Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
53
O3
0.3
CO
2
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Nov
55
Good
Sun
17 Nov
48
Excellent
Mon
18 Nov
42
Excellent
Tue
19 Nov
47
Excellent
Wed
20 Nov
41
Excellent
Thu
21 Nov
44
Excellent
Fri
22 Nov
44
Excellent
Air quality in the last 12 months (Hui'an)
|
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
|
|
2023/11
|
33
|
34
|
43
|
43
|
58
|
59
|
39
|
44
|
46
|
43
|
22
|
24
|
31
|
33
|
29
|
24
|
53
|
63
|
50
|
44
|
36
|
37
|
46
|
72
|
39
|
31
|
46
|
53
|
59
|
63
|
|
|
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