Air Quality
Excellent
No health implications.
23
PM2.5
49
PM10
81
O3
0.4
CO
9
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
53
Good
Thu
25 Apr
56
Good
Fri
26 Apr
64
Good
Sat
27 Apr
69
Good
Sun
28 Apr
57
Good
Mon
29 Apr
42
Excellent
Tue
30 Apr
45
Excellent
Air quality in the last 12 months (Yunyang)
|
2024/02
|
75
|
26
|
24
|
22
|
32
|
43
|
43
|
51
|
79
|
158
|
78
|
53
|
63
|
74
|
42
|
31
|
35
|
54
|
89
|
53
|
21
|
24
|
29
|
37
|
45
|
44
|
47
|
49
|
60
|
||
|
2024/01
|
86
|
59
|
40
|
45
|
67
|
103
|
89
|
62
|
71
|
76
|
94
|
84
|
102
|
142
|
97
|
55
|
43
|
27
|
20
|
23
|
29
|
28
|
33
|
48
|
63
|
58
|
55
|
70
|
76
|
87
|
97
|
|
2023/12
|
37
|
37
|
54
|
60
|
56
|
67
|
68
|
80
|
127
|
146
|
67
|
15
|
20
|
37
|
22
|
29
|
31
|
36
|
47
|
57
|
66
|
66
|
72
|
82
|
95
|
111
|
129
|
146
|
184
|
139
|
86
|
|
2023/11
|
51
|
59
|
49
|
27
|
26
|
26
|
30
|
33
|
43
|
26
|
21
|
20
|
18
|
26
|
30
|
46
|
59
|
58
|
72
|
68
|
69
|
96
|
95
|
82
|
54
|
44
|
39
|
44
|
50
|
40
|
|
|
2023/10
|
16
|
15
|
15
|
14
|
20
|
22
|
19
|
24
|
33
|
28
|
28
|
37
|
40
|
41
|
44
|
40
|
45
|
56
|
38
|
23
|
30
|
33
|
47
|
61
|
54
|
48
|
30
|
28
|
34
|
40
|
41
|
|
2023/09
|
51
|
62
|
50
|
44
|
44
|
44
|
42
|
41
|
47
|
54
|
40
|
16
|
21
|
28
|
33
|
38
|
41
|
38
|
30
|
22
|
23
|
16
|
15
|
13
|
13
|
17
|
19
|
18
|
19
|
17
|
|
|
2023/08
|
23
|
23
|
23
|
29
|
27
|
26
|
23
|
23
|
28
|
27
|
30
|
31
|
27
|
28
|
31
|
35
|
38
|
40
|
39
|
28
|
33
|
46
|
38
|
43
|
43
|
20
|
16
|
26
|
28
|
33
|
37
|
|
2023/07
|
23
|
22
|
27
|
23
|
28
|
24
|
27
|
29
|
26
|
23
|
27
|
29
|
29
|
19
|
34
|
38
|
41
|
35
|
27
|
26
|
21
|
32
|
34
|
26
|
17
|
18
|
20
|
26
|
25
|
31
|
27
|
|
2023/06
|
18
|
25
|
29
|
27
|
13
|
28
|
26
|
32
|
40
|
57
|
60
|
46
|
35
|
33
|
37
|
24
|
15
|
16
|
26
|
39
|
30
|
29
|
25
|
26
|
33
|
37
|
33
|
29
|
15
|
22
|
|
|
2023/05
|
50
|
50
|
33
|
33
|
21
|
18
|
20
|
24
|
35
|
26
|
29
|
40
|
49
|
59
|
59
|
43
|
38
|
48
|
48
|
47
|
44
|
19
|
19
|
25
|
37
|
29
|
32
|
46
|
35
|
33
|
25
|
|
2023/04
|
45
|
48
|
39
|
18
|
21
|
31
|
58
|
65
|
66
|
63
|
59
|
68
|
61
|
51
|
51
|
52
|
52
|
52
|
50
|
48
|
43
|
20
|
17
|
17
|
26
|
35
|
42
|
43
|
55
|
61
|
|
|
2023/03
|
88
|
59
|
67
|
66
|
55
|
63
|
71
|
61
|
51
|
47
|
41
|
53
|
52
|
46
|
45
|
54
|
18
|
22
|
20
|
24
|
33
|
44
|
42
|
24
|
21
|
25
|
33
|
41
|
47
|
45
|
44
|
|
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