Air Quality
Excellent
No health implications.
15
PM2.5
16
PM10
37
O3
0.2
CO
12
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
49
Excellent
Thu
13 Aug
51
Good
Fri
14 Aug
40
Excellent
Sat
15 Aug
41
Excellent
Sun
16 Aug
44
Excellent
Mon
17 Aug
48
Excellent
Tue
18 Aug
24
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