Air Quality
Excellent
No health implications.
15
PM2.5
17
PM10
49
O3
0.3
CO
8
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
42
Excellent
Sat
21 Dec
52
Good
Sun
22 Dec
58
Good
Mon
23 Dec
58
Good
Tue
24 Dec
63
Good
Wed
25 Dec
16
Excellent
Thu
26 Dec
21
Excellent
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