Air Quality
Excellent
No health implications.
14
PM2.5
26
PM10
78
O3
0.6
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
48
Excellent
Fri
29 May
38
Excellent
Sat
30 May
47
Excellent
Sun
31 May
53
Good
Mon
1 Jun
58
Good
Tue
2 Jun
41
Excellent
Wed
3 Jun
17
Excellent
Air quality in the last 12 months (Aihui)
|
2026/04
|
39
|
30
|
29
|
29
|
36
|
42
|
32
|
33
|
30
|
31
|
42
|
24
|
24
|
28
|
32
|
39
|
29
|
30
|
31
|
29
|
25
|
24
|
24
|
26
|
38
|
27
|
28
|
26
|
29
|
38
|
|
|
2026/03
|
44
|
37
|
41
|
27
|
29
|
30
|
30
|
48
|
30
|
36
|
32
|
38
|
29
|
28
|
32
|
30
|
40
|
34
|
44
|
34
|
31
|
39
|
32
|
37
|
57
|
44
|
35
|
27
|
24
|
27
|
58
|
|
2026/02
|
24
|
38
|
37
|
32
|
22
|
25
|
26
|
32
|
42
|
51
|
32
|
32
|
43
|
32
|
28
|
42
|
38
|
22
|
35
|
58
|
64
|
32
|
20
|
24
|
39
|
21
|
26
|
32
|
|||
|
2026/01
|
25
|
34
|
22
|
20
|
29
|
31
|
24
|
27
|
31
|
28
|
32
|
55
|
24
|
36
|
24
|
19
|
24
|
42
|
34
|
21
|
16
|
22
|
19
|
23
|
21
|
19
|
21
|
20
|
18
|
20
|
26
|
|
2025/12
|
22
|
21
|
20
|
27
|
34
|
37
|
31
|
22
|
25
|
23
|
21
|
28
|
29
|
38
|
29
|
27
|
26
|
39
|
44
|
25
|
32
|
40
|
42
|
40
|
22
|
23
|
29
|
58
|
56
|
29
|
22
|
|
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
|
|
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