Air Quality
Excellent
No health implications.
10
PM2.5
11
PM10
29
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Nov
49
Excellent
Fri
15 Nov
51
Good
Sat
16 Nov
65
Good
Sun
17 Nov
59
Good
Mon
18 Nov
56
Good
Tue
19 Nov
53
Good
Wed
20 Nov
54
Good
Air quality in the last 12 months (Huidong)
|
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
|
|
2023/11
|
38
|
40
|
45
|
42
|
37
|
38
|
37
|
52
|
47
|
41
|
26
|
16
|
19
|
30
|
37
|
39
|
55
|
62
|
59
|
60
|
51
|
47
|
52
|
57
|
59
|
50
|
54
|
55
|
59
|
51
|
|
|
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