Air Quality
Excellent
No health implications.
18
PM2.5
21
PM10
18
O3
0.4
CO
8
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Aug
45
Excellent
Thu
27 Aug
56
Good
Fri
28 Aug
51
Good
Sat
29 Aug
49
Excellent
Sun
30 Aug
44
Excellent
Mon
31 Aug
47
Excellent
Tue
1 Sep
36
Excellent
Air quality in the last 12 months (Aihui)
|
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
|
|
|
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
|
|
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