Air Quality
Excellent
No health implications.
24
PM2.5
33
PM10
27
O3
0.7
CO
4
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jun
73
Good
Sun
8 Jun
70
Good
Mon
9 Jun
61
Good
Tue
10 Jun
60
Good
Wed
11 Jun
60
Good
Thu
12 Jun
60
Good
Fri
13 Jun
43
Excellent
Air quality in the last 12 months (Hui'an)
|
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
|
|
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
|
|
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