Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
58
O3
0.5
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
34
Excellent
Tue
28 Apr
40
Excellent
Wed
29 Apr
42
Excellent
Thu
30 Apr
45
Excellent
Fri
1 May
42
Excellent
Sat
2 May
39
Excellent
Sun
3 May
42
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