Air Quality
Excellent
No health implications.
13
PM2.5
23
PM10
42
O3
0.5
CO
11
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
44
Excellent
Tue
18 Mar
54
Good
Wed
19 Mar
61
Good
Thu
20 Mar
58
Good
Fri
21 Mar
56
Good
Sat
22 Mar
49
Excellent
Sun
23 Mar
16
Excellent
Air quality in the last 12 months (Yunxi)
|
2025/02
|
96
|
65
|
40
|
36
|
32
|
31
|
83
|
45
|
45
|
56
|
79
|
67
|
55
|
53
|
43
|
51
|
63
|
69
|
88
|
109
|
111
|
98
|
84
|
116
|
86
|
57
|
84
|
72
|
|||
|
2025/01
|
56
|
96
|
144
|
136
|
58
|
56
|
53
|
40
|
52
|
60
|
50
|
58
|
61
|
61
|
53
|
44
|
54
|
69
|
51
|
53
|
83
|
174
|
180
|
67
|
22
|
50
|
54
|
57
|
128
|
102
|
114
|
|
2024/12
|
38
|
45
|
67
|
59
|
39
|
35
|
42
|
81
|
81
|
75
|
81
|
100
|
41
|
37
|
32
|
41
|
58
|
67
|
56
|
79
|
64
|
55
|
49
|
67
|
67
|
71
|
79
|
40
|
46
|
40
|
43
|
|
2024/11
|
35
|
32
|
26
|
35
|
47
|
50
|
65
|
70
|
73
|
54
|
65
|
63
|
60
|
27
|
31
|
15
|
14
|
21
|
26
|
21
|
22
|
29
|
73
|
68
|
19
|
27
|
41
|
43
|
35
|
33
|
|
|
2024/10
|
28
|
29
|
34
|
32
|
38
|
36
|
37
|
46
|
43
|
36
|
43
|
44
|
45
|
32
|
36
|
67
|
52
|
24
|
24
|
19
|
17
|
21
|
26
|
30
|
43
|
41
|
27
|
38
|
50
|
62
|
55
|
|
2024/09
|
31
|
34
|
35
|
37
|
30
|
29
|
38
|
49
|
41
|
37
|
36
|
33
|
33
|
34
|
38
|
30
|
23
|
22
|
26
|
21
|
18
|
26
|
30
|
37
|
35
|
46
|
54
|
56
|
50
|
14
|
|
|
2024/08
|
26
|
28
|
23
|
19
|
22
|
22
|
23
|
28
|
38
|
67
|
61
|
31
|
25
|
29
|
31
|
32
|
28
|
27
|
23
|
27
|
20
|
27
|
35
|
43
|
34
|
32
|
22
|
22
|
30
|
33
|
34
|
|
2024/07
|
22
|
26
|
34
|
21
|
24
|
21
|
27
|
23
|
18
|
30
|
28
|
24
|
29
|
20
|
19
|
21
|
20
|
21
|
16
|
23
|
27
|
30
|
30
|
36
|
53
|
46
|
26
|
28
|
17
|
16
|
21
|
|
2024/06
|
53
|
60
|
39
|
34
|
21
|
32
|
39
|
35
|
29
|
30
|
29
|
30
|
32
|
33
|
33
|
37
|
21
|
34
|
38
|
33
|
28
|
27
|
27
|
63
|
82
|
59
|
53
|
41
|
33
|
40
|
|
|
2024/05
|
20
|
29
|
33
|
23
|
23
|
34
|
49
|
48
|
49
|
47
|
55
|
49
|
55
|
55
|
56
|
45
|
48
|
59
|
47
|
25
|
36
|
38
|
41
|
52
|
61
|
21
|
40
|
38
|
37
|
26
|
36
|
|
2024/04
|
63
|
37
|
62
|
64
|
57
|
37
|
33
|
38
|
42
|
35
|
28
|
28
|
44
|
31
|
45
|
54
|
48
|
46
|
63
|
94
|
74
|
58
|
152
|
104
|
58
|
46
|
48
|
47
|
41
|
14
|
|
|
2024/03
|
78
|
74
|
70
|
60
|
67
|
78
|
87
|
65
|
63
|
67
|
48
|
64
|
67
|
55
|
73
|
101
|
87
|
46
|
61
|
68
|
70
|
66
|
55
|
34
|
27
|
43
|
53
|
49
|
45
|
54
|
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