Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
67
O3
0.4
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
47
Excellent
Tue
24 Dec
52
Good
Wed
25 Dec
46
Excellent
Thu
26 Dec
51
Good
Fri
27 Dec
50
Excellent
Sat
28 Dec
50
Excellent
Sun
29 Dec
43
Excellent
Air quality in the last 12 months (Hui'an)
|
2024/11
|
19
|
17
|
33
|
35
|
44
|
44
|
31
|
27
|
27
|
29
|
22
|
22
|
23
|
21
|
20
|
18
|
23
|
28
|
16
|
13
|
12
|
28
|
36
|
27
|
17
|
18
|
36
|
33
|
39
|
42
|
|
|
2024/10
|
13
|
12
|
15
|
15
|
15
|
18
|
19
|
11
|
31
|
39
|
42
|
35
|
27
|
31
|
32
|
27
|
34
|
38
|
34
|
18
|
25
|
30
|
38
|
36
|
21
|
25
|
24
|
19
|
34
|
39
|
21
|
|
2024/09
|
39
|
38
|
32
|
23
|
22
|
17
|
18
|
20
|
20
|
40
|
51
|
41
|
21
|
20
|
23
|
22
|
21
|
27
|
24
|
20
|
23
|
8
|
10
|
20
|
28
|
17
|
18
|
21
|
24
|
17
|
|
|
2024/08
|
28
|
44
|
50
|
37
|
34
|
28
|
31
|
42
|
42
|
44
|
46
|
48
|
41
|
31
|
26
|
15
|
18
|
18
|
18
|
12
|
21
|
25
|
34
|
40
|
43
|
42
|
54
|
46
|
35
|
43
|
40
|
|
2024/07
|
21
|
21
|
22
|
25
|
28
|
21
|
20
|
22
|
21
|
24
|
25
|
30
|
26
|
29
|
34
|
33
|
25
|
24
|
28
|
30
|
29
|
33
|
27
|
18
|
10
|
14
|
15
|
28
|
24
|
26
|
14
|
|
2024/06
|
12
|
7
|
17
|
28
|
25
|
19
|
22
|
23
|
29
|
18
|
17
|
28
|
28
|
30
|
23
|
20
|
20
|
20
|
20
|
17
|
24
|
31
|
25
|
20
|
23
|
25
|
28
|
21
|
20
|
22
|
|
|
2024/05
|
26
|
22
|
30
|
34
|
33
|
44
|
43
|
45
|
42
|
33
|
47
|
42
|
24
|
31
|
38
|
43
|
38
|
42
|
32
|
17
|
9
|
10
|
23
|
49
|
44
|
29
|
22
|
26
|
29
|
31
|
31
|
|
2024/04
|
33
|
55
|
42
|
35
|
20
|
29
|
16
|
33
|
26
|
50
|
46
|
54
|
47
|
52
|
58
|
51
|
49
|
41
|
65
|
61
|
35
|
30
|
39
|
30
|
50
|
36
|
34
|
25
|
43
|
27
|
|
|
2024/03
|
14
|
33
|
39
|
48
|
56
|
32
|
40
|
59
|
59
|
56
|
52
|
43
|
65
|
56
|
41
|
51
|
63
|
48
|
45
|
59
|
58
|
70
|
62
|
40
|
33
|
41
|
36
|
55
|
48
|
54
|
37
|
|
2024/02
|
53
|
27
|
24
|
23
|
26
|
26
|
18
|
28
|
61
|
138
|
58
|
48
|
57
|
87
|
73
|
27
|
36
|
73
|
42
|
30
|
25
|
25
|
19
|
27
|
40
|
36
|
31
|
42
|
59
|
||
|
2024/01
|
73
|
59
|
50
|
44
|
55
|
62
|
89
|
55
|
57
|
56
|
86
|
84
|
50
|
35
|
75
|
44
|
37
|
59
|
43
|
30
|
25
|
20
|
21
|
28
|
38
|
53
|
65
|
77
|
45
|
37
|
44
|
|
2023/12
|
43
|
34
|
30
|
23
|
34
|
41
|
40
|
53
|
68
|
67
|
70
|
27
|
26
|
35
|
66
|
21
|
28
|
25
|
25
|
17
|
42
|
44
|
26
|
31
|
46
|
44
|
37
|
36
|
36
|
61
|
73
|
|
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