Air Quality
Excellent
No health implications.
32
PM2.5
42
PM10
104
O3
0.6
CO
10
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jan
63
Good
Sat
4 Jan
61
Good
Sun
5 Jan
60
Good
Mon
6 Jan
56
Good
Tue
7 Jan
56
Good
Wed
8 Jan
94
Good
Thu
9 Jan
60
Good
Air quality in the last 12 months (Huidong)
|
2024/11
|
25
|
22
|
41
|
41
|
40
|
55
|
40
|
33
|
38
|
43
|
46
|
37
|
34
|
13
|
21
|
16
|
20
|
25
|
14
|
9
|
17
|
22
|
31
|
36
|
24
|
15
|
28
|
31
|
31
|
41
|
|
|
2024/10
|
29
|
29
|
36
|
30
|
28
|
30
|
30
|
41
|
33
|
30
|
40
|
46
|
37
|
32
|
34
|
30
|
27
|
30
|
39
|
32
|
35
|
31
|
26
|
34
|
38
|
39
|
41
|
21
|
22
|
33
|
39
|
|
2024/09
|
19
|
25
|
29
|
25
|
20
|
9
|
16
|
12
|
14
|
20
|
35
|
36
|
39
|
26
|
17
|
19
|
23
|
20
|
30
|
22
|
14
|
14
|
10
|
12
|
19
|
31
|
46
|
21
|
25
|
29
|
|
|
2024/08
|
28
|
26
|
29
|
33
|
41
|
29
|
31
|
34
|
26
|
26
|
26
|
21
|
18
|
23
|
23
|
23
|
12
|
17
|
18
|
20
|
11
|
19
|
25
|
33
|
29
|
31
|
34
|
39
|
30
|
23
|
17
|
|
2024/07
|
20
|
19
|
12
|
14
|
13
|
14
|
12
|
19
|
17
|
14
|
11
|
12
|
12
|
18
|
13
|
11
|
14
|
18
|
17
|
17
|
15
|
15
|
18
|
36
|
49
|
18
|
14
|
7
|
10
|
11
|
12
|
|
2024/06
|
12
|
18
|
15
|
21
|
23
|
17
|
15
|
14
|
11
|
12
|
17
|
25
|
24
|
23
|
17
|
18
|
19
|
18
|
19
|
17
|
17
|
24
|
14
|
13
|
14
|
17
|
15
|
16
|
13
|
16
|
|
|
2024/05
|
14
|
22
|
25
|
22
|
14
|
29
|
22
|
33
|
38
|
41
|
31
|
26
|
27
|
29
|
35
|
47
|
44
|
35
|
33
|
13
|
10
|
14
|
15
|
11
|
12
|
18
|
19
|
14
|
24
|
22
|
12
|
|
2024/04
|
36
|
41
|
25
|
25
|
37
|
23
|
19
|
28
|
17
|
30
|
39
|
47
|
46
|
27
|
28
|
33
|
24
|
27
|
28
|
24
|
16
|
24
|
22
|
22
|
15
|
16
|
22
|
10
|
19
|
17
|
|
|
2024/03
|
16
|
19
|
28
|
40
|
45
|
33
|
28
|
34
|
56
|
18
|
17
|
21
|
55
|
54
|
55
|
56
|
44
|
37
|
25
|
58
|
53
|
55
|
43
|
27
|
28
|
42
|
33
|
39
|
50
|
36
|
24
|
|
2024/02
|
28
|
24
|
24
|
25
|
18
|
26
|
15
|
10
|
29
|
74
|
75
|
54
|
50
|
45
|
38
|
31
|
28
|
28
|
25
|
21
|
21
|
21
|
25
|
22
|
18
|
25
|
26
|
31
|
32
|
||
|
2024/01
|
71
|
67
|
48
|
37
|
53
|
64
|
56
|
62
|
58
|
27
|
46
|
58
|
65
|
49
|
49
|
49
|
52
|
47
|
37
|
41
|
28
|
29
|
26
|
30
|
34
|
38
|
43
|
32
|
43
|
48
|
46
|
|
2023/12
|
45
|
42
|
47
|
47
|
30
|
34
|
34
|
49
|
52
|
41
|
34
|
36
|
39
|
51
|
39
|
20
|
29
|
38
|
17
|
24
|
28
|
50
|
41
|
39
|
44
|
54
|
56
|
60
|
53
|
54
|
52
|
|
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