Air Quality
Excellent
No health implications.
23
PM2.5
30
PM10
79
O3
0.5
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
53
Good
Sat
15 Mar
48
Excellent
Sun
16 Mar
54
Good
Mon
17 Mar
56
Good
Tue
18 Mar
50
Excellent
Wed
19 Mar
59
Good
Thu
20 Mar
43
Excellent
Air quality in the last 12 months (Yunyang)
|
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
|
|
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
|
||
|
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