Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
27
O3
0.4
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Nov
32
Excellent
Sat
22 Nov
35
Excellent
Sun
23 Nov
32
Excellent
Mon
24 Nov
36
Excellent
Tue
25 Nov
35
Excellent
Wed
26 Nov
35
Excellent
Thu
27 Nov
46
Excellent
Air quality in the last 12 months (Yun County)
|
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
|
|
2025/04
|
98
|
92
|
86
|
94
|
84
|
96
|
97
|
83
|
80
|
75
|
62
|
45
|
29
|
40
|
47
|
28
|
23
|
27
|
31
|
36
|
35
|
34
|
50
|
55
|
63
|
65
|
67
|
68
|
43
|
34
|
|
|
2025/03
|
46
|
56
|
43
|
49
|
56
|
64
|
71
|
64
|
61
|
55
|
60
|
68
|
83
|
70
|
59
|
53
|
61
|
65
|
32
|
38
|
62
|
66
|
58
|
44
|
44
|
45
|
55
|
92
|
115
|
99
|
104
|
|
2025/02
|
61
|
59
|
52
|
50
|
56
|
60
|
54
|
40
|
43
|
41
|
37
|
40
|
46
|
58
|
54
|
57
|
44
|
44
|
54
|
50
|
52
|
50
|
56
|
53
|
47
|
37
|
36
|
43
|
|||
|
2025/01
|
36
|
33
|
34
|
36
|
43
|
41
|
33
|
34
|
31
|
38
|
40
|
36
|
40
|
38
|
50
|
46
|
43
|
42
|
37
|
33
|
35
|
42
|
39
|
32
|
35
|
46
|
28
|
45
|
70
|
41
|
44
|
|
2024/12
|
25
|
23
|
22
|
25
|
24
|
26
|
27
|
29
|
26
|
31
|
42
|
40
|
32
|
31
|
29
|
29
|
30
|
27
|
26
|
27
|
28
|
23
|
25
|
30
|
30
|
37
|
45
|
40
|
31
|
29
|
33
|
|
2024/11
|
32
|
34
|
27
|
27
|
30
|
35
|
16
|
13
|
19
|
24
|
20
|
20
|
22
|
24
|
24
|
26
|
27
|
28
|
27
|
24
|
24
|
19
|
23
|
25
|
26
|
23
|
24
|
23
|
20
|
20
|
|
|
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