Air Quality
Excellent
No health implications.
12
PM2.5
25
PM10
61
O3
0.5
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
53
Good
Wed
17 Sep
47
Excellent
Thu
18 Sep
43
Excellent
Fri
19 Sep
45
Excellent
Sat
20 Sep
47
Excellent
Sun
21 Sep
43
Excellent
Mon
22 Sep
43
Excellent
Air quality in the last 12 months (Yunyang)
|
2025/08
|
40
|
40
|
38
|
49
|
47
|
37
|
32
|
33
|
24
|
23
|
30
|
31
|
21
|
33
|
33
|
23
|
28
|
32
|
34
|
31
|
33
|
27
|
33
|
22
|
33
|
39
|
36
|
31
|
22
|
23
|
22
|
|
2025/07
|
19
|
23
|
26
|
29
|
27
|
30
|
31
|
38
|
33
|
31
|
43
|
56
|
43
|
32
|
29
|
34
|
38
|
35
|
42
|
39
|
27
|
35
|
27
|
25
|
31
|
34
|
35
|
27
|
30
|
31
|
38
|
|
2025/06
|
45
|
37
|
45
|
43
|
44
|
34
|
48
|
37
|
42
|
52
|
51
|
47
|
42
|
40
|
38
|
48
|
47
|
37
|
19
|
30
|
31
|
41
|
39
|
42
|
33
|
20
|
28
|
31
|
30
|
31
|
|
|
2025/05
|
66
|
53
|
48
|
29
|
42
|
201
|
130
|
57
|
52
|
52
|
26
|
33
|
50
|
30
|
44
|
43
|
82
|
122
|
72
|
78
|
61
|
95
|
83
|
70
|
63
|
51
|
58
|
52
|
56
|
49
|
45
|
|
2025/04
|
49
|
46
|
36
|
51
|
63
|
66
|
61
|
42
|
50
|
51
|
55
|
197
|
103
|
61
|
28
|
38
|
61
|
69
|
62
|
47
|
53
|
98
|
79
|
63
|
45
|
58
|
45
|
29
|
25
|
34
|
|
|
2025/03
|
92
|
36
|
22
|
34
|
43
|
56
|
60
|
64
|
63
|
53
|
61
|
60
|
46
|
53
|
30
|
27
|
25
|
25
|
23
|
26
|
33
|
41
|
44
|
42
|
37
|
39
|
116
|
52
|
43
|
62
|
54
|
|
2025/02
|
120
|
76
|
43
|
43
|
30
|
28
|
78
|
34
|
39
|
58
|
84
|
62
|
46
|
52
|
39
|
39
|
59
|
71
|
91
|
102
|
104
|
98
|
88
|
117
|
83
|
64
|
92
|
78
|
|||
|
2025/01
|
60
|
107
|
169
|
143
|
58
|
52
|
49
|
35
|
48
|
59
|
49
|
50
|
63
|
62
|
45
|
42
|
57
|
72
|
51
|
55
|
96
|
196
|
167
|
59
|
19
|
45
|
47
|
58
|
128
|
118
|
129
|
|
2024/12
|
29
|
40
|
67
|
64
|
39
|
35
|
37
|
80
|
74
|
72
|
72
|
105
|
39
|
27
|
26
|
38
|
53
|
66
|
49
|
76
|
62
|
53
|
44
|
57
|
64
|
68
|
83
|
39
|
51
|
40
|
40
|
|
2024/11
|
36
|
30
|
21
|
36
|
47
|
50
|
63
|
72
|
78
|
56
|
77
|
72
|
84
|
32
|
40
|
21
|
18
|
24
|
26
|
17
|
19
|
28
|
79
|
66
|
18
|
18
|
26
|
27
|
24
|
27
|
|
|
2024/10
|
21
|
26
|
27
|
27
|
35
|
35
|
35
|
47
|
48
|
30
|
38
|
47
|
44
|
31
|
38
|
76
|
64
|
22
|
26
|
22
|
16
|
20
|
19
|
26
|
47
|
40
|
25
|
33
|
49
|
68
|
50
|
|
2024/09
|
31
|
33
|
40
|
37
|
28
|
23
|
35
|
48
|
47
|
39
|
31
|
27
|
32
|
34
|
37
|
36
|
23
|
19
|
28
|
19
|
18
|
22
|
24
|
30
|
30
|
40
|
48
|
54
|
44
|
18
|
|
|
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