Air Quality
Excellent
No health implications.
22
PM2.5
34
PM10
131
O3
0.6
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jun
58
Good
Sat
13 Jun
54
Good
Sun
14 Jun
59
Good
Mon
15 Jun
52
Good
Tue
16 Jun
53
Good
Wed
17 Jun
51
Good
Thu
18 Jun
17
Excellent
Air quality in the last 12 months (Yun'an)
|
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
|
|
|
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
|
|
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