Air Quality
Excellent
No health implications.
14
PM2.5
38
PM10
98
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Mar
57
Good
Mon
9 Mar
60
Good
Tue
10 Mar
58
Good
Wed
11 Mar
54
Good
Thu
12 Mar
56
Good
Fri
13 Mar
62
Good
Sat
14 Mar
49
Excellent
Air quality in the last 12 months (Ledong)
|
2026/02
|
24
|
24
|
30
|
29
|
33
|
26
|
25
|
28
|
32
|
29
|
21
|
25
|
27
|
28
|
29
|
30
|
64
|
29
|
38
|
34
|
36
|
28
|
24
|
28
|
36
|
32
|
28
|
18
|
|||
|
2026/01
|
38
|
43
|
32
|
36
|
36
|
53
|
45
|
43
|
37
|
41
|
45
|
42
|
44
|
47
|
44
|
36
|
37
|
42
|
34
|
36
|
38
|
46
|
40
|
38
|
26
|
23
|
25
|
30
|
30
|
29
|
30
|
|
2025/12
|
21
|
20
|
23
|
40
|
37
|
46
|
36
|
53
|
46
|
33
|
31
|
33
|
32
|
22
|
28
|
27
|
34
|
45
|
39
|
33
|
24
|
38
|
31
|
30
|
30
|
26
|
34
|
39
|
38
|
32
|
39
|
|
2025/11
|
30
|
25
|
16
|
16
|
13
|
17
|
17
|
18
|
18
|
33
|
31
|
28
|
32
|
36
|
30
|
30
|
34
|
42
|
25
|
29
|
35
|
38
|
37
|
41
|
46
|
47
|
49
|
50
|
51
|
34
|
|
|
2025/10
|
15
|
14
|
14
|
15
|
17
|
14
|
16
|
14
|
20
|
20
|
21
|
15
|
11
|
11
|
14
|
22
|
23
|
23
|
30
|
29
|
14
|
11
|
12
|
19
|
29
|
35
|
24
|
17
|
21
|
11
|
21
|
|
2025/09
|
13
|
15
|
15
|
14
|
16
|
13
|
22
|
20
|
16
|
15
|
13
|
13
|
14
|
12
|
13
|
17
|
12
|
12
|
14
|
19
|
21
|
17
|
22
|
24
|
21
|
12
|
18
|
15
|
24
|
17
|
|
|
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
|
|
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