Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
55
*
PM10
68
O3
0.4
CO
8
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Dec
63
Good
Mon
22 Dec
63
Good
Tue
23 Dec
61
Good
Wed
24 Dec
61
Good
Thu
25 Dec
65
Good
Fri
26 Dec
65
Good
Sat
27 Dec
19
Excellent
Air quality in the last 12 months (Ludian)
|
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
|
|
|
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
|
|
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