Air Quality
Excellent
No health implications.
11
PM2.5
18
PM10
97
O3
0.9
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
77
Good
Thu
18 Sep
68
Good
Fri
19 Sep
72
Good
Sat
20 Sep
63
Good
Sun
21 Sep
49
Excellent
Mon
22 Sep
42
Excellent
Tue
23 Sep
22
Excellent
Air quality in the last 12 months (Yunan)
|
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
|
|
2025/04
|
32
|
56
|
66
|
60
|
75
|
80
|
72
|
70
|
67
|
59
|
49
|
82
|
212
|
165
|
117
|
96
|
88
|
65
|
43
|
40
|
33
|
41
|
36
|
40
|
18
|
33
|
48
|
30
|
53
|
52
|
|
|
2025/03
|
43
|
40
|
54
|
29
|
15
|
15
|
21
|
28
|
44
|
62
|
74
|
46
|
42
|
42
|
26
|
19
|
44
|
40
|
53
|
63
|
67
|
74
|
80
|
89
|
76
|
66
|
45
|
53
|
13
|
13
|
16
|
|
2025/02
|
40
|
29
|
17
|
25
|
39
|
53
|
27
|
45
|
53
|
56
|
60
|
53
|
48
|
69
|
75
|
66
|
46
|
51
|
63
|
61
|
31
|
42
|
22
|
31
|
75
|
90
|
81
|
60
|
|||
|
2025/01
|
87
|
79
|
72
|
81
|
94
|
91
|
84
|
82
|
81
|
45
|
54
|
69
|
72
|
93
|
75
|
78
|
69
|
76
|
77
|
71
|
72
|
68
|
61
|
48
|
42
|
23
|
38
|
41
|
106
|
54
|
41
|
|
2024/12
|
68
|
74
|
74
|
68
|
71
|
77
|
41
|
31
|
50
|
53
|
51
|
34
|
40
|
62
|
55
|
61
|
68
|
59
|
57
|
71
|
70
|
74
|
80
|
75
|
75
|
68
|
77
|
81
|
78
|
80
|
81
|
|
2024/11
|
49
|
55
|
61
|
54
|
66
|
61
|
56
|
61
|
68
|
64
|
63
|
64
|
59
|
55
|
43
|
44
|
46
|
24
|
23
|
24
|
29
|
27
|
37
|
45
|
38
|
28
|
39
|
53
|
56
|
58
|
|
|
2024/10
|
39
|
31
|
53
|
52
|
53
|
52
|
61
|
51
|
47
|
47
|
54
|
59
|
65
|
63
|
48
|
43
|
40
|
41
|
39
|
23
|
39
|
44
|
23
|
42
|
51
|
44
|
30
|
23
|
25
|
43
|
58
|
|
2024/09
|
40
|
47
|
35
|
44
|
46
|
28
|
17
|
20
|
28
|
28
|
40
|
50
|
45
|
43
|
31
|
42
|
36
|
33
|
48
|
44
|
41
|
21
|
24
|
23
|
26
|
42
|
49
|
57
|
51
|
55
|
|
|
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