Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
62
O3
0.7
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Oct
47
Excellent
Tue
6 Oct
50
Excellent
Wed
7 Oct
56
Good
Thu
8 Oct
56
Good
Fri
9 Oct
54
Good
Sat
10 Oct
58
Good
Sun
11 Oct
23
Excellent
Air quality in the last 12 months (Hui'an)
|
2026/08
|
33
|
42
|
50
|
27
|
28
|
28
|
39
|
30
|
17
|
29
|
44
|
41
|
37
|
27
|
25
|
22
|
28
|
21
|
18
|
14
|
21
|
28
|
20
|
20
|
19
|
17
|
30
|
35
|
24
|
22
|
21
|
|
2026/07
|
23
|
23
|
21
|
21
|
17
|
17
|
17
|
25
|
38
|
28
|
24
|
35
|
20
|
19
|
18
|
20
|
22
|
28
|
31
|
27
|
40
|
49
|
51
|
42
|
23
|
20
|
17
|
17
|
26
|
29
|
46
|
|
2026/06
|
47
|
49
|
44
|
29
|
33
|
43
|
33
|
24
|
29
|
31
|
34
|
35
|
31
|
17
|
17
|
17
|
19
|
18
|
18
|
23
|
39
|
39
|
36
|
35
|
25
|
21
|
22
|
29
|
30
|
24
|
|
|
2026/05
|
31
|
39
|
35
|
26
|
29
|
28
|
35
|
40
|
30
|
28
|
37
|
35
|
26
|
19
|
26
|
29
|
29
|
31
|
33
|
38
|
26
|
33
|
40
|
39
|
32
|
33
|
43
|
33
|
41
|
50
|
48
|
|
2026/04
|
30
|
31
|
28
|
23
|
33
|
38
|
32
|
37
|
40
|
38
|
35
|
31
|
37
|
31
|
40
|
33
|
49
|
34
|
33
|
49
|
39
|
41
|
34
|
21
|
34
|
44
|
54
|
54
|
27
|
22
|
|
|
2026/03
|
26
|
51
|
22
|
26
|
22
|
40
|
47
|
35
|
37
|
36
|
43
|
41
|
44
|
35
|
33
|
31
|
40
|
48
|
30
|
40
|
32
|
36
|
44
|
27
|
43
|
37
|
37
|
30
|
46
|
53
|
44
|
|
2026/02
|
20
|
37
|
46
|
43
|
53
|
54
|
24
|
37
|
33
|
34
|
41
|
53
|
46
|
49
|
41
|
61
|
33
|
38
|
41
|
62
|
63
|
64
|
71
|
71
|
33
|
38
|
42
|
17
|
|||
|
2026/01
|
28
|
26
|
36
|
37
|
52
|
26
|
39
|
43
|
50
|
55
|
59
|
59
|
56
|
50
|
57
|
57
|
56
|
43
|
40
|
27
|
29
|
42
|
32
|
31
|
29
|
37
|
32
|
28
|
40
|
31
|
21
|
|
2025/12
|
44
|
37
|
51
|
40
|
33
|
31
|
36
|
49
|
47
|
34
|
43
|
52
|
40
|
38
|
43
|
42
|
45
|
59
|
50
|
49
|
67
|
27
|
34
|
53
|
24
|
36
|
25
|
24
|
38
|
39
|
40
|
|
2025/11
|
26
|
43
|
39
|
12
|
15
|
22
|
32
|
31
|
31
|
35
|
19
|
7
|
10
|
32
|
45
|
34
|
32
|
26
|
25
|
34
|
36
|
40
|
38
|
42
|
45
|
79
|
53
|
94
|
74
|
57
|
|
|
2025/10
|
35
|
20
|
28
|
29
|
38
|
41
|
30
|
29
|
30
|
29
|
28
|
30
|
39
|
37
|
24
|
31
|
32
|
29
|
24
|
22
|
14
|
16
|
24
|
25
|
28
|
40
|
39
|
22
|
29
|
30
|
32
|
|
2025/09
|
37
|
37
|
42
|
40
|
31
|
18
|
17
|
17
|
19
|
30
|
27
|
35
|
40
|
32
|
33
|
25
|
20
|
21
|
18
|
17
|
23
|
21
|
22
|
23
|
24
|
17
|
21
|
22
|
37
|
32
|
|
|
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