Air Quality
Excellent
No health implications.
7
PM2.5
23
PM10
39
O3
0.4
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Nov
33
Excellent
Tue
4 Nov
32
Excellent
Wed
5 Nov
35
Excellent
Thu
6 Nov
37
Excellent
Fri
7 Nov
35
Excellent
Sat
8 Nov
20
Excellent
Sun
9 Nov
21
Excellent
Air quality in the last 12 months (Ludian)
|
2025/08
|
35
|
34
|
38
|
40
|
38
|
37
|
36
|
36
|
33
|
34
|
26
|
33
|
34
|
39
|
38
|
31
|
28
|
30
|
29
|
38
|
29
|
27
|
25
|
26
|
28
|
25
|
25
|
30
|
30
|
27
|
29
|
|
2025/07
|
26
|
19
|
26
|
25
|
25
|
23
|
28
|
24
|
24
|
24
|
26
|
25
|
31
|
32
|
30
|
31
|
33
|
37
|
29
|
27
|
24
|
19
|
20
|
21
|
24
|
28
|
29
|
35
|
40
|
41
|
33
|
|
2025/06
|
25
|
24
|
30
|
32
|
34
|
42
|
42
|
37
|
45
|
40
|
34
|
42
|
44
|
44
|
26
|
29
|
26
|
23
|
23
|
27
|
27
|
33
|
34
|
25
|
20
|
21
|
27
|
21
|
29
|
21
|
|
|
2025/05
|
55
|
48
|
48
|
48
|
35
|
28
|
28
|
30
|
40
|
45
|
45
|
43
|
49
|
39
|
46
|
37
|
38
|
41
|
38
|
39
|
44
|
45
|
50
|
44
|
32
|
30
|
24
|
24
|
27
|
21
|
21
|
|
2025/04
|
41
|
37
|
48
|
50
|
35
|
30
|
34
|
46
|
51
|
44
|
58
|
144
|
103
|
75
|
66
|
63
|
43
|
37
|
38
|
31
|
33
|
36
|
65
|
37
|
40
|
44
|
36
|
32
|
36
|
36
|
|
|
2025/03
|
43
|
46
|
46
|
42
|
31
|
23
|
26
|
38
|
38
|
41
|
45
|
44
|
49
|
40
|
31
|
25
|
25
|
26
|
40
|
47
|
52
|
56
|
48
|
40
|
33
|
35
|
39
|
126
|
38
|
34
|
33
|
|
2025/02
|
32
|
32
|
25
|
43
|
34
|
25
|
27
|
27
|
35
|
36
|
44
|
36
|
35
|
41
|
45
|
42
|
41
|
35
|
42
|
33
|
35
|
30
|
28
|
32
|
30
|
36
|
37
|
34
|
|||
|
2025/01
|
64
|
59
|
57
|
61
|
49
|
65
|
32
|
30
|
32
|
30
|
29
|
43
|
44
|
34
|
43
|
50
|
49
|
41
|
46
|
52
|
53
|
49
|
46
|
36
|
29
|
44
|
49
|
54
|
48
|
45
|
32
|
|
2024/12
|
50
|
50
|
44
|
39
|
35
|
38
|
39
|
31
|
32
|
28
|
35
|
34
|
32
|
31
|
39
|
47
|
38
|
46
|
42
|
37
|
39
|
38
|
43
|
36
|
38
|
39
|
44
|
43
|
52
|
41
|
45
|
|
2024/11
|
30
|
34
|
43
|
28
|
30
|
39
|
34
|
27
|
30
|
40
|
39
|
32
|
35
|
46
|
51
|
42
|
39
|
37
|
31
|
33
|
33
|
36
|
38
|
32
|
29
|
26
|
30
|
35
|
44
|
40
|
|
|
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
|
|
|
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