Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
92
O3
0.5
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Mar
37
Excellent
Thu
19 Mar
55
Good
Fri
20 Mar
55
Good
Sat
21 Mar
54
Good
Sun
22 Mar
54
Good
Mon
23 Mar
59
Good
Tue
24 Mar
42
Excellent
Huidong Air quality rank
Air quality in the last 12 months (Huidong)
|
2026/02
|
48
|
41
|
41
|
37
|
34
|
36
|
50
|
39
|
36
|
35
|
32
|
38
|
37
|
36
|
36
|
56
|
104
|
59
|
42
|
41
|
39
|
45
|
44
|
46
|
49
|
55
|
47
|
45
|
|||
|
2026/01
|
50
|
38
|
33
|
30
|
35
|
37
|
39
|
42
|
72
|
63
|
55
|
45
|
52
|
53
|
54
|
48
|
66
|
60
|
65
|
55
|
47
|
52
|
72
|
59
|
55
|
52
|
67
|
76
|
54
|
37
|
42
|
|
2025/12
|
61
|
57
|
44
|
42
|
39
|
48
|
43
|
51
|
47
|
48
|
59
|
48
|
52
|
56
|
51
|
56
|
51
|
61
|
55
|
55
|
48
|
45
|
54
|
50
|
39
|
61
|
63
|
61
|
61
|
50
|
52
|
|
2025/11
|
21
|
16
|
14
|
32
|
34
|
31
|
30
|
32
|
25
|
25
|
28
|
30
|
30
|
33
|
34
|
37
|
38
|
32
|
19
|
37
|
41
|
40
|
42
|
41
|
44
|
52
|
44
|
51
|
56
|
62
|
|
|
2025/10
|
17
|
19
|
23
|
22
|
23
|
23
|
19
|
17
|
20
|
24
|
24
|
24
|
27
|
28
|
26
|
24
|
19
|
20
|
22
|
23
|
19
|
19
|
27
|
34
|
38
|
25
|
26
|
33
|
32
|
34
|
33
|
|
2025/09
|
28
|
27
|
27
|
28
|
24
|
24
|
28
|
31
|
24
|
31
|
23
|
23
|
25
|
29
|
27
|
24
|
21
|
20
|
20
|
29
|
26
|
25
|
19
|
21
|
36
|
24
|
24
|
23
|
21
|
18
|
|
|
2025/08
|
28
|
30
|
31
|
30
|
28
|
27
|
32
|
25
|
25
|
22
|
21
|
21
|
27
|
36
|
37
|
26
|
20
|
26
|
26
|
25
|
26
|
18
|
17
|
18
|
22
|
25
|
25
|
24
|
29
|
31
|
27
|
|
2025/07
|
22
|
17
|
21
|
21
|
23
|
21
|
27
|
23
|
19
|
25
|
21
|
25
|
28
|
32
|
32
|
32
|
34
|
36
|
22
|
27
|
20
|
18
|
16
|
21
|
18
|
20
|
25
|
25
|
35
|
36
|
25
|
|
2025/06
|
22
|
21
|
19
|
26
|
33
|
36
|
34
|
30
|
34
|
40
|
33
|
39
|
46
|
44
|
19
|
27
|
23
|
19
|
16
|
17
|
15
|
17
|
24
|
17
|
18
|
24
|
21
|
23
|
21
|
17
|
|
|
2025/05
|
42
|
37
|
31
|
29
|
28
|
28
|
28
|
26
|
33
|
35
|
34
|
36
|
33
|
29
|
32
|
32
|
31
|
31
|
31
|
30
|
33
|
33
|
44
|
30
|
39
|
32
|
21
|
17
|
19
|
20
|
15
|
|
2025/04
|
44
|
49
|
58
|
57
|
45
|
45
|
44
|
55
|
55
|
53
|
47
|
70
|
61
|
53
|
50
|
39
|
28
|
29
|
30
|
27
|
25
|
30
|
43
|
39
|
38
|
56
|
51
|
38
|
40
|
26
|
|
|
2025/03
|
39
|
43
|
35
|
40
|
37
|
28
|
37
|
53
|
50
|
49
|
46
|
49
|
61
|
58
|
42
|
29
|
26
|
16
|
29
|
45
|
59
|
63
|
48
|
34
|
30
|
31
|
34
|
76
|
66
|
56
|
49
|
|
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