Air Quality
Excellent
No health implications.
11
PM2.5
27
PM10
24
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
39
Excellent
Thu
29 May
43
Excellent
Fri
30 May
43
Excellent
Sat
31 May
58
Good
Sun
1 Jun
58
Good
Mon
2 Jun
32
Excellent
Tue
3 Jun
15
Excellent
Air quality in the last 12 months (Songming)
|
2025/04
|
44
|
51
|
72
|
78
|
78
|
62
|
66
|
65
|
62
|
67
|
54
|
56
|
77
|
64
|
60
|
27
|
25
|
32
|
34
|
36
|
30
|
33
|
40
|
47
|
41
|
61
|
64
|
46
|
33
|
29
|
|
|
2025/03
|
46
|
44
|
42
|
45
|
51
|
46
|
40
|
58
|
49
|
50
|
50
|
61
|
66
|
70
|
60
|
33
|
25
|
18
|
36
|
46
|
64
|
63
|
57
|
44
|
41
|
40
|
41
|
80
|
97
|
64
|
54
|
|
2025/02
|
41
|
53
|
24
|
43
|
51
|
51
|
28
|
40
|
44
|
34
|
38
|
55
|
60
|
58
|
53
|
60
|
36
|
42
|
54
|
46
|
52
|
48
|
53
|
34
|
34
|
31
|
33
|
40
|
|||
|
2025/01
|
40
|
48
|
43
|
44
|
36
|
52
|
38
|
37
|
34
|
26
|
17
|
46
|
46
|
48
|
63
|
78
|
53
|
51
|
71
|
58
|
47
|
51
|
45
|
28
|
33
|
30
|
42
|
49
|
96
|
39
|
36
|
|
2024/12
|
25
|
30
|
26
|
28
|
35
|
33
|
40
|
41
|
21
|
25
|
34
|
32
|
51
|
37
|
44
|
45
|
38
|
32
|
39
|
29
|
38
|
32
|
35
|
36
|
36
|
44
|
52
|
43
|
36
|
36
|
49
|
|
2024/11
|
25
|
26
|
45
|
35
|
39
|
48
|
37
|
24
|
20
|
36
|
32
|
23
|
26
|
35
|
41
|
39
|
44
|
38
|
37
|
38
|
23
|
30
|
20
|
18
|
27
|
33
|
28
|
35
|
28
|
22
|
|
|
2024/10
|
9
|
19
|
30
|
27
|
20
|
27
|
22
|
26
|
25
|
22
|
21
|
21
|
25
|
26
|
25
|
18
|
19
|
33
|
45
|
29
|
23
|
23
|
25
|
41
|
42
|
38
|
41
|
37
|
49
|
47
|
41
|
|
2024/09
|
27
|
24
|
22
|
26
|
22
|
35
|
28
|
13
|
13
|
12
|
18
|
21
|
31
|
34
|
33
|
24
|
21
|
24
|
28
|
35
|
32
|
19
|
24
|
43
|
40
|
38
|
32
|
16
|
20
|
25
|
|
|
2024/08
|
36
|
35
|
28
|
20
|
20
|
17
|
18
|
17
|
14
|
20
|
44
|
45
|
51
|
45
|
39
|
36
|
36
|
37
|
35
|
42
|
39
|
26
|
22
|
27
|
26
|
18
|
22
|
27
|
34
|
36
|
31
|
|
2024/07
|
15
|
22
|
20
|
9
|
13
|
14
|
13
|
14
|
14
|
16
|
12
|
16
|
17
|
16
|
17
|
17
|
21
|
22
|
19
|
19
|
16
|
13
|
23
|
28
|
22
|
29
|
37
|
23
|
21
|
17
|
25
|
|
2024/06
|
36
|
27
|
32
|
31
|
16
|
19
|
16
|
16
|
14
|
16
|
18
|
18
|
16
|
20
|
26
|
22
|
22
|
22
|
27
|
32
|
24
|
25
|
19
|
18
|
18
|
18
|
14
|
11
|
20
|
16
|
|
|
2024/05
|
54
|
48
|
28
|
47
|
44
|
40
|
40
|
37
|
22
|
24
|
30
|
27
|
19
|
36
|
26
|
21
|
32
|
30
|
27
|
22
|
26
|
33
|
30
|
34
|
22
|
12
|
13
|
17
|
17
|
25
|
18
|
|
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