Air Quality
Excellent
No health implications.
21
PM2.5
30
PM10
35
O3
0.3
CO
5
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
41
Excellent
Fri
22 Aug
34
Excellent
Sat
23 Aug
37
Excellent
Sun
24 Aug
37
Excellent
Mon
25 Aug
40
Excellent
Tue
26 Aug
39
Excellent
Wed
27 Aug
34
Excellent
Ludian Air quality rank
Air quality in the last 12 months (Ludian)
|
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
|
|
|
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
|
|
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