Air Quality
Excellent
No health implications.
23
PM2.5
38
PM10
106
O3
0.7
CO
6
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Dec
60
Good
Thu
25 Dec
61
Good
Fri
26 Dec
57
Good
Sat
27 Dec
54
Good
Sun
28 Dec
59
Good
Mon
29 Dec
60
Good
Tue
30 Dec
16
Excellent
Air quality in the last 12 months (Huidong)
|
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
|
|
|
2025/08
|
24
|
19
|
19
|
11
|
10
|
18
|
20
|
25
|
25
|
13
|
14
|
22
|
27
|
18
|
13
|
22
|
15
|
10
|
11
|
16
|
18
|
23
|
19
|
16
|
15
|
18
|
23
|
21
|
19
|
18
|
15
|
|
2025/07
|
11
|
17
|
23
|
28
|
26
|
24
|
36
|
25
|
25
|
17
|
12
|
21
|
27
|
26
|
27
|
27
|
32
|
31
|
20
|
10
|
11
|
13
|
14
|
23
|
27
|
34
|
37
|
24
|
33
|
33
|
20
|
|
2025/06
|
27
|
26
|
18
|
16
|
24
|
25
|
23
|
20
|
20
|
20
|
15
|
14
|
13
|
23
|
24
|
20
|
11
|
15
|
10
|
9
|
13
|
16
|
15
|
14
|
14
|
12
|
11
|
14
|
12
|
12
|
|
|
2025/05
|
33
|
38
|
48
|
32
|
34
|
23
|
20
|
36
|
24
|
22
|
29
|
31
|
37
|
32
|
19
|
17
|
18
|
18
|
20
|
16
|
18
|
18
|
22
|
23
|
42
|
33
|
42
|
33
|
23
|
15
|
25
|
|
2025/04
|
19
|
24
|
36
|
50
|
24
|
42
|
51
|
54
|
44
|
32
|
29
|
37
|
170
|
143
|
108
|
83
|
59
|
50
|
27
|
28
|
24
|
27
|
28
|
21
|
16
|
18
|
28
|
30
|
34
|
46
|
|
|
2025/03
|
31
|
26
|
21
|
21
|
14
|
11
|
18
|
21
|
38
|
44
|
36
|
21
|
28
|
21
|
18
|
12
|
46
|
37
|
39
|
45
|
48
|
42
|
49
|
52
|
48
|
36
|
27
|
31
|
9
|
8
|
7
|
|
2025/02
|
24
|
30
|
11
|
21
|
39
|
39
|
21
|
53
|
38
|
38
|
32
|
22
|
43
|
44
|
37
|
41
|
43
|
53
|
32
|
37
|
30
|
32
|
14
|
23
|
41
|
42
|
42
|
30
|
|||
|
2025/01
|
64
|
63
|
55
|
57
|
54
|
67
|
62
|
64
|
58
|
46
|
42
|
36
|
46
|
52
|
50
|
63
|
50
|
53
|
51
|
50
|
49
|
47
|
43
|
34
|
26
|
22
|
25
|
43
|
93
|
52
|
37
|
|
2024/12
|
48
|
48
|
46
|
46
|
51
|
62
|
54
|
33
|
38
|
41
|
46
|
25
|
32
|
59
|
44
|
39
|
48
|
45
|
50
|
62
|
47
|
53
|
64
|
62
|
54
|
48
|
64
|
73
|
74
|
65
|
59
|
|
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