Air Quality
Excellent
No health implications.
14
PM2.5
28
PM10
77
O3
1.0
CO
33
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
53
Good
Fri
21 Aug
49
Excellent
Sat
22 Aug
51
Good
Sun
23 Aug
53
Good
Mon
24 Aug
51
Good
Tue
25 Aug
52
Good
Wed
26 Aug
41
Excellent
Air quality in the last 12 months (Huidong)
|
2026/07
|
34
|
24
|
23
|
18
|
27
|
29
|
30
|
33
|
35
|
30
|
26
|
29
|
26
|
32
|
35
|
31
|
27
|
26
|
39
|
41
|
45
|
40
|
41
|
32
|
38
|
29
|
29
|
22
|
22
|
22
|
23
|
|
2026/06
|
26
|
28
|
24
|
29
|
35
|
38
|
34
|
25
|
27
|
29
|
36
|
44
|
25
|
27
|
33
|
20
|
22
|
22
|
25
|
24
|
19
|
19
|
19
|
20
|
18
|
19
|
24
|
20
|
21
|
24
|
|
|
2026/05
|
32
|
25
|
24
|
23
|
36
|
34
|
36
|
39
|
32
|
28
|
31
|
26
|
30
|
34
|
31
|
34
|
34
|
33
|
36
|
39
|
40
|
36
|
32
|
28
|
32
|
36
|
36
|
41
|
37
|
29
|
29
|
|
2026/04
|
33
|
34
|
29
|
33
|
41
|
37
|
33
|
37
|
32
|
35
|
35
|
35
|
41
|
47
|
54
|
49
|
37
|
39
|
51
|
40
|
43
|
44
|
35
|
40
|
39
|
46
|
34
|
27
|
27
|
34
|
|
|
2026/03
|
50
|
44
|
44
|
33
|
52
|
62
|
67
|
54
|
25
|
29
|
51
|
54
|
35
|
30
|
23
|
33
|
35
|
28
|
37
|
35
|
39
|
40
|
30
|
32
|
37
|
33
|
36
|
41
|
33
|
28
|
28
|
|
2026/02
|
48
|
41
|
41
|
37
|
34
|
36
|
50
|
39
|
36
|
35
|
32
|
38
|
37
|
36
|
36
|
56
|
104
|
59
|
42
|
41
|
39
|
45
|
44
|
46
|
49
|
55
|
47
|
45
|
|||
|
2026/01
|
50
|
38
|
33
|
30
|
35
|
37
|
39
|
42
|
72
|
63
|
55
|
45
|
52
|
53
|
54
|
48
|
66
|
60
|
65
|
55
|
47
|
52
|
72
|
59
|
55
|
52
|
67
|
76
|
54
|
37
|
42
|
|
2025/12
|
61
|
57
|
44
|
42
|
39
|
48
|
43
|
51
|
47
|
48
|
59
|
48
|
52
|
56
|
51
|
56
|
51
|
61
|
55
|
55
|
48
|
45
|
54
|
50
|
39
|
61
|
63
|
61
|
61
|
50
|
52
|
|
2025/11
|
21
|
16
|
14
|
32
|
34
|
31
|
30
|
32
|
25
|
25
|
28
|
30
|
30
|
33
|
34
|
37
|
38
|
32
|
19
|
37
|
41
|
40
|
42
|
41
|
44
|
52
|
44
|
51
|
56
|
62
|
|
|
2025/10
|
17
|
19
|
23
|
22
|
23
|
23
|
19
|
17
|
20
|
24
|
24
|
24
|
27
|
28
|
26
|
24
|
19
|
20
|
22
|
23
|
19
|
19
|
27
|
34
|
38
|
25
|
26
|
33
|
32
|
34
|
33
|
|
2025/09
|
28
|
27
|
27
|
28
|
24
|
24
|
28
|
31
|
24
|
31
|
23
|
23
|
25
|
29
|
27
|
24
|
21
|
20
|
20
|
29
|
26
|
25
|
19
|
21
|
36
|
24
|
24
|
23
|
21
|
18
|
|
|
2025/08
|
28
|
30
|
31
|
30
|
28
|
27
|
32
|
25
|
25
|
22
|
21
|
21
|
27
|
36
|
37
|
26
|
20
|
26
|
26
|
25
|
26
|
18
|
17
|
18
|
22
|
25
|
25
|
24
|
29
|
31
|
27
|
|
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