Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
29
O3
1.2
CO
4
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
40
Excellent
Sat
9 Nov
43
Excellent
Sun
10 Nov
44
Excellent
Mon
11 Nov
41
Excellent
Tue
12 Nov
39
Excellent
Wed
13 Nov
41
Excellent
Thu
14 Nov
39
Excellent
Air quality in the last 12 months (Huidong)
|
2024/10
|
14
|
23
|
29
|
32
|
21
|
18
|
20
|
29
|
21
|
21
|
21
|
25
|
32
|
31
|
25
|
23
|
30
|
37
|
42
|
36
|
29
|
25
|
25
|
36
|
39
|
36
|
25
|
32
|
42
|
39
|
35
|
|
2024/09
|
29
|
18
|
25
|
28
|
22
|
26
|
32
|
26
|
24
|
18
|
24
|
25
|
28
|
32
|
36
|
25
|
24
|
27
|
37
|
39
|
35
|
27
|
24
|
40
|
35
|
33
|
38
|
19
|
21
|
25
|
|
|
2024/08
|
38
|
40
|
33
|
28
|
25
|
23
|
21
|
18
|
19
|
24
|
46
|
41
|
43
|
46
|
45
|
39
|
37
|
31
|
35
|
38
|
39
|
41
|
30
|
36
|
34
|
29
|
26
|
37
|
40
|
42
|
35
|
|
2024/07
|
21
|
22
|
20
|
13
|
12
|
19
|
15
|
16
|
20
|
23
|
17
|
20
|
21
|
24
|
17
|
21
|
23
|
28
|
28
|
24
|
25
|
30
|
33
|
34
|
26
|
33
|
40
|
31
|
20
|
17
|
32
|
|
2024/06
|
32
|
36
|
25
|
23
|
17
|
24
|
18
|
18
|
13
|
25
|
22
|
20
|
25
|
21
|
29
|
34
|
21
|
24
|
24
|
30
|
32
|
28
|
23
|
20
|
24
|
28
|
25
|
16
|
20
|
25
|
|
|
2024/05
|
43
|
43
|
33
|
36
|
47
|
43
|
37
|
34
|
28
|
32
|
27
|
19
|
22
|
32
|
21
|
29
|
37
|
28
|
22
|
24
|
28
|
35
|
29
|
29
|
22
|
15
|
19
|
23
|
18
|
21
|
20
|
|
2024/04
|
23
|
34
|
41
|
41
|
41
|
52
|
40
|
34
|
40
|
38
|
45
|
47
|
36
|
43
|
46
|
47
|
53
|
38
|
38
|
36
|
25
|
37
|
42
|
36
|
33
|
40
|
41
|
46
|
33
|
40
|
|
|
2024/03
|
30
|
35
|
26
|
26
|
24
|
27
|
27
|
28
|
28
|
34
|
30
|
54
|
49
|
42
|
45
|
43
|
46
|
37
|
46
|
55
|
52
|
34
|
20
|
25
|
33
|
35
|
38
|
32
|
37
|
45
|
35
|
|
2024/02
|
35
|
49
|
39
|
30
|
34
|
29
|
27
|
30
|
32
|
43
|
44
|
39
|
31
|
31
|
39
|
38
|
28
|
31
|
29
|
29
|
34
|
41
|
49
|
39
|
40
|
35
|
31
|
28
|
32
|
||
|
2024/01
|
46
|
37
|
45
|
46
|
47
|
56
|
54
|
52
|
52
|
50
|
51
|
69
|
78
|
82
|
74
|
38
|
35
|
38
|
43
|
59
|
53
|
29
|
44
|
44
|
33
|
27
|
33
|
30
|
33
|
40
|
29
|
|
2023/12
|
49
|
34
|
38
|
36
|
43
|
31
|
45
|
52
|
46
|
30
|
28
|
41
|
35
|
26
|
35
|
40
|
38
|
22
|
31
|
51
|
57
|
42
|
38
|
45
|
42
|
35
|
44
|
46
|
42
|
52
|
52
|
|
2023/11
|
41
|
43
|
39
|
36
|
27
|
39
|
44
|
43
|
44
|
45
|
48
|
49
|
38
|
37
|
31
|
30
|
51
|
64
|
61
|
56
|
47
|
47
|
52
|
47
|
38
|
42
|
52
|
57
|
47
|
53
|
|
|
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