Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
65
*
PM10
108
O3
0.4
CO
15
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 May
43
Excellent
Sat
10 May
52
Good
Sun
11 May
50
Excellent
Mon
12 May
52
Good
Tue
13 May
53
Good
Wed
14 May
48
Excellent
Thu
15 May
23
Excellent
Air quality in the last 12 months (Aihui)
|
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
|
|
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
|
|
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