Air Quality
Excellent
No health implications.
5
PM2.5
19
PM10
92
O3
0.4
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
70
Good
Sat
10 May
34
Excellent
Sun
11 May
63
Good
Mon
12 May
73
Good
Tue
13 May
60
Good
Wed
14 May
62
Good
Thu
15 May
32
Excellent
Air quality in the last 12 months (Yunyan)
|
2025/02
|
23
|
18
|
29
|
35
|
40
|
16
|
23
|
51
|
60
|
42
|
32
|
46
|
44
|
21
|
29
|
41
|
28
|
29
|
18
|
15
|
17
|
12
|
18
|
21
|
30
|
46
|
29
|
37
|
|||
|
2025/01
|
87
|
67
|
77
|
83
|
81
|
79
|
62
|
42
|
21
|
37
|
53
|
64
|
56
|
70
|
63
|
75
|
67
|
64
|
61
|
78
|
85
|
78
|
67
|
56
|
16
|
21
|
44
|
54
|
60
|
45
|
40
|
|
2024/12
|
65
|
86
|
51
|
39
|
22
|
12
|
16
|
43
|
20
|
11
|
26
|
38
|
50
|
65
|
65
|
68
|
67
|
56
|
68
|
90
|
123
|
79
|
67
|
81
|
70
|
46
|
55
|
82
|
65
|
44
|
57
|
|
2024/11
|
49
|
27
|
54
|
60
|
53
|
57
|
50
|
45
|
43
|
36
|
35
|
30
|
35
|
45
|
51
|
49
|
39
|
14
|
12
|
16
|
16
|
24
|
30
|
32
|
13
|
21
|
31
|
32
|
44
|
50
|
|
|
2024/10
|
7
|
11
|
35
|
40
|
40
|
58
|
29
|
24
|
42
|
52
|
59
|
47
|
33
|
18
|
26
|
30
|
22
|
29
|
17
|
12
|
21
|
13
|
23
|
20
|
17
|
30
|
50
|
43
|
33
|
35
|
43
|
|
2024/09
|
23
|
20
|
16
|
19
|
29
|
37
|
28
|
15
|
16
|
22
|
21
|
30
|
31
|
33
|
24
|
31
|
20
|
22
|
27
|
32
|
27
|
16
|
29
|
32
|
43
|
47
|
43
|
40
|
25
|
13
|
|
|
2024/08
|
11
|
12
|
14
|
14
|
20
|
20
|
23
|
22
|
25
|
22
|
29
|
50
|
49
|
40
|
33
|
36
|
28
|
27
|
42
|
34
|
30
|
20
|
16
|
15
|
14
|
21
|
21
|
26
|
34
|
31
|
22
|
|
2024/07
|
22
|
29
|
15
|
14
|
17
|
18
|
20
|
24
|
25
|
25
|
23
|
22
|
23
|
18
|
17
|
19
|
18
|
16
|
13
|
14
|
14
|
18
|
17
|
14
|
26
|
41
|
37
|
35
|
17
|
18
|
14
|
|
2024/06
|
28
|
30
|
8
|
16
|
21
|
22
|
16
|
11
|
9
|
12
|
30
|
28
|
33
|
36
|
46
|
29
|
12
|
26
|
21
|
26
|
29
|
14
|
28
|
31
|
15
|
10
|
11
|
16
|
15
|
30
|
|
|
2024/05
|
18
|
17
|
13
|
15
|
33
|
43
|
23
|
24
|
20
|
19
|
20
|
15
|
40
|
43
|
43
|
39
|
38
|
15
|
25
|
32
|
20
|
24
|
39
|
35
|
34
|
23
|
30
|
29
|
19
|
13
|
34
|
|
2024/04
|
45
|
49
|
46
|
15
|
18
|
16
|
17
|
22
|
36
|
44
|
34
|
47
|
59
|
59
|
71
|
71
|
48
|
27
|
20
|
23
|
27
|
46
|
26
|
36
|
41
|
46
|
40
|
54
|
59
|
17
|
|
|
2024/03
|
44
|
63
|
35
|
37
|
32
|
25
|
57
|
56
|
41
|
48
|
54
|
48
|
40
|
34
|
28
|
35
|
44
|
16
|
37
|
65
|
61
|
52
|
42
|
49
|
33
|
37
|
56
|
29
|
51
|
48
|
52
|
|
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