 Dec
49
Excellent
Wed
1 Jan
60
Good
Thu
2 Jan
47
Excellent
Fri
3 Jan
43
Excellent
Sat
4 Jan
17
Excellent
Aihui Air quality rank
Air quality in the last 12 months (Aihui)
|
2024/11
|
25
|
24
|
28
|
21
|
22
|
24
|
48
|
152
|
141
|
68
|
22
|
24
|
33
|
50
|
28
|
26
|
22
|
24
|
35
|
41
|
31
|
24
|
29
|
99
|
75
|
26
|
29
|
25
|
23
|
24
|
|
|
2024/10
|
24
|
37
|
26
|
32
|
32
|
24
|
51
|
34
|
50
|
53
|
24
|
23
|
28
|
59
|
21
|
23
|
23
|
28
|
24
|
29
|
51
|
30
|
32
|
34
|
41
|
29
|
51
|
39
|
107
|
56
|
43
|
|
2024/09
|
24
|
24
|
24
|
22
|
20
|
21
|
30
|
23
|
37
|
37
|
21
|
26
|
19
|
21
|
26
|
29
|
28
|
24
|
20
|
20
|
21
|
30
|
28
|
30
|
26
|
29
|
30
|
33
|
21
|
22
|
|
|
2024/08
|
33
|
26
|
25
|
23
|
17
|
28
|
31
|
20
|
21
|
26
|
23
|
26
|
24
|
28
|
37
|
35
|
22
|
22
|
34
|
35
|
29
|
24
|
29
|
28
|
23
|
19
|
22
|
24
|
26
|
24
|
20
|
|
2024/07
|
55
|
63
|
55
|
66
|
62
|
88
|
104
|
98
|
94
|
80
|
77
|
110
|
113
|
83
|
61
|
52
|
34
|
33
|
32
|
24
|
25
|
26
|
28
|
26
|
28
|
25
|
21
|
16
|
25
|
24
|
22
|
|
2024/06
|
30
|
39
|
31
|
27
|
21
|
29
|
32
|
18
|
24
|
27
|
29
|
24
|
28
|
25
|
28
|
20
|
22
|
30
|
26
|
24
|
24
|
21
|
24
|
32
|
35
|
34
|
36
|
40
|
46
|
44
|
|
|
2024/05
|
34
|
35
|
55
|
46
|
25
|
32
|
29
|
44
|
23
|
34
|
39
|
44
|
29
|
25
|
17
|
23
|
30
|
30
|
21
|
30
|
30
|
24
|
24
|
25
|
26
|
32
|
51
|
63
|
28
|
30
|
31
|
|
2024/04
|
20
|
24
|
25
|
29
|
34
|
20
|
27
|
24
|
22
|
43
|
39
|
94
|
40
|
51
|
66
|
25
|
22
|
24
|
24
|
44
|
83
|
50
|
30
|
27
|
24
|
23
|
22
|
23
|
25
|
32
|
|
|
2024/03
|
20
|
22
|
19
|
25
|
27
|
28
|
22
|
24
|
22
|
36
|
27
|
23
|
38
|
39
|
30
|
22
|
23
|
26
|
26
|
25
|
25
|
30
|
31
|
22
|
22
|
28
|
45
|
103
|
34
|
22
|
17
|
|
2024/02
|
24
|
28
|
33
|
27
|
35
|
32
|
29
|
26
|
76
|
78
|
53
|
44
|
41
|
29
|
31
|
26
|
49
|
39
|
25
|
23
|
24
|
28
|
23
|
62
|
47
|
36
|
36
|
32
|
26
|
||
|
2024/01
|
33
|
33
|
60
|
34
|
28
|
23
|
23
|
37
|
26
|
35
|
25
|
24
|
34
|
28
|
25
|
30
|
28
|
31
|
31
|
27
|
22
|
31
|
44
|
27
|
41
|
46
|
51
|
39
|
32
|
31
|
30
|
|
2023/12
|
25
|
27
|
31
|
39
|
33
|
30
|
30
|
36
|
25
|
24
|
24
|
24
|
27
|
22
|
24
|
23
|
25
|
29
|
25
|
24
|
25
|
36
|
52
|
63
|
55
|
40
|
34
|
39
|
50
|
24
|
27
|
|
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