Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
60
*
PM10
31
O3
0.6
CO
7
SO2
32
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Oct
64
Good
Thu
30 Oct
60
Good
Fri
31 Oct
55
Good
Sat
1 Nov
57
Good
Sun
2 Nov
58
Good
Mon
3 Nov
56
Good
Tue
4 Nov
27
Excellent
Yun'an Air quality rank
Air quality in the last 12 months (Yun'an)
|
2025/08
|
27
|
24
|
24
|
37
|
26
|
18
|
30
|
32
|
30
|
29
|
28
|
29
|
34
|
33
|
14
|
29
|
28
|
13
|
18
|
23
|
23
|
32
|
37
|
34
|
24
|
36
|
39
|
38
|
36
|
29
|
24
|
|
2025/07
|
18
|
25
|
32
|
34
|
44
|
43
|
43
|
26
|
26
|
29
|
22
|
31
|
27
|
38
|
32
|
29
|
37
|
45
|
34
|
19
|
12
|
14
|
16
|
21
|
28
|
29
|
32
|
36
|
33
|
28
|
24
|
|
2025/06
|
30
|
35
|
18
|
29
|
37
|
26
|
21
|
18
|
30
|
39
|
29
|
16
|
16
|
14
|
13
|
22
|
18
|
15
|
14
|
17
|
16
|
18
|
14
|
18
|
20
|
24
|
17
|
20
|
23
|
18
|
|
|
2025/05
|
33
|
42
|
31
|
32
|
26
|
34
|
22
|
23
|
21
|
35
|
33
|
45
|
48
|
35
|
27
|
18
|
23
|
22
|
27
|
26
|
26
|
24
|
24
|
18
|
34
|
37
|
60
|
63
|
31
|
27
|
34
|
|
2025/04
|
27
|
48
|
62
|
58
|
78
|
79
|
72
|
70
|
69
|
45
|
42
|
59
|
179
|
151
|
100
|
88
|
80
|
66
|
38
|
38
|
29
|
36
|
44
|
35
|
21
|
47
|
56
|
30
|
48
|
47
|
|
|
2025/03
|
38
|
36
|
44
|
30
|
13
|
14
|
18
|
30
|
54
|
68
|
50
|
35
|
31
|
28
|
22
|
17
|
42
|
36
|
45
|
52
|
60
|
64
|
60
|
72
|
71
|
53
|
42
|
44
|
10
|
11
|
13
|
|
2025/02
|
35
|
36
|
15
|
23
|
41
|
45
|
24
|
35
|
52
|
48
|
58
|
52
|
40
|
63
|
49
|
95
|
54
|
52
|
60
|
49
|
38
|
41
|
24
|
27
|
70
|
78
|
98
|
61
|
|||
|
2025/01
|
74
|
71
|
65
|
72
|
84
|
86
|
81
|
84
|
80
|
46
|
49
|
61
|
61
|
82
|
61
|
71
|
61
|
66
|
67
|
71
|
68
|
69
|
70
|
56
|
45
|
19
|
35
|
35
|
111
|
62
|
41
|
|
2024/12
|
62
|
74
|
75
|
67
|
77
|
77
|
49
|
22
|
56
|
61
|
62
|
29
|
41
|
50
|
50
|
57
|
62
|
52
|
47
|
64
|
65
|
65
|
71
|
68
|
69
|
60
|
81
|
80
|
81
|
80
|
71
|
|
2024/11
|
49
|
44
|
56
|
49
|
47
|
55
|
47
|
51
|
67
|
49
|
51
|
53
|
50
|
42
|
27
|
35
|
39
|
21
|
18
|
17
|
18
|
26
|
34
|
47
|
35
|
23
|
35
|
46
|
49
|
54
|
|
|
2024/10
|
37
|
24
|
46
|
46
|
46
|
49
|
56
|
55
|
52
|
39
|
46
|
59
|
67
|
57
|
42
|
58
|
42
|
41
|
38
|
26
|
38
|
37
|
20
|
41
|
46
|
35
|
27
|
17
|
20
|
34
|
51
|
|
2024/09
|
29
|
35
|
30
|
37
|
36
|
17
|
16
|
19
|
21
|
26
|
39
|
46
|
40
|
36
|
22
|
32
|
29
|
25
|
36
|
43
|
31
|
14
|
15
|
14
|
22
|
33
|
45
|
51
|
46
|
40
|
|
|
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