Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
22
O3
0.4
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
16
Excellent
Wed
17 Sep
17
Excellent
Thu
18 Sep
18
Excellent
Fri
19 Sep
17
Excellent
Sat
20 Sep
39
Excellent
Sun
21 Sep
38
Excellent
Mon
22 Sep
30
Excellent
Ledong Air quality rank
Air quality in the last 12 months (Ledong)
|
2025/08
|
33
|
31
|
33
|
25
|
29
|
29
|
28
|
24
|
23
|
20
|
19
|
19
|
17
|
19
|
13
|
13
|
10
|
11
|
17
|
22
|
20
|
15
|
14
|
16
|
16
|
15
|
13
|
16
|
14
|
16
|
15
|
|
2025/07
|
13
|
10
|
11
|
14
|
14
|
14
|
12
|
18
|
20
|
23
|
20
|
17
|
20
|
21
|
19
|
19
|
17
|
18
|
15
|
13
|
18
|
15
|
14
|
11
|
14
|
18
|
14
|
13
|
19
|
18
|
25
|
|
2025/06
|
17
|
19
|
21
|
25
|
19
|
17
|
19
|
20
|
20
|
23
|
19
|
9
|
16
|
16
|
16
|
20
|
20
|
17
|
16
|
15
|
16
|
12
|
13
|
12
|
10
|
10
|
12
|
12
|
15
|
16
|
|
|
2025/05
|
22
|
18
|
23
|
23
|
20
|
22
|
22
|
19
|
22
|
17
|
17
|
30
|
21
|
13
|
14
|
11
|
15
|
17
|
16
|
18
|
18
|
13
|
14
|
16
|
18
|
23
|
17
|
16
|
14
|
17
|
12
|
|
2025/04
|
17
|
24
|
29
|
31
|
35
|
20
|
23
|
27
|
31
|
33
|
33
|
30
|
71
|
116
|
100
|
91
|
83
|
45
|
28
|
24
|
24
|
23
|
23
|
26
|
29
|
23
|
17
|
21
|
19
|
20
|
|
|
2025/03
|
26
|
24
|
24
|
28
|
32
|
18
|
11
|
11
|
25
|
28
|
29
|
24
|
21
|
21
|
24
|
19
|
20
|
24
|
33
|
43
|
40
|
38
|
34
|
37
|
39
|
34
|
39
|
36
|
27
|
14
|
14
|
|
2025/02
|
24
|
21
|
23
|
18
|
21
|
29
|
31
|
20
|
39
|
38
|
25
|
18
|
24
|
13
|
12
|
18
|
26
|
33
|
44
|
34
|
34
|
21
|
13
|
17
|
13
|
21
|
27
|
29
|
|||
|
2025/01
|
56
|
44
|
49
|
45
|
51
|
60
|
45
|
43
|
48
|
60
|
46
|
47
|
36
|
20
|
26
|
52
|
56
|
46
|
45
|
47
|
38
|
37
|
32
|
30
|
24
|
23
|
21
|
33
|
42
|
34
|
26
|
|
2024/12
|
34
|
30
|
26
|
24
|
29
|
33
|
39
|
40
|
28
|
26
|
21
|
30
|
23
|
32
|
50
|
42
|
34
|
41
|
44
|
44
|
44
|
44
|
38
|
45
|
42
|
27
|
35
|
45
|
54
|
39
|
44
|
|
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
|
|
|
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