Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
37
O3
0.6
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Nov
36
Excellent
Thu
20 Nov
36
Excellent
Fri
21 Nov
33
Excellent
Sat
22 Nov
34
Excellent
Sun
23 Nov
36
Excellent
Mon
24 Nov
33
Excellent
Tue
25 Nov
16
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