Guizhou - China   2026-02-21   Saturday   25.99N, 107.88E

Sandu

Guizhou - China
2026-02-21

Air Quality

Good

Some pollutants may slightly affect very few hypersensitive individuals.

39 *

PM2.5

44

PM10

59

O3

0.7

CO

4

SO2

6

NO2

Some pollutants may slightly affect very few hypersensitive individuals.

Advise

Only very few hypersensitive people should reduce outdoor activities.

Air Quality

Today

21 Feb

58 Good

Sun

22 Feb

43 Excellent

Mon

23 Feb

44 Excellent

Tue

24 Feb

43 Excellent

Wed

25 Feb

49 Excellent

Thu

26 Feb

42 Excellent

Fri

27 Feb

50 Excellent

Monthly Average AQI (Sandu)

2021/02 - 2026/01

Air quality in the last 12 months (Sandu)

2026/01
16
29
17
22
23
34
47
53
60
68
59
64
63
86
97
99
102
61
53
17
22
38
50
53
38
19
25
47
56
15
24
2025/12
86
73
71
62
64
68
58
54
54
59
74
58
30
44
51
55
72
52
40
45
53
61
32
26
46
53
57
62
67
65
52
2025/11
17
14
7
9
15
14
16
10
7
7
10
24
29
30
34
36
41
16
19
22
30
28
50
46
41
38
50
43
35
45
2025/10
12
13
17
15
17
16
14
13
17
22
21
23
28
28
14
13
17
20
8
8
8
13
26
34
30
18
18
24
38
32
21
2025/09
14
14
12
12
14
19
20
22
15
9
11
8
11
13
14
10
12
13
18
22
19
23
14
9
7
10
17
18
21
21
2025/08
18
19
21
27
22
12
10
11
17
18
16
19
22
20
11
9
11
14
9
9
11
11
13
14
13
14
13
13
18
15
16
2025/07
10
9
10
12
14
18
20
22
23
17
13
21
18
13
10
14
18
25
24
24
14
7
7
10
11
12
17
20
18
20
16
2025/06
17
8
12
21
29
25
23
29
30
18
18
21
14
11
19
19
10
10
10
7
8
11
9
12
14
15
12
8
10
9
2025/05
31
44
35
16
20
22
18
28
19
17
23
27
28
39
35
23
34
31
34
15
17
18
19
46
29
14
13
11
12
18
13
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
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