Air Quality
Excellent
No health implications.
16
PM2.5
23
PM10
64
O3
0.5
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Dec
75
Good
Sat
28 Dec
73
Good
Sun
29 Dec
65
Good
Mon
30 Dec
75
Good
Tue
31 Dec
77
Good
Wed
1 Jan
61
Good
Thu
2 Jan
37
Excellent
Air quality in the last 12 months (Ledong)
|
2024/11
|
34
|
39
|
26
|
15
|
33
|
37
|
35
|
41
|
41
|
37
|
27
|
26
|
30
|
29
|
27
|
25
|
27
|
21
|
23
|
10
|
12
|
18
|
19
|
16
|
17
|
22
|
23
|
32
|
35
|
33
|
|
|
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
|
|
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