Air Quality
Excellent
No health implications.
13
PM2.5
33
PM10
99
O3
0.5
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
47
Excellent
Tue
18 Mar
50
Excellent
Wed
19 Mar
52
Good
Thu
20 Mar
52
Good
Fri
21 Mar
54
Good
Sat
22 Mar
54
Good
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