Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
50
O3
0.6
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 May
40
Excellent
Tue
12 May
40
Excellent
Wed
13 May
41
Excellent
Thu
14 May
39
Excellent
Fri
15 May
36
Excellent
Sat
16 May
38
Excellent
Sun
17 May
18
Excellent
Air quality in the last 12 months (Yun County)
|
2026/04
|
50
|
48
|
52
|
47
|
49
|
42
|
49
|
71
|
35
|
35
|
39
|
41
|
65
|
71
|
83
|
69
|
56
|
66
|
62
|
55
|
59
|
62
|
61
|
56
|
84
|
59
|
47
|
32
|
34
|
33
|
|
|
2026/03
|
60
|
62
|
54
|
70
|
79
|
98
|
96
|
86
|
63
|
49
|
58
|
79
|
38
|
33
|
33
|
42
|
44
|
37
|
48
|
38
|
48
|
47
|
30
|
38
|
41
|
44
|
49
|
70
|
35
|
40
|
47
|
|
2026/02
|
37
|
36
|
39
|
42
|
37
|
36
|
37
|
43
|
41
|
39
|
31
|
33
|
34
|
37
|
55
|
63
|
91
|
56
|
44
|
34
|
32
|
34
|
44
|
47
|
58
|
63
|
49
|
56
|
|||
|
2026/01
|
44
|
36
|
29
|
29
|
31
|
30
|
31
|
34
|
40
|
34
|
39
|
39
|
42
|
50
|
44
|
38
|
34
|
37
|
50
|
51
|
31
|
35
|
38
|
36
|
35
|
36
|
37
|
40
|
39
|
38
|
38
|
|
2025/12
|
34
|
32
|
37
|
31
|
30
|
27
|
30
|
29
|
30
|
30
|
31
|
35
|
33
|
32
|
31
|
30
|
30
|
32
|
28
|
33
|
32
|
33
|
36
|
34
|
34
|
32
|
35
|
38
|
35
|
32
|
34
|
|
2025/11
|
24
|
22
|
13
|
13
|
13
|
16
|
17
|
21
|
17
|
17
|
17
|
17
|
18
|
20
|
25
|
23
|
28
|
23
|
15
|
15
|
16
|
17
|
22
|
24
|
27
|
34
|
31
|
32
|
34
|
35
|
|
|
2025/10
|
17
|
15
|
17
|
17
|
20
|
20
|
17
|
17
|
17
|
17
|
17
|
20
|
22
|
23
|
23
|
22
|
18
|
17
|
19
|
20
|
21
|
20
|
24
|
23
|
22
|
22
|
26
|
28
|
27
|
28
|
26
|
|
2025/09
|
19
|
19
|
19
|
23
|
24
|
22
|
19
|
20
|
20
|
18
|
19
|
20
|
18
|
15
|
15
|
14
|
17
|
16
|
19
|
19
|
20
|
19
|
18
|
15
|
22
|
19
|
17
|
17
|
17
|
13
|
|
|
2025/08
|
19
|
19
|
15
|
17
|
18
|
19
|
18
|
13
|
15
|
15
|
18
|
15
|
17
|
18
|
24
|
22
|
17
|
19
|
22
|
20
|
16
|
15
|
16
|
17
|
19
|
21
|
16
|
17
|
17
|
21
|
21
|
|
2025/07
|
20
|
17
|
13
|
14
|
13
|
16
|
15
|
13
|
18
|
17
|
19
|
21
|
25
|
23
|
19
|
20
|
20
|
22
|
22
|
19
|
18
|
21
|
19
|
17
|
14
|
16
|
17
|
20
|
23
|
21
|
16
|
|
2025/06
|
15
|
14
|
23
|
42
|
36
|
38
|
30
|
28
|
23
|
19
|
30
|
36
|
41
|
36
|
22
|
19
|
14
|
13
|
14
|
18
|
21
|
16
|
15
|
15
|
15
|
16
|
16
|
17
|
18
|
17
|
|
|
2025/05
|
30
|
29
|
26
|
20
|
24
|
31
|
31
|
35
|
35
|
44
|
34
|
36
|
42
|
37
|
34
|
35
|
37
|
29
|
34
|
30
|
39
|
29
|
36
|
32
|
16
|
19
|
16
|
16
|
16
|
15
|
14
|
|
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