Air Quality
Excellent
No health implications.
12
PM2.5
24
PM10
27
O3
0.9
CO
3
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
54
Good
Sun
28 Jul
48
Excellent
Mon
29 Jul
83
Good
Tue
30 Jul
46
Excellent
Wed
31 Jul
46
Excellent
Thu
1 Aug
45
Excellent
Fri
2 Aug
45
Excellent
Air quality in the last 12 months (Huidong)
|
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
|
|
|
2023/10
|
34
|
33
|
39
|
42
|
31
|
30
|
17
|
11
|
12
|
13
|
16
|
23
|
26
|
33
|
45
|
47
|
44
|
44
|
41
|
32
|
20
|
25
|
31
|
38
|
41
|
43
|
39
|
32
|
35
|
39
|
39
|
|
2023/09
|
18
|
20
|
22
|
30
|
29
|
22
|
21
|
21
|
23
|
23
|
16
|
15
|
16
|
15
|
13
|
15
|
20
|
25
|
25
|
27
|
46
|
36
|
32
|
25
|
26
|
26
|
32
|
34
|
29
|
31
|
|
|
2023/08
|
23
|
28
|
38
|
27
|
31
|
31
|
34
|
33
|
36
|
33
|
27
|
28
|
22
|
25
|
32
|
35
|
30
|
33
|
34
|
20
|
18
|
22
|
21
|
21
|
26
|
24
|
18
|
19
|
20
|
25
|
26
|
|
2023/07
|
18
|
15
|
17
|
17
|
23
|
21
|
22
|
25
|
20
|
23
|
22
|
20
|
22
|
30
|
42
|
23
|
21
|
23
|
15
|
19
|
26
|
21
|
21
|
17
|
34
|
35
|
27
|
27
|
31
|
19
|
19
|
|
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