Air Quality
Excellent
No health implications.
20
PM2.5
33
PM10
25
O3
0.5
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
60
Good
Wed
16 Jul
65
Good
Thu
17 Jul
66
Good
Fri
18 Jul
52
Good
Sat
19 Jul
56
Good
Sun
20 Jul
53
Good
Mon
21 Jul
38
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