Air Quality
Excellent
No health implications.
20
PM2.5
23
PM10
42
O3
0.7
CO
12
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
38
Excellent
Sat
9 Nov
38
Excellent
Sun
10 Nov
36
Excellent
Mon
11 Nov
33
Excellent
Tue
12 Nov
37
Excellent
Wed
13 Nov
41
Excellent
Air quality in the last 12 months (Ludian)
|
2024/10
|
22
|
30
|
29
|
29
|
26
|
22
|
28
|
36
|
31
|
23
|
25
|
27
|
28
|
31
|
31
|
30
|
30
|
39
|
36
|
38
|
27
|
27
|
28
|
41
|
34
|
29
|
29
|
32
|
40
|
39
|
32
|
|
2024/09
|
30
|
20
|
27
|
31
|
34
|
33
|
32
|
26
|
22
|
25
|
33
|
25
|
27
|
35
|
40
|
36
|
27
|
30
|
37
|
34
|
33
|
30
|
31
|
41
|
32
|
36
|
30
|
26
|
27
|
25
|
|
|
2024/08
|
33
|
36
|
36
|
26
|
22
|
26
|
22
|
20
|
23
|
30
|
58
|
45
|
45
|
47
|
39
|
37
|
34
|
32
|
40
|
37
|
37
|
36
|
30
|
35
|
34
|
28
|
38
|
36
|
37
|
34
|
41
|
|
2024/07
|
23
|
29
|
21
|
14
|
15
|
22
|
22
|
21
|
24
|
24
|
15
|
19
|
25
|
22
|
17
|
21
|
28
|
30
|
27
|
29
|
25
|
26
|
27
|
33
|
26
|
32
|
34
|
16
|
18
|
18
|
26
|
|
2024/06
|
38
|
26
|
22
|
20
|
23
|
23
|
15
|
16
|
15
|
21
|
18
|
28
|
34
|
30
|
41
|
38
|
18
|
22
|
20
|
22
|
27
|
25
|
24
|
26
|
26
|
30
|
17
|
16
|
19
|
23
|
|
|
2024/05
|
29
|
34
|
28
|
24
|
43
|
45
|
30
|
31
|
20
|
30
|
23
|
27
|
32
|
37
|
31
|
33
|
36
|
29
|
28
|
34
|
32
|
36
|
35
|
38
|
29
|
21
|
28
|
24
|
21
|
20
|
37
|
|
2024/04
|
34
|
40
|
49
|
29
|
32
|
30
|
29
|
29
|
30
|
39
|
43
|
51
|
43
|
50
|
54
|
61
|
48
|
39
|
33
|
37
|
36
|
37
|
27
|
33
|
30
|
40
|
42
|
43
|
41
|
29
|
|
|
2024/03
|
36
|
32
|
32
|
33
|
37
|
33
|
28
|
33
|
31
|
35
|
30
|
49
|
50
|
40
|
53
|
49
|
50
|
32
|
46
|
46
|
52
|
39
|
26
|
31
|
38
|
37
|
47
|
26
|
36
|
52
|
41
|
|
2024/02
|
39
|
48
|
43
|
32
|
35
|
29
|
24
|
24
|
40
|
60
|
46
|
40
|
37
|
48
|
46
|
38
|
31
|
31
|
31
|
30
|
37
|
36
|
37
|
31
|
43
|
37
|
37
|
35
|
31
|
||
|
2024/01
|
51
|
34
|
37
|
44
|
48
|
43
|
52
|
49
|
58
|
45
|
43
|
61
|
68
|
69
|
57
|
33
|
41
|
40
|
45
|
55
|
42
|
28
|
34
|
29
|
35
|
31
|
33
|
38
|
41
|
44
|
31
|
|
2023/12
|
32
|
33
|
33
|
31
|
43
|
37
|
43
|
30
|
31
|
28
|
39
|
37
|
25
|
26
|
33
|
29
|
39
|
31
|
38
|
56
|
50
|
38
|
42
|
44
|
58
|
57
|
56
|
47
|
49
|
73
|
57
|
|
2023/11
|
47
|
45
|
45
|
30
|
31
|
41
|
41
|
44
|
47
|
48
|
54
|
40
|
30
|
34
|
29
|
44
|
66
|
62
|
56
|
57
|
45
|
41
|
52
|
47
|
33
|
38
|
52
|
48
|
46
|
46
|
|
|
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