Air Quality
Excellent
No health implications.
22
PM2.5
36
PM10
93
O3
0.6
CO
9
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Sep
82
Good
Tue
22 Sep
69
Good
Wed
23 Sep
66
Good
Thu
24 Sep
56
Good
Fri
25 Sep
56
Good
Sat
26 Sep
28
Excellent
Sun
27 Sep
39
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