Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
38
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
39
Excellent
Fri
22 May
50
Excellent
Sat
23 May
49
Excellent
Sun
24 May
52
Good
Mon
25 May
53
Good
Tue
26 May
55
Good
Wed
27 May
20
Excellent
Air quality in the last 12 months (Yunan)
|
2026/04
|
26
|
37
|
52
|
32
|
51
|
58
|
52
|
42
|
41
|
37
|
43
|
44
|
37
|
35
|
29
|
31
|
32
|
39
|
45
|
46
|
33
|
31
|
16
|
21
|
41
|
60
|
41
|
32
|
25
|
26
|
|
|
2026/03
|
16
|
20
|
13
|
17
|
29
|
26
|
44
|
58
|
45
|
17
|
35
|
42
|
56
|
51
|
51
|
45
|
40
|
40
|
43
|
48
|
36
|
41
|
42
|
58
|
59
|
50
|
41
|
39
|
36
|
32
|
37
|
|
2026/02
|
34
|
45
|
56
|
64
|
59
|
57
|
35
|
28
|
43
|
53
|
44
|
35
|
49
|
60
|
44
|
34
|
47
|
38
|
52
|
59
|
63
|
51
|
43
|
49
|
44
|
55
|
40
|
21
|
|||
|
2026/01
|
63
|
46
|
39
|
57
|
54
|
44
|
55
|
52
|
54
|
60
|
55
|
63
|
67
|
68
|
72
|
71
|
86
|
77
|
70
|
56
|
31
|
31
|
31
|
57
|
69
|
74
|
53
|
53
|
61
|
48
|
32
|
|
2025/12
|
45
|
40
|
65
|
78
|
66
|
72
|
76
|
69
|
63
|
68
|
67
|
62
|
30
|
36
|
51
|
58
|
49
|
55
|
63
|
69
|
57
|
72
|
70
|
49
|
28
|
48
|
52
|
62
|
65
|
57
|
68
|
|
2025/11
|
33
|
33
|
24
|
11
|
18
|
36
|
32
|
30
|
20
|
17
|
18
|
30
|
34
|
36
|
50
|
53
|
52
|
31
|
24
|
35
|
44
|
49
|
59
|
61
|
51
|
55
|
60
|
63
|
60
|
59
|
|
|
2025/10
|
46
|
40
|
26
|
38
|
22
|
17
|
27
|
44
|
37
|
45
|
50
|
38
|
27
|
26
|
31
|
46
|
54
|
50
|
27
|
17
|
15
|
16
|
20
|
37
|
43
|
49
|
39
|
43
|
49
|
54
|
32
|
|
2025/09
|
28
|
31
|
36
|
44
|
36
|
39
|
45
|
15
|
15
|
20
|
23
|
30
|
32
|
38
|
32
|
31
|
40
|
36
|
40
|
31
|
15
|
21
|
26
|
16
|
16
|
23
|
35
|
36
|
37
|
34
|
|
|
2025/08
|
25
|
21
|
21
|
31
|
20
|
19
|
25
|
26
|
37
|
36
|
40
|
42
|
39
|
38
|
15
|
27
|
25
|
12
|
21
|
18
|
23
|
26
|
37
|
28
|
31
|
32
|
43
|
28
|
33
|
33
|
28
|
|
2025/07
|
20
|
26
|
31
|
42
|
47
|
40
|
42
|
30
|
39
|
31
|
32
|
27
|
31
|
39
|
33
|
35
|
40
|
46
|
32
|
21
|
11
|
17
|
16
|
24
|
36
|
36
|
38
|
42
|
36
|
29
|
24
|
|
2025/06
|
31
|
31
|
19
|
30
|
35
|
29
|
29
|
23
|
35
|
30
|
26
|
16
|
15
|
16
|
17
|
22
|
18
|
19
|
18
|
19
|
17
|
23
|
21
|
23
|
26
|
22
|
16
|
22
|
23
|
21
|
|
|
2025/05
|
30
|
41
|
34
|
28
|
28
|
26
|
19
|
24
|
20
|
34
|
36
|
51
|
49
|
40
|
28
|
25
|
16
|
19
|
21
|
25
|
32
|
30
|
31
|
16
|
42
|
37
|
55
|
52
|
21
|
20
|
27
|
|
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