Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
47
*
PM2.5
82
PM10
152
O3
0.7
CO
18
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Sep
87
Good
Mon
21 Sep
83
Good
Tue
22 Sep
82
Good
Wed
23 Sep
76
Good
Thu
24 Sep
78
Good
Fri
25 Sep
78
Good
Sat
26 Sep
37
Excellent
Air quality in the last 12 months (Yun'an)
|
2026/08
|
22
|
18
|
20
|
21
|
28
|
40
|
48
|
41
|
37
|
33
|
37
|
39
|
39
|
28
|
25
|
35
|
34
|
30
|
27
|
26
|
20
|
27
|
30
|
26
|
26
|
19
|
15
|
27
|
37
|
25
|
20
|
|
2026/07
|
32
|
31
|
21
|
13
|
18
|
15
|
20
|
20
|
24
|
28
|
31
|
38
|
44
|
37
|
16
|
23
|
30
|
34
|
33
|
42
|
31
|
35
|
38
|
41
|
48
|
35
|
28
|
27
|
19
|
21
|
20
|
|
2026/06
|
34
|
34
|
32
|
33
|
32
|
33
|
30
|
33
|
20
|
25
|
37
|
42
|
25
|
25
|
25
|
25
|
17
|
19
|
22
|
26
|
25
|
25
|
29
|
31
|
34
|
25
|
26
|
30
|
32
|
25
|
|
|
2026/05
|
42
|
36
|
24
|
29
|
44
|
49
|
37
|
18
|
24
|
37
|
40
|
45
|
31
|
28
|
35
|
22
|
24
|
17
|
17
|
16
|
20
|
20
|
24
|
27
|
27
|
31
|
31
|
29
|
36
|
37
|
33
|
|
2026/04
|
26
|
41
|
42
|
36
|
59
|
52
|
46
|
38
|
42
|
35
|
42
|
40
|
33
|
32
|
25
|
28
|
28
|
35
|
45
|
35
|
30
|
30
|
18
|
22
|
38
|
62
|
37
|
30
|
24
|
25
|
|
|
2026/03
|
15
|
21
|
12
|
15
|
26
|
26
|
43
|
54
|
50
|
17
|
34
|
40
|
59
|
47
|
48
|
42
|
35
|
33
|
48
|
31
|
42
|
36
|
39
|
43
|
47
|
35
|
31
|
35
|
34
|
31
|
38
|
|
2026/02
|
32
|
41
|
50
|
58
|
50
|
36
|
33
|
26
|
44
|
54
|
57
|
38
|
40
|
47
|
28
|
30
|
39
|
37
|
51
|
50
|
50
|
35
|
41
|
46
|
52
|
40
|
41
|
15
|
|||
|
2026/01
|
70
|
22
|
36
|
58
|
56
|
41
|
46
|
48
|
52
|
59
|
53
|
62
|
63
|
70
|
73
|
70
|
98
|
91
|
69
|
60
|
29
|
32
|
32
|
54
|
80
|
86
|
61
|
59
|
64
|
55
|
38
|
|
2025/12
|
54
|
30
|
59
|
73
|
68
|
74
|
81
|
64
|
63
|
70
|
60
|
58
|
37
|
36
|
49
|
62
|
49
|
50
|
73
|
81
|
54
|
82
|
89
|
60
|
19
|
34
|
49
|
53
|
65
|
50
|
64
|
|
2025/11
|
32
|
34
|
28
|
11
|
22
|
34
|
38
|
42
|
27
|
17
|
19
|
23
|
33
|
36
|
47
|
50
|
49
|
32
|
26
|
38
|
38
|
47
|
58
|
57
|
43
|
56
|
54
|
60
|
62
|
69
|
|
|
2025/10
|
43
|
31
|
27
|
38
|
15
|
17
|
27
|
43
|
40
|
44
|
49
|
39
|
30
|
32
|
35
|
55
|
59
|
52
|
27
|
17
|
15
|
12
|
20
|
37
|
44
|
52
|
39
|
44
|
52
|
53
|
33
|
|
2025/09
|
25
|
29
|
27
|
28
|
29
|
32
|
41
|
11
|
17
|
27
|
27
|
25
|
28
|
28
|
27
|
37
|
39
|
38
|
39
|
32
|
17
|
19
|
24
|
11
|
16
|
25
|
37
|
36
|
40
|
32
|
|
|
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