Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
69
O3
0.7
CO
9
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Sep
64
Good
Wed
23 Sep
61
Good
Thu
24 Sep
58
Good
Fri
25 Sep
57
Good
Sat
26 Sep
57
Good
Sun
27 Sep
60
Good
Mon
28 Sep
23
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