Guizhou - China   2022-05-21   Saturday   25.99N, 107.88E

Sandu

Guizhou - China
2022-05-21

Air Quality

Excellent

No health implications.

17

PM2.5

23

PM10

9

O3

0.5

CO

4

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

21 May

32 Excellent

Sun

22 May

35 Excellent

Mon

23 May

37 Excellent

Tue

24 May

36 Excellent

Wed

25 May

41 Excellent

Thu

26 May

38 Excellent

Monthly Average AQI (Sandu)

2017/05 - 2022/04

Air quality in the last 12 months (Sandu)

2022/04
24
24
32
40
42
33
40
47
57
64
57
51
26
23
20
20
20
20
31
35
32
36
35
36
25
31
27
38
21
17
2022/03
82
54
66
72
67
41
37
48
59
54
44
43
29
39
41
49
24
22
51
47
28
13
17
18
23
23
30
37
41
15
16
2022/02
58
24
34
30
33
34
14
19
22
18
16
18
21
23
34
21
11
12
30
68
29
19
26
28
38
48
62
103
2022/01
32
53
58
49
34
19
13
12
20
21
30
50
69
45
21
27
24
36
39
42
23
16
16
14
10
10
11
13
24
29
28
2021/12
39
45
57
53
54
54
48
69
85
94
78
24
36
46
62
53
28
38
45
55
55
55
63
77
28
11
35
24
33
45
40
2021/11
23
21
19
15
27
39
14
23
21
36
37
45
53
50
40
24
31
36
36
20
14
28
36
35
37
39
40
53
69
42
2021/10
34
36
31
25
25
33
42
28
23
14
16
18
25
20
20
22
18
17
16
11
16
22
26
34
36
45
52
62
27
21
19
2021/09
21
22
20
19
19
21
21
20
31
27
29
33
47
51
22
16
15
18
16
21
25
21
16
14
14
18
26
29
28
30
2021/08
32
33
38
38
38
33
34
33
30
23
17
14
16
14
13
11
14
18
19
18
21
20
21
18
19
21
18
21
17
19
17
2021/07
12
11
16
18
20
25
24
17
16
16
19
21
23
24
21
22
26
23
28
23
23
17
22
27
23
26
27
27
26
28
29
2021/06
33
29
24
27
31
35
36
43
49
33
28
24
19
16
16
19
21
23
28
27
29
32
30
34
24
17
19
19
14
11
2021/05
38
47
27
23
44
40
33
30
38
32
32
26
26
26
26
25
16
14
15
14
16
18
16
20
26
20
23
26
22
24
32
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