Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
21
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
55
Good
Sat
28 Jun
61
Good
Sun
29 Jun
54
Good
Mon
30 Jun
58
Good
Tue
1 Jul
54
Good
Wed
2 Jul
49
Excellent
Thu
3 Jul
22
Excellent
Air quality in the last 12 months (Huidong)
|
2025/05
|
33
|
38
|
48
|
32
|
34
|
23
|
20
|
36
|
24
|
22
|
29
|
31
|
37
|
32
|
19
|
17
|
18
|
18
|
20
|
16
|
18
|
18
|
22
|
23
|
42
|
33
|
42
|
33
|
23
|
15
|
25
|
|
2025/04
|
19
|
24
|
36
|
50
|
24
|
42
|
51
|
54
|
44
|
32
|
29
|
37
|
170
|
143
|
108
|
83
|
59
|
50
|
27
|
28
|
24
|
27
|
28
|
21
|
16
|
18
|
28
|
30
|
34
|
46
|
|
|
2025/03
|
31
|
26
|
21
|
21
|
14
|
11
|
18
|
21
|
38
|
44
|
36
|
21
|
28
|
21
|
18
|
12
|
46
|
37
|
39
|
45
|
48
|
42
|
49
|
52
|
48
|
36
|
27
|
31
|
9
|
8
|
7
|
|
2025/02
|
24
|
30
|
11
|
21
|
39
|
39
|
21
|
53
|
38
|
38
|
32
|
22
|
43
|
44
|
37
|
41
|
43
|
53
|
32
|
37
|
30
|
32
|
14
|
23
|
41
|
42
|
42
|
30
|
|||
|
2025/01
|
64
|
63
|
55
|
57
|
54
|
67
|
62
|
64
|
58
|
46
|
42
|
36
|
46
|
52
|
50
|
63
|
50
|
53
|
51
|
50
|
49
|
47
|
43
|
34
|
26
|
22
|
25
|
43
|
93
|
52
|
37
|
|
2024/12
|
48
|
48
|
46
|
46
|
51
|
62
|
54
|
33
|
38
|
41
|
46
|
25
|
32
|
59
|
44
|
39
|
48
|
45
|
50
|
62
|
47
|
53
|
64
|
62
|
54
|
48
|
64
|
73
|
74
|
65
|
59
|
|
2024/11
|
25
|
22
|
41
|
41
|
40
|
55
|
40
|
33
|
38
|
43
|
46
|
37
|
34
|
13
|
21
|
16
|
20
|
25
|
14
|
9
|
17
|
22
|
31
|
36
|
24
|
15
|
28
|
31
|
31
|
41
|
|
|
2024/10
|
29
|
29
|
36
|
30
|
28
|
30
|
30
|
41
|
33
|
30
|
40
|
46
|
37
|
32
|
34
|
30
|
27
|
30
|
39
|
32
|
35
|
31
|
26
|
34
|
38
|
39
|
41
|
21
|
22
|
33
|
39
|
|
2024/09
|
19
|
25
|
29
|
25
|
20
|
9
|
16
|
12
|
14
|
20
|
35
|
36
|
39
|
26
|
17
|
19
|
23
|
20
|
30
|
22
|
14
|
14
|
10
|
12
|
19
|
31
|
46
|
21
|
25
|
29
|
|
|
2024/08
|
28
|
26
|
29
|
33
|
41
|
29
|
31
|
34
|
26
|
26
|
26
|
21
|
18
|
23
|
23
|
23
|
12
|
17
|
18
|
20
|
11
|
19
|
25
|
33
|
29
|
31
|
34
|
39
|
30
|
23
|
17
|
|
2024/07
|
20
|
19
|
12
|
14
|
13
|
14
|
12
|
19
|
17
|
14
|
11
|
12
|
12
|
18
|
13
|
11
|
14
|
18
|
17
|
17
|
15
|
15
|
18
|
36
|
49
|
18
|
14
|
7
|
10
|
11
|
12
|
|
2024/06
|
12
|
18
|
15
|
21
|
23
|
17
|
15
|
14
|
11
|
12
|
17
|
25
|
24
|
23
|
17
|
18
|
19
|
18
|
19
|
17
|
17
|
24
|
14
|
13
|
14
|
17
|
15
|
16
|
13
|
16
|
|
|
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