Air Quality
Excellent
No health implications.
14
PM2.5
39
PM10
58
O3
0.7
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
68
Good
Mon
29 May
55
Good
Tue
30 May
61
Good
Wed
31 May
66
Good
Thu
1 Jun
57
Good
Fri
2 Jun
45
Excellent
Sat
3 Jun
45
Excellent
Air quality in the last 12 months (Yunan)
|
2023/04
|
21
|
34
|
35
|
42
|
39
|
35
|
30
|
57
|
66
|
57
|
50
|
51
|
48
|
50
|
42
|
66
|
61
|
46
|
46
|
56
|
52
|
43
|
38
|
22
|
17
|
36
|
61
|
56
|
40
|
62
|
|
|
2023/03
|
78
|
82
|
89
|
90
|
80
|
74
|
62
|
68
|
66
|
66
|
54
|
71
|
87
|
89
|
71
|
64
|
54
|
60
|
63
|
58
|
40
|
57
|
53
|
38
|
21
|
13
|
15
|
19
|
14
|
18
|
23
|
|
2023/02
|
61
|
54
|
65
|
75
|
22
|
31
|
30
|
35
|
37
|
26
|
47
|
33
|
27
|
19
|
28
|
42
|
62
|
62
|
65
|
43
|
67
|
72
|
82
|
84
|
45
|
45
|
69
|
69
|
|||
|
2023/01
|
46
|
52
|
53
|
57
|
63
|
64
|
69
|
61
|
19
|
20
|
18
|
16
|
21
|
34
|
17
|
23
|
33
|
41
|
52
|
59
|
60
|
94
|
89
|
56
|
65
|
58
|
44
|
61
|
60
|
53
|
58
|
|
2022/12
|
14
|
17
|
33
|
28
|
20
|
26
|
36
|
41
|
44
|
60
|
54
|
80
|
72
|
71
|
64
|
51
|
66
|
48
|
56
|
65
|
58
|
70
|
63
|
68
|
60
|
62
|
69
|
85
|
62
|
40
|
46
|
|
2022/11
|
46
|
46
|
45
|
25
|
20
|
24
|
41
|
40
|
36
|
57
|
56
|
63
|
66
|
72
|
72
|
69
|
49
|
50
|
55
|
40
|
56
|
40
|
12
|
10
|
14
|
15
|
28
|
36
|
40
|
15
|
|
|
2022/10
|
24
|
35
|
39
|
49
|
60
|
47
|
48
|
35
|
45
|
35
|
47
|
60
|
58
|
67
|
65
|
67
|
64
|
60
|
56
|
67
|
80
|
74
|
74
|
81
|
84
|
62
|
81
|
61
|
43
|
34
|
46
|
|
2022/09
|
30
|
34
|
43
|
54
|
58
|
63
|
62
|
39
|
22
|
40
|
49
|
58
|
66
|
67
|
74
|
80
|
77
|
69
|
62
|
60
|
56
|
51
|
54
|
58
|
68
|
73
|
71
|
61
|
52
|
29
|
|
|
2022/08
|
50
|
46
|
47
|
28
|
18
|
23
|
37
|
38
|
21
|
14
|
16
|
21
|
24
|
31
|
49
|
41
|
38
|
32
|
29
|
24
|
19
|
32
|
45
|
50
|
21
|
29
|
36
|
50
|
43
|
53
|
48
|
|
2022/07
|
24
|
15
|
15
|
21
|
27
|
22
|
17
|
29
|
34
|
37
|
35
|
31
|
38
|
48
|
44
|
44
|
43
|
35
|
28
|
25
|
27
|
41
|
49
|
52
|
56
|
56
|
55
|
56
|
53
|
57
|
53
|
|
2022/06
|
32
|
34
|
30
|
31
|
34
|
38
|
32
|
22
|
21
|
30
|
19
|
28
|
35
|
21
|
22
|
28
|
30
|
31
|
28
|
27
|
33
|
30
|
31
|
36
|
39
|
27
|
28
|
32
|
32
|
40
|
|
|
2022/05
|
18
|
26
|
45
|
56
|
70
|
72
|
64
|
48
|
55
|
40
|
19
|
17
|
16
|
18
|
19
|
22
|
39
|
58
|
59
|
60
|
58
|
33
|
30
|
30
|
35
|
29
|
33
|
30
|
31
|
37
|
39
|
|
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