Air Quality
Excellent
No health implications.
7
PM2.5
19
PM10
44
O3
0.3
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
41
Excellent
Sat
26 Jul
33
Excellent
Sun
27 Jul
40
Excellent
Mon
28 Jul
37
Excellent
Tue
29 Jul
43
Excellent
Wed
30 Jul
43
Excellent
Thu
31 Jul
17
Excellent
Hui'an Air quality rank
Air quality in the last 12 months (Hui'an)
|
2025/06
|
45
|
40
|
12
|
23
|
35
|
32
|
30
|
33
|
26
|
29
|
26
|
21
|
21
|
21
|
25
|
32
|
26
|
33
|
21
|
22
|
18
|
27
|
37
|
30
|
27
|
22
|
23
|
23
|
30
|
23
|
|
|
2025/05
|
62
|
54
|
55
|
47
|
41
|
42
|
49
|
46
|
29
|
30
|
30
|
35
|
35
|
41
|
38
|
27
|
21
|
24
|
29
|
32
|
31
|
45
|
47
|
21
|
49
|
37
|
29
|
17
|
12
|
31
|
40
|
|
2025/04
|
16
|
30
|
44
|
47
|
47
|
48
|
55
|
54
|
68
|
54
|
43
|
25
|
115
|
95
|
81
|
68
|
63
|
60
|
47
|
38
|
37
|
43
|
37
|
26
|
11
|
15
|
26
|
47
|
42
|
43
|
|
|
2025/03
|
70
|
33
|
27
|
29
|
11
|
13
|
31
|
42
|
32
|
36
|
49
|
51
|
39
|
29
|
38
|
17
|
46
|
36
|
43
|
45
|
43
|
48
|
64
|
70
|
66
|
46
|
34
|
53
|
24
|
7
|
9
|
|
2025/02
|
43
|
17
|
16
|
56
|
49
|
32
|
18
|
52
|
31
|
33
|
35
|
96
|
66
|
49
|
38
|
56
|
65
|
43
|
31
|
17
|
14
|
23
|
12
|
49
|
57
|
56
|
65
|
74
|
|||
|
2025/01
|
58
|
52
|
43
|
40
|
43
|
49
|
63
|
47
|
54
|
46
|
33
|
43
|
44
|
42
|
80
|
58
|
50
|
36
|
43
|
39
|
64
|
48
|
46
|
22
|
31
|
34
|
19
|
49
|
67
|
35
|
34
|
|
2024/12
|
44
|
46
|
28
|
42
|
38
|
35
|
25
|
54
|
37
|
29
|
30
|
20
|
29
|
47
|
73
|
48
|
39
|
41
|
42
|
25
|
41
|
57
|
32
|
24
|
29
|
50
|
62
|
76
|
45
|
45
|
53
|
|
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
|
|
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