Air Quality
Excellent
No health implications.
9
PM2.5
17
PM10
79
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Dec
73
Good
Tue
3 Dec
66
Good
Wed
4 Dec
62
Good
Thu
5 Dec
60
Good
Fri
6 Dec
63
Good
Sat
7 Dec
68
Good
Sun
8 Dec
24
Excellent
Air quality in the last 12 months (Ledong)
|
2024/10
|
21
|
29
|
32
|
38
|
36
|
33
|
17
|
41
|
52
|
47
|
31
|
28
|
26
|
15
|
12
|
10
|
10
|
12
|
15
|
19
|
20
|
26
|
33
|
28
|
32
|
29
|
18
|
14
|
8
|
13
|
30
|
|
2024/09
|
14
|
12
|
13
|
18
|
24
|
15
|
21
|
21
|
19
|
13
|
12
|
15
|
15
|
14
|
18
|
21
|
17
|
16
|
8
|
10
|
15
|
12
|
9
|
10
|
17
|
19
|
18
|
15
|
16
|
16
|
|
|
2024/08
|
17
|
16
|
16
|
17
|
18
|
16
|
17
|
16
|
17
|
18
|
20
|
19
|
15
|
13
|
15
|
17
|
16
|
19
|
19
|
16
|
19
|
17
|
16
|
15
|
15
|
14
|
14
|
18
|
18
|
18
|
14
|
|
2024/07
|
17
|
17
|
17
|
12
|
10
|
12
|
12
|
13
|
16
|
18
|
15
|
13
|
13
|
11
|
13
|
12
|
9
|
11
|
12
|
11
|
10
|
9
|
17
|
18
|
16
|
19
|
18
|
18
|
14
|
16
|
17
|
|
2024/06
|
14
|
19
|
17
|
22
|
24
|
19
|
21
|
15
|
17
|
17
|
20
|
19
|
19
|
19
|
26
|
24
|
22
|
20
|
21
|
19
|
16
|
10
|
9
|
13
|
16
|
11
|
11
|
13
|
16
|
18
|
|
|
2024/05
|
33
|
22
|
20
|
23
|
27
|
25
|
22
|
21
|
24
|
22
|
23
|
21
|
21
|
14
|
16
|
25
|
24
|
13
|
17
|
17
|
15
|
13
|
14
|
16
|
13
|
18
|
21
|
19
|
24
|
17
|
15
|
|
2024/04
|
31
|
33
|
34
|
35
|
32
|
31
|
33
|
33
|
35
|
28
|
28
|
34
|
33
|
35
|
34
|
30
|
27
|
27
|
30
|
26
|
26
|
25
|
27
|
30
|
25
|
35
|
41
|
35
|
33
|
32
|
|
|
2024/03
|
15
|
12
|
16
|
28
|
40
|
52
|
32
|
14
|
25
|
31
|
30
|
22
|
24
|
29
|
38
|
37
|
30
|
30
|
25
|
25
|
33
|
40
|
34
|
29
|
31
|
35
|
37
|
30
|
32
|
25
|
31
|
|
2024/02
|
22
|
27
|
24
|
24
|
23
|
23
|
29
|
16
|
18
|
42
|
34
|
38
|
37
|
36
|
32
|
33
|
31
|
25
|
32
|
37
|
30
|
32
|
35
|
22
|
22
|
22
|
18
|
22
|
30
|
||
|
2024/01
|
35
|
34
|
36
|
36
|
33
|
31
|
31
|
33
|
33
|
35
|
33
|
36
|
34
|
30
|
28
|
33
|
32
|
30
|
28
|
26
|
31
|
27
|
14
|
17
|
24
|
38
|
36
|
21
|
23
|
23
|
25
|
|
2023/12
|
26
|
25
|
28
|
30
|
36
|
32
|
25
|
31
|
29
|
26
|
20
|
20
|
21
|
18
|
19
|
21
|
15
|
17
|
18
|
17
|
26
|
25
|
34
|
39
|
39
|
37
|
33
|
35
|
24
|
24
|
31
|
|
2023/11
|
28
|
22
|
23
|
21
|
20
|
18
|
28
|
15
|
18
|
21
|
16
|
15
|
22
|
20
|
25
|
24
|
31
|
43
|
46
|
47
|
40
|
30
|
28
|
33
|
36
|
39
|
42
|
53
|
34
|
32
|
|
|
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