Air Quality
Excellent
No health implications.
14
PM2.5
22
PM10
56
O3
0.4
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
41
Excellent
Tue
5 May
45
Excellent
Wed
6 May
41
Excellent
Thu
7 May
39
Excellent
Fri
8 May
39
Excellent
Sat
9 May
37
Excellent
Sun
10 May
32
Excellent
Air quality in the last 12 months (Ledong)
|
2026/03
|
14
|
16
|
23
|
19
|
20
|
28
|
39
|
35
|
28
|
26
|
24
|
30
|
35
|
39
|
34
|
34
|
29
|
30
|
29
|
26
|
25
|
26
|
28
|
31
|
29
|
28
|
32
|
34
|
32
|
27
|
35
|
|
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
|
|
|
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