Air Quality
Excellent
No health implications.
33
PM2.5
35
PM10
113
O3
0.6
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Mar
57
Good
Thu
26 Mar
56
Good
Fri
27 Mar
54
Good
Sat
28 Mar
56
Good
Sun
29 Mar
54
Good
Mon
30 Mar
55
Good
Tue
31 Mar
17
Excellent
Air quality in the last 12 months (Huidong)
|
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
|
|
2025/07
|
22
|
17
|
21
|
21
|
23
|
21
|
27
|
23
|
19
|
25
|
21
|
25
|
28
|
32
|
32
|
32
|
34
|
36
|
22
|
27
|
20
|
18
|
16
|
21
|
18
|
20
|
25
|
25
|
35
|
36
|
25
|
|
2025/06
|
22
|
21
|
19
|
26
|
33
|
36
|
34
|
30
|
34
|
40
|
33
|
39
|
46
|
44
|
19
|
27
|
23
|
19
|
16
|
17
|
15
|
17
|
24
|
17
|
18
|
24
|
21
|
23
|
21
|
17
|
|
|
2025/05
|
42
|
37
|
31
|
29
|
28
|
28
|
28
|
26
|
33
|
35
|
34
|
36
|
33
|
29
|
32
|
32
|
31
|
31
|
31
|
30
|
33
|
33
|
44
|
30
|
39
|
32
|
21
|
17
|
19
|
20
|
15
|
|
2025/04
|
44
|
49
|
58
|
57
|
45
|
45
|
44
|
55
|
55
|
53
|
47
|
70
|
61
|
53
|
50
|
39
|
28
|
29
|
30
|
27
|
25
|
30
|
43
|
39
|
38
|
56
|
51
|
38
|
40
|
26
|
|
|
2025/03
|
39
|
43
|
35
|
40
|
37
|
28
|
37
|
53
|
50
|
49
|
46
|
49
|
61
|
58
|
42
|
29
|
26
|
16
|
29
|
45
|
59
|
63
|
48
|
34
|
30
|
31
|
34
|
76
|
66
|
56
|
49
|
|
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