No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
28 May
Thu
29 May
Fri
30 May
Sat
31 May
Sun
1 Jun
Mon
2 Jun
Tue
3 Jun
大理古城
163
PM2.5
6
PM10
50
O3
0.4
CO
8
SO2
6
NO2
2025/04
|
85
|
67
|
64
|
63
|
60
|
59
|
51
|
58
|
62
|
46
|
41
|
43
|
24
|
28
|
35
|
28
|
30
|
25
|
25
|
23
|
25
|
25
|
39
|
48
|
57
|
57
|
58
|
56
|
37
|
40
|
|
2025/03
|
38
|
48
|
33
|
37
|
43
|
48
|
53
|
60
|
56
|
47
|
45
|
63
|
74
|
52
|
42
|
44
|
45
|
56
|
23
|
43
|
62
|
43
|
48
|
34
|
32
|
27
|
31
|
62
|
97
|
75
|
72
|
2025/02
|
50
|
51
|
50
|
46
|
38
|
47
|
49
|
33
|
36
|
30
|
29
|
31
|
40
|
52
|
34
|
37
|
39
|
40
|
49
|
34
|
36
|
36
|
38
|
40
|
34
|
25
|
22
|
33
|
|||
2025/01
|
27
|
27
|
30
|
29
|
31
|
32
|
25
|
25
|
23
|
25
|
32
|
35
|
32
|
36
|
39
|
40
|
29
|
28
|
26
|
26
|
35
|
46
|
35
|
24
|
28
|
35
|
31
|
45
|
49
|
37
|
38
|
2024/12
|
26
|
25
|
22
|
21
|
22
|
21
|
25
|
24
|
21
|
29
|
35
|
35
|
25
|
25
|
22
|
27
|
38
|
20
|
22
|
19
|
21
|
17
|
19
|
24
|
22
|
32
|
38
|
39
|
25
|
21
|
24
|
2024/11
|
32
|
36
|
27
|
29
|
27
|
31
|
18
|
17
|
20
|
24
|
24
|
22
|
22
|
23
|
27
|
30
|
30
|
26
|
24
|
24
|
23
|
20
|
20
|
21
|
22
|
21
|
21
|
22
|
24
|
24
|
|
2024/10
|
18
|
16
|
20
|
16
|
15
|
18
|
19
|
20
|
23
|
23
|
25
|
33
|
29
|
28
|
28
|
23
|
22
|
29
|
31
|
26
|
27
|
29
|
29
|
22
|
23
|
28
|
33
|
51
|
35
|
29
|
30
|
2024/09
|
20
|
22
|
20
|
18
|
17
|
24
|
31
|
30
|
23
|
17
|
22
|
23
|
23
|
25
|
24
|
28
|
23
|
25
|
31
|
32
|
34
|
29
|
27
|
30
|
30
|
26
|
23
|
23
|
19
|
22
|
|
2024/08
|
22
|
30
|
19
|
16
|
15
|
17
|
16
|
18
|
33
|
27
|
21
|
31
|
29
|
41
|
39
|
30
|
32
|
31
|
19
|
20
|
21
|
28
|
29
|
23
|
26
|
24
|
24
|
33
|
29
|
29
|
21
|
2024/07
|
11
|
14
|
13
|
15
|
15
|
20
|
16
|
16
|
19
|
19
|
14
|
13
|
17
|
19
|
16
|
17
|
24
|
22
|
22
|
29
|
14
|
15
|
16
|
18
|
23
|
20
|
21
|
27
|
24
|
26
|
23
|
2024/06
|
40
|
37
|
33
|
35
|
31
|
28
|
23
|
24
|
20
|
24
|
33
|
36
|
15
|
18
|
18
|
23
|
28
|
26
|
29
|
36
|
37
|
36
|
29
|
16
|
16
|
24
|
15
|
15
|
15
|
13
|
|
2024/05
|
41
|
42
|
34
|
57
|
54
|
32
|
36
|
38
|
25
|
31
|
34
|
32
|
35
|
31
|
30
|
33
|
34
|
37
|
37
|
20
|
24
|
32
|
25
|
23
|
20
|
16
|
14
|
11
|
21
|
40
|
30
|
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
|
*: primary pollution