Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
31
O3
0.4
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
28
Excellent
Fri
18 Jul
30
Excellent
Sat
19 Jul
31
Excellent
Sun
20 Jul
26
Excellent
Mon
21 Jul
30
Excellent
Tue
22 Jul
39
Excellent
Wed
23 Jul
20
Excellent
Air quality in the last 12 months (Ledong)
|
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
|
|
|
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
|
|
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