Air Quality
Excellent
No health implications.
22
PM2.5
50
PM10
107
O3
0.3
CO
9
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
62
Good
Sat
10 May
65
Good
Sun
11 May
70
Good
Mon
12 May
74
Good
Tue
13 May
66
Good
Wed
14 May
64
Good
Thu
15 May
44
Excellent
Air quality in the last 12 months (Yunyang)
|
2025/02
|
49
|
34
|
43
|
45
|
46
|
40
|
39
|
49
|
54
|
57
|
76
|
63
|
54
|
48
|
51
|
50
|
48
|
47
|
54
|
54
|
52
|
42
|
36
|
56
|
59
|
63
|
57
|
70
|
|||
|
2025/01
|
134
|
140
|
156
|
154
|
52
|
63
|
68
|
64
|
57
|
64
|
74
|
76
|
80
|
102
|
61
|
65
|
78
|
95
|
103
|
117
|
134
|
182
|
161
|
80
|
22
|
32
|
56
|
65
|
119
|
79
|
91
|
|
2024/12
|
81
|
94
|
101
|
62
|
25
|
35
|
40
|
38
|
51
|
57
|
50
|
48
|
56
|
66
|
76
|
85
|
102
|
101
|
75
|
110
|
152
|
88
|
66
|
85
|
109
|
118
|
115
|
84
|
98
|
132
|
137
|
|
2024/11
|
65
|
67
|
65
|
53
|
33
|
44
|
51
|
65
|
38
|
36
|
55
|
57
|
40
|
46
|
46
|
43
|
14
|
14
|
17
|
21
|
32
|
38
|
38
|
37
|
22
|
32
|
40
|
47
|
61
|
74
|
|
|
2024/10
|
20
|
35
|
45
|
48
|
54
|
38
|
33
|
36
|
49
|
62
|
53
|
44
|
41
|
47
|
48
|
53
|
27
|
23
|
28
|
15
|
17
|
26
|
34
|
46
|
48
|
55
|
59
|
56
|
49
|
59
|
64
|
|
2024/09
|
35
|
35
|
32
|
31
|
35
|
34
|
32
|
29
|
27
|
35
|
38
|
30
|
29
|
34
|
23
|
26
|
22
|
23
|
25
|
23
|
20
|
26
|
34
|
38
|
53
|
66
|
54
|
57
|
54
|
29
|
|
|
2024/08
|
23
|
23
|
17
|
17
|
15
|
19
|
23
|
25
|
32
|
31
|
53
|
52
|
30
|
31
|
32
|
38
|
40
|
35
|
31
|
32
|
33
|
40
|
39
|
30
|
28
|
30
|
29
|
17
|
19
|
21
|
24
|
|
2024/07
|
32
|
28
|
22
|
14
|
17
|
16
|
21
|
19
|
23
|
23
|
13
|
14
|
14
|
11
|
18
|
18
|
24
|
23
|
23
|
20
|
19
|
20
|
21
|
22
|
28
|
24
|
26
|
32
|
20
|
14
|
24
|
|
2024/06
|
36
|
39
|
34
|
19
|
20
|
21
|
27
|
36
|
29
|
33
|
37
|
37
|
42
|
43
|
40
|
32
|
23
|
22
|
21
|
19
|
18
|
15
|
28
|
45
|
31
|
24
|
24
|
16
|
23
|
32
|
|
|
2024/05
|
18
|
22
|
23
|
23
|
29
|
39
|
44
|
35
|
42
|
41
|
25
|
48
|
61
|
54
|
46
|
46
|
55
|
60
|
32
|
22
|
29
|
33
|
31
|
36
|
35
|
21
|
21
|
35
|
23
|
20
|
30
|
|
2024/04
|
37
|
30
|
19
|
25
|
30
|
19
|
21
|
26
|
35
|
36
|
30
|
26
|
32
|
39
|
51
|
36
|
22
|
21
|
24
|
45
|
53
|
46
|
40
|
48
|
40
|
44
|
42
|
30
|
30
|
13
|
|
|
2024/03
|
61
|
60
|
63
|
60
|
80
|
74
|
50
|
57
|
57
|
77
|
79
|
62
|
51
|
50
|
55
|
62
|
54
|
27
|
38
|
59
|
60
|
61
|
52
|
38
|
22
|
25
|
24
|
38
|
46
|
43
|
37
|
|
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