Air Quality
Excellent
No health implications.
20
PM2.5
28
PM10
90
O3
0.7
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
59
Good
Mon
14 Sep
56
Good
Tue
15 Sep
57
Good
Wed
16 Sep
75
Good
Thu
17 Sep
55
Good
Fri
18 Sep
58
Good
Sat
19 Sep
38
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