Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
64
O3
0.8
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
86
Good
Fri
23 Oct
76
Good
Sat
24 Oct
64
Good
Sun
25 Oct
59
Good
Mon
26 Oct
61
Good
Tue
27 Oct
46
Excellent
Wed
28 Oct
36
Excellent
Air quality in the last 12 months (Huidong)
|
2026/08
|
13
|
14
|
14
|
21
|
28
|
30
|
35
|
39
|
30
|
31
|
35
|
41
|
27
|
23
|
22
|
33
|
30
|
21
|
20
|
17
|
20
|
17
|
27
|
24
|
22
|
22
|
18
|
26
|
39
|
28
|
17
|
|
2026/07
|
17
|
17
|
17
|
18
|
17
|
16
|
14
|
17
|
20
|
27
|
38
|
33
|
21
|
15
|
18
|
17
|
16
|
23
|
27
|
26
|
34
|
39
|
37
|
40
|
32
|
19
|
19
|
15
|
15
|
17
|
18
|
|
2026/06
|
41
|
36
|
28
|
28
|
30
|
25
|
22
|
22
|
18
|
18
|
21
|
35
|
26
|
18
|
18
|
13
|
16
|
15
|
17
|
19
|
20
|
22
|
23
|
29
|
29
|
21
|
23
|
17
|
20
|
17
|
|
|
2026/05
|
26
|
34
|
25
|
26
|
26
|
23
|
31
|
28
|
23
|
36
|
49
|
51
|
28
|
16
|
17
|
23
|
24
|
30
|
25
|
18
|
27
|
25
|
26
|
26
|
23
|
22
|
25
|
29
|
34
|
32
|
44
|
|
2026/04
|
26
|
30
|
35
|
25
|
26
|
28
|
31
|
28
|
34
|
26
|
28
|
25
|
20
|
22
|
24
|
24
|
28
|
57
|
48
|
45
|
27
|
26
|
22
|
16
|
22
|
37
|
39
|
31
|
22
|
24
|
|
|
2026/03
|
22
|
25
|
11
|
10
|
15
|
23
|
35
|
48
|
38
|
20
|
32
|
39
|
47
|
46
|
46
|
43
|
36
|
33
|
31
|
33
|
34
|
35
|
41
|
31
|
38
|
33
|
37
|
31
|
32
|
32
|
27
|
|
2026/02
|
19
|
28
|
40
|
52
|
41
|
33
|
31
|
30
|
40
|
37
|
32
|
38
|
42
|
30
|
22
|
29
|
42
|
37
|
44
|
48
|
47
|
39
|
44
|
53
|
39
|
23
|
28
|
12
|
|||
|
2026/01
|
54
|
22
|
31
|
49
|
44
|
35
|
41
|
32
|
37
|
44
|
40
|
60
|
58
|
52
|
51
|
50
|
50
|
55
|
54
|
51
|
33
|
32
|
36
|
42
|
39
|
36
|
45
|
41
|
41
|
37
|
28
|
|
2025/12
|
33
|
35
|
50
|
63
|
56
|
52
|
52
|
49
|
52
|
52
|
50
|
46
|
40
|
36
|
40
|
51
|
45
|
46
|
39
|
28
|
44
|
65
|
42
|
42
|
26
|
35
|
42
|
44
|
42
|
42
|
46
|
|
2025/11
|
31
|
36
|
35
|
20
|
13
|
24
|
33
|
34
|
30
|
18
|
25
|
23
|
15
|
23
|
39
|
45
|
41
|
41
|
25
|
30
|
32
|
39
|
48
|
47
|
49
|
61
|
54
|
61
|
59
|
57
|
|
|
2025/10
|
21
|
17
|
19
|
22
|
16
|
15
|
25
|
27
|
29
|
29
|
23
|
18
|
15
|
17
|
21
|
30
|
31
|
33
|
33
|
19
|
11
|
10
|
24
|
35
|
33
|
40
|
56
|
47
|
40
|
31
|
28
|
|
2025/09
|
15
|
14
|
16
|
17
|
14
|
21
|
14
|
14
|
18
|
16
|
15
|
15
|
14
|
13
|
15
|
20
|
26
|
17
|
10
|
11
|
12
|
22
|
18
|
12
|
14
|
20
|
22
|
24
|
19
|
25
|
|
|
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