Guizhou - China   2026-05-18   Monday   27.94N, 108.26E

Sinan

Guizhou - China
2026-05-18

Air Quality

Excellent

No health implications.

4

PM2.5

26

PM10

21

O3

0.4

CO

6

SO2

9

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 May

36 Excellent

Tue

19 May

42 Excellent

Wed

20 May

46 Excellent

Thu

21 May

38 Excellent

Fri

22 May

37 Excellent

Sat

23 May

39 Excellent

Sun

24 May

40 Excellent

Monthly Average AQI (Sinan)

2021/05 - 2026/04

Air quality in the last 12 months (Sinan)

2026/04
22
23
23
32
34
23
21
24
39
42
25
21
21
21
17
20
25
30
32
24
18
14
20
28
37
40
27
23
29
30
2026/03
12
14
23
28
28
39
36
15
16
28
32
38
53
52
25
21
16
16
27
30
29
25
22
19
19
17
22
24
22
21
28
2026/02
44
52
65
68
63
53
76
59
42
41
49
51
65
61
55
37
53
54
46
55
58
54
30
24
37
21
12
11
2026/01
23
44
44
39
46
49
61
56
72
102
87
84
87
131
124
123
130
105
62
23
50
58
61
79
49
25
48
60
44
15
34
2025/12
76
83
62
56
59
60
59
54
60
65
63
108
38
38
47
59
63
59
60
64
49
40
29
44
46
47
59
63
75
79
49
2025/11
22
21
18
17
18
15
15
12
10
15
21
26
27
31
36
42
39
18
22
28
31
38
37
37
38
41
44
48
48
56
2025/10
16
17
19
19
19
21
17
18
19
18
19
30
25
17
17
12
15
14
10
12
12
17
25
28
39
33
22
25
34
28
25
2025/09
23
20
19
16
22
26
26
25
18
12
14
18
15
15
18
17
19
21
20
18
20
20
16
15
15
13
17
20
25
23
2025/08
19
20
20
21
21
20
18
13
15
16
16
19
24
16
13
12
15
16
16
15
13
14
17
18
17
17
16
17
26
28
25
2025/07
15
14
16
15
16
19
18
22
24
19
19
26
20
18
15
15
17
22
22
22
16
15
13
12
14
16
17
18
18
18
17
2025/06
17
15
21
19
23
25
29
27
24
21
23
23
23
17
22
21
16
16
15
12
15
13
13
17
14
15
14
14
16
20
2025/05
35
44
37
34
29
28
29
22
26
23
28
28
30
48
41
26
34
32
39
35
25
20
25
37
36
25
17
14
19
21
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