Air Quality
Excellent
No health implications.
5
PM2.5
18
PM10
42
O3
0.6
CO
10
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
50
Excellent
Sun
27 Jul
45
Excellent
Mon
28 Jul
61
Good
Tue
29 Jul
71
Good
Wed
30 Jul
58
Good
Thu
31 Jul
55
Good
Fri
1 Aug
42
Excellent
Huidong Air quality rank
Air quality in the last 12 months (Huidong)
|
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
|
|
2025/02
|
45
|
46
|
21
|
38
|
48
|
43
|
29
|
33
|
41
|
33
|
37
|
36
|
40
|
48
|
38
|
43
|
33
|
39
|
47
|
36
|
39
|
36
|
38
|
36
|
33
|
33
|
35
|
33
|
|||
|
2025/01
|
52
|
48
|
51
|
51
|
44
|
54
|
41
|
31
|
38
|
42
|
22
|
42
|
46
|
42
|
44
|
62
|
55
|
56
|
57
|
60
|
53
|
50
|
58
|
42
|
33
|
34
|
43
|
47
|
58
|
51
|
36
|
|
2024/12
|
41
|
41
|
44
|
39
|
38
|
42
|
42
|
43
|
34
|
31
|
37
|
43
|
40
|
31
|
41
|
52
|
45
|
41
|
40
|
36
|
46
|
40
|
40
|
43
|
47
|
48
|
55
|
54
|
54
|
45
|
43
|
|
2024/11
|
29
|
26
|
35
|
28
|
29
|
43
|
31
|
17
|
21
|
33
|
33
|
32
|
33
|
41
|
45
|
43
|
43
|
39
|
42
|
41
|
37
|
26
|
29
|
28
|
33
|
30
|
31
|
34
|
31
|
32
|
|
|
2024/10
|
14
|
23
|
29
|
32
|
21
|
18
|
20
|
29
|
21
|
21
|
21
|
25
|
32
|
31
|
25
|
23
|
30
|
37
|
42
|
36
|
29
|
25
|
25
|
36
|
39
|
36
|
25
|
32
|
42
|
39
|
35
|
|
2024/09
|
29
|
18
|
25
|
28
|
22
|
26
|
32
|
26
|
24
|
18
|
24
|
25
|
28
|
32
|
36
|
25
|
24
|
27
|
37
|
39
|
35
|
27
|
24
|
40
|
35
|
33
|
38
|
19
|
21
|
25
|
|
|
2024/08
|
38
|
40
|
33
|
28
|
25
|
23
|
21
|
18
|
19
|
24
|
46
|
41
|
43
|
46
|
45
|
39
|
37
|
31
|
35
|
38
|
39
|
41
|
30
|
36
|
34
|
29
|
26
|
37
|
40
|
42
|
35
|
|
2024/07
|
21
|
22
|
20
|
13
|
12
|
19
|
15
|
16
|
20
|
23
|
17
|
20
|
21
|
24
|
17
|
21
|
23
|
28
|
28
|
24
|
25
|
30
|
33
|
34
|
26
|
33
|
40
|
31
|
20
|
17
|
32
|
|
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