Air Quality
Excellent
No health implications.
11
PM2.5
13
PM10
77
O3
0.1
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Sep
41
Excellent
Sat
26 Sep
49
Excellent
Sun
27 Sep
48
Excellent
Mon
28 Sep
48
Excellent
Tue
29 Sep
48
Excellent
Wed
30 Sep
51
Good
Thu
1 Oct
44
Excellent
Air quality in the last 12 months (Aihui)
|
2026/08
|
25
|
28
|
21
|
20
|
29
|
30
|
37
|
23
|
26
|
27
|
28
|
23
|
20
|
23
|
26
|
21
|
24
|
25
|
28
|
26
|
22
|
28
|
27
|
20
|
25
|
22
|
23
|
25
|
20
|
18
|
18
|
|
2026/07
|
33
|
28
|
25
|
24
|
21
|
16
|
18
|
19
|
15
|
21
|
26
|
24
|
22
|
21
|
20
|
15
|
14
|
19
|
21
|
21
|
22
|
24
|
23
|
34
|
21
|
16
|
16
|
21
|
21
|
27
|
19
|
|
2026/06
|
27
|
20
|
27
|
16
|
19
|
14
|
15
|
20
|
24
|
30
|
31
|
29
|
21
|
24
|
28
|
30
|
30
|
29
|
29
|
28
|
26
|
29
|
29
|
24
|
33
|
24
|
24
|
25
|
30
|
32
|
|
|
2026/05
|
26
|
24
|
28
|
29
|
26
|
25
|
25
|
32
|
25
|
49
|
28
|
63
|
83
|
75
|
49
|
38
|
35
|
55
|
33
|
29
|
36
|
39
|
27
|
27
|
26
|
26
|
23
|
26
|
27
|
23
|
36
|
|
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
|
|
|
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