Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
66
*
PM10
42
O3
0.9
CO
11
SO2
51
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
81
Good
Mon
29 Apr
81
Good
Tue
30 Apr
70
Good
Wed
1 May
69
Good
Thu
2 May
72
Good
Fri
3 May
73
Good
Sat
4 May
73
Good
Air quality in the last 12 months (Huidong)
|
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
|
|
|
2023/10
|
21
|
18
|
18
|
20
|
23
|
24
|
19
|
26
|
22
|
21
|
33
|
34
|
21
|
22
|
27
|
35
|
32
|
36
|
38
|
26
|
46
|
51
|
44
|
42
|
34
|
27
|
29
|
38
|
35
|
45
|
43
|
|
2023/09
|
34
|
35
|
38
|
39
|
45
|
45
|
46
|
46
|
42
|
32
|
37
|
28
|
27
|
39
|
48
|
48
|
39
|
30
|
24
|
28
|
28
|
25
|
25
|
26
|
24
|
25
|
31
|
23
|
20
|
24
|
|
|
2023/08
|
26
|
29
|
28
|
26
|
21
|
31
|
24
|
31
|
31
|
28
|
31
|
35
|
30
|
45
|
39
|
40
|
43
|
39
|
35
|
37
|
29
|
31
|
38
|
23
|
29
|
25
|
25
|
28
|
39
|
30
|
37
|
|
2023/07
|
26
|
26
|
24
|
25
|
31
|
21
|
23
|
24
|
27
|
20
|
15
|
17
|
19
|
25
|
35
|
37
|
35
|
40
|
32
|
29
|
29
|
30
|
32
|
25
|
27
|
26
|
24
|
25
|
27
|
37
|
39
|
|
2023/06
|
39
|
33
|
32
|
32
|
32
|
31
|
34
|
27
|
31
|
34
|
36
|
33
|
39
|
36
|
27
|
42
|
33
|
29
|
29
|
27
|
26
|
25
|
27
|
35
|
45
|
52
|
42
|
31
|
26
|
25
|
|
|
2023/05
|
39
|
37
|
31
|
34
|
38
|
35
|
36
|
37
|
38
|
47
|
44
|
34
|
36
|
40
|
37
|
41
|
38
|
46
|
35
|
35
|
36
|
38
|
41
|
45
|
37
|
34
|
33
|
33
|
36
|
40
|
40
|
|
2023/04
|
43
|
35
|
34
|
36
|
36
|
36
|
45
|
51
|
51
|
54
|
59
|
64
|
67
|
75
|
48
|
74
|
72
|
53
|
49
|
50
|
45
|
46
|
38
|
35
|
35
|
41
|
43
|
38
|
42
|
46
|
|
|
2023/03
|
48
|
51
|
41
|
50
|
59
|
65
|
59
|
47
|
50
|
54
|
55
|
48
|
39
|
56
|
61
|
46
|
53
|
48
|
57
|
31
|
28
|
31
|
34
|
33
|
37
|
42
|
39
|
44
|
42
|
39
|
42
|
|
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