Guizhou - China   2025-05-23   Friday   25.99N, 107.88E

Sandu

Guizhou - China
2025-05-23

Air Quality

Excellent

No health implications.

13

PM2.5

21

PM10

73

O3

0.5

CO

6

SO2

7

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

23 May

34 Excellent

Sat

24 May

48 Excellent

Sun

25 May

52 Good

Mon

26 May

55 Good

Tue

27 May

43 Excellent

Wed

28 May

41 Excellent

Thu

29 May

43 Excellent

Monthly Average AQI (Sandu)

2020/05 - 2025/04

Air quality in the last 12 months (Sandu)

2025/04
29
44
56
58
56
57
82
72
73
63
55
62
160
88
65
71
63
60
28
26
35
21
40
19
25
26
19
25
35
19
2025/03
33
29
54
21
11
18
24
30
27
18
22
34
23
14
9
23
32
20
26
33
43
54
66
57
62
67
70
72
16
11
26
2025/02
11
8
26
42
47
21
19
53
55
45
48
41
48
23
17
35
28
18
11
8
17
10
14
33
20
29
21
26
2025/01
77
79
68
88
83
69
74
48
25
39
45
44
47
65
64
67
60
64
72
66
79
89
109
94
24
13
35
44
84
50
34
2024/12
46
62
66
72
22
12
12
37
28
12
16
40
51
44
40
45
59
54
67
82
81
85
90
80
78
76
64
60
69
82
57
2024/11
39
41
48
54
55
57
48
41
47
43
42
42
50
54
55
58
40
11
9
10
12
17
28
30
22
15
26
26
26
33
2024/10
8
18
38
34
37
49
45
29
26
32
44
53
56
18
19
22
17
18
14
11
21
13
19
19
19
26
24
30
31
34
40
2024/09
17
15
12
13
26
32
21
13
13
15
21
26
28
25
21
21
23
24
24
24
20
17
24
30
33
40
40
39
26
19
2024/08
7
8
8
11
14
16
17
17
18
18
13
34
31
27
27
26
22
23
23
18
15
11
9
11
12
13
13
19
26
23
21
2024/07
13
14
9
10
10
9
9
10
14
14
10
11
13
10
11
13
12
10
7
9
14
15
12
11
17
25
18
13
8
8
9
2024/06
23
23
12
9
11
13
16
15
8
8
10
18
17
15
23
17
11
8
16
21
20
15
10
15
9
7
9
13
11
11
2024/05
13
15
9
15
19
28
22
23
22
13
20
22
32
36
42
36
35
18
14
19
10
24
26
26
31
18
16
27
27
13
16
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