Air Quality
Excellent
No health implications.
11
PM2.5
14
PM10
47
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Dec
62
Good
Wed
10 Dec
62
Good
Thu
11 Dec
58
Good
Fri
12 Dec
57
Good
Sat
13 Dec
53
Good
Sun
14 Dec
21
Excellent
Mon
15 Dec
42
Excellent
Aihui Air quality rank
Air quality in the last 12 months (Aihui)
|
2025/11
|
25
|
23
|
33
|
69
|
24
|
22
|
23
|
22
|
67
|
30
|
28
|
38
|
22
|
28
|
26
|
25
|
24
|
24
|
34
|
23
|
21
|
48
|
39
|
27
|
26
|
37
|
38
|
28
|
41
|
26
|
|
|
2025/10
|
28
|
30
|
31
|
27
|
22
|
24
|
22
|
31
|
32
|
30
|
24
|
24
|
31
|
25
|
24
|
26
|
24
|
25
|
23
|
24
|
24
|
29
|
33
|
42
|
113
|
71
|
47
|
26
|
37
|
30
|
22
|
|
2025/09
|
24
|
28
|
21
|
30
|
28
|
25
|
23
|
26
|
16
|
20
|
25
|
20
|
31
|
17
|
21
|
22
|
21
|
22
|
20
|
26
|
23
|
25
|
32
|
26
|
20
|
24
|
27
|
30
|
33
|
41
|
|
|
2025/08
|
18
|
21
|
19
|
24
|
20
|
17
|
22
|
23
|
20
|
12
|
22
|
22
|
22
|
19
|
18
|
19
|
20
|
25
|
20
|
23
|
28
|
21
|
15
|
24
|
28
|
26
|
29
|
30
|
26
|
19
|
21
|
|
2025/07
|
19
|
16
|
19
|
24
|
27
|
24
|
22
|
22
|
22
|
27
|
27
|
23
|
26
|
25
|
28
|
27
|
26
|
24
|
22
|
18
|
18
|
19
|
23
|
28
|
21
|
25
|
22
|
24
|
18
|
17
|
16
|
|
2025/06
|
25
|
27
|
24
|
18
|
18
|
19
|
21
|
19
|
21
|
24
|
31
|
30
|
19
|
19
|
29
|
30
|
26
|
30
|
25
|
20
|
17
|
22
|
32
|
32
|
38
|
36
|
33
|
41
|
32
|
27
|
|
|
2025/05
|
28
|
24
|
20
|
20
|
17
|
25
|
30
|
38
|
43
|
40
|
73
|
105
|
71
|
31
|
48
|
26
|
28
|
17
|
16
|
19
|
18
|
23
|
22
|
25
|
25
|
25
|
28
|
46
|
52
|
57
|
35
|
|
2025/04
|
39
|
49
|
40
|
39
|
41
|
26
|
45
|
34
|
36
|
28
|
29
|
20
|
17
|
24
|
23
|
26
|
32
|
44
|
28
|
27
|
23
|
45
|
45
|
26
|
17
|
20
|
28
|
20
|
32
|
34
|
|
|
2025/03
|
25
|
22
|
24
|
43
|
56
|
38
|
30
|
36
|
36
|
59
|
30
|
27
|
23
|
23
|
21
|
23
|
23
|
23
|
24
|
34
|
18
|
20
|
20
|
18
|
19
|
23
|
25
|
18
|
19
|
21
|
30
|
|
2025/02
|
37
|
54
|
21
|
20
|
19
|
20
|
19
|
18
|
23
|
26
|
48
|
59
|
25
|
28
|
42
|
21
|
20
|
21
|
21
|
18
|
19
|
19
|
17
|
24
|
37
|
26
|
31
|
36
|
|||
|
2025/01
|
55
|
69
|
48
|
34
|
39
|
23
|
27
|
23
|
23
|
28
|
34
|
82
|
72
|
26
|
32
|
28
|
48
|
48
|
43
|
38
|
45
|
43
|
47
|
70
|
86
|
45
|
26
|
28
|
30
|
23
|
25
|
|
2024/12
|
30
|
27
|
37
|
27
|
34
|
23
|
22
|
27
|
30
|
35
|
26
|
19
|
25
|
24
|
22
|
26
|
25
|
24
|
23
|
26
|
25
|
44
|
34
|
29
|
25
|
27
|
28
|
24
|
37
|
61
|
41
|
|
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