Air Quality
Excellent
No health implications.
4
PM2.5
24
PM10
65
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Oct
41
Excellent
Tue
6 Oct
40
Excellent
Wed
7 Oct
37
Excellent
Thu
8 Oct
40
Excellent
Fri
9 Oct
38
Excellent
Sat
10 Oct
38
Excellent
Sun
11 Oct
38
Excellent
Air quality in the last 12 months (Ludian)
|
2026/08
|
28
|
24
|
29
|
34
|
36
|
36
|
35
|
34
|
38
|
35
|
40
|
36
|
36
|
37
|
43
|
45
|
42
|
27
|
22
|
29
|
27
|
31
|
37
|
35
|
39
|
26
|
30
|
32
|
22
|
32
|
35
|
|
2026/07
|
34
|
25
|
19
|
20
|
27
|
35
|
37
|
38
|
33
|
36
|
36
|
33
|
33
|
34
|
39
|
37
|
33
|
32
|
54
|
46
|
45
|
46
|
43
|
38
|
40
|
34
|
32
|
26
|
22
|
24
|
24
|
|
2026/06
|
38
|
44
|
29
|
36
|
46
|
47
|
38
|
28
|
33
|
35
|
37
|
43
|
30
|
32
|
35
|
21
|
20
|
20
|
27
|
31
|
21
|
22
|
23
|
21
|
18
|
21
|
27
|
22
|
25
|
28
|
|
|
2026/05
|
35
|
25
|
29
|
27
|
31
|
38
|
49
|
38
|
28
|
34
|
36
|
27
|
40
|
41
|
33
|
36
|
32
|
26
|
38
|
40
|
40
|
40
|
37
|
32
|
36
|
33
|
36
|
32
|
28
|
39
|
42
|
|
2026/04
|
36
|
35
|
34
|
44
|
47
|
45
|
36
|
43
|
36
|
40
|
40
|
35
|
38
|
33
|
42
|
40
|
34
|
36
|
53
|
36
|
34
|
33
|
36
|
42
|
44
|
44
|
33
|
28
|
33
|
41
|
|
|
2026/03
|
45
|
28
|
26
|
28
|
37
|
39
|
35
|
29
|
22
|
30
|
44
|
56
|
47
|
37
|
22
|
31
|
37
|
29
|
38
|
31
|
41
|
33
|
35
|
31
|
37
|
35
|
31
|
34
|
32
|
35
|
27
|
|
2026/02
|
38
|
38
|
37
|
45
|
43
|
51
|
53
|
36
|
39
|
34
|
36
|
53
|
46
|
47
|
39
|
76
|
80
|
42
|
32
|
48
|
50
|
56
|
49
|
45
|
45
|
55
|
42
|
45
|
|||
|
2026/01
|
34
|
26
|
37
|
27
|
32
|
29
|
35
|
44
|
73
|
86
|
72
|
68
|
56
|
51
|
62
|
63
|
75
|
46
|
76
|
40
|
30
|
34
|
58
|
54
|
45
|
44
|
78
|
68
|
53
|
40
|
36
|
|
2025/12
|
77
|
63
|
39
|
31
|
37
|
52
|
44
|
56
|
49
|
44
|
64
|
40
|
36
|
54
|
58
|
53
|
40
|
57
|
47
|
44
|
48
|
49
|
39
|
47
|
40
|
64
|
58
|
64
|
56
|
43
|
40
|
|
2025/11
|
21
|
22
|
20
|
30
|
28
|
22
|
28
|
25
|
18
|
25
|
25
|
25
|
26
|
26
|
32
|
35
|
28
|
22
|
26
|
32
|
39
|
42
|
45
|
49
|
45
|
54
|
50
|
51
|
59
|
73
|
|
|
2025/10
|
19
|
20
|
23
|
24
|
26
|
24
|
17
|
19
|
20
|
24
|
22
|
24
|
23
|
25
|
26
|
23
|
18
|
20
|
16
|
17
|
17
|
22
|
22
|
26
|
24
|
22
|
23
|
30
|
25
|
31
|
24
|
|
2025/09
|
31
|
30
|
32
|
38
|
34
|
29
|
41
|
28
|
32
|
36
|
30
|
28
|
30
|
40
|
37
|
27
|
32
|
27
|
29
|
28
|
30
|
24
|
21
|
27
|
41
|
24
|
20
|
19
|
22
|
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