Guizhou - China   2025-09-18   Thursday   26.68N, 106.63E

Baiyun

Guizhou - China
2025-09-18

Air Quality

Excellent

No health implications.

6

PM2.5

23

PM10

43

O3

0.3

CO

5

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

18 Sep

36 Excellent

Fri

19 Sep

35 Excellent

Sat

20 Sep

32 Excellent

Sun

21 Sep

31 Excellent

Mon

22 Sep

27 Excellent

Tue

23 Sep

22 Excellent

Wed

24 Sep

31 Excellent

Monthly Average AQI (Baiyun)

2020/09 - 2025/08

Air quality in the last 12 months (Baiyun)

2025/08
26
32
31
29
30
25
19
20
24
28
23
27
31
35
20
17
19
23
16
19
18
15
21
22
23
23
19
27
26
28
32
2025/07
13
13
16
17
17
25
28
27
20
23
22
25
25
24
23
23
19
22
21
22
11
11
9
16
19
21
26
29
32
28
23
2025/06
23
14
27
27
31
34
39
46
37
29
34
29
32
21
29
32
24
21
13
25
31
14
26
18
16
12
19
17
18
13
2025/05
45
54
42
24
38
30
24
25
33
24
43
35
32
35
42
42
38
47
59
29
26
30
38
53
35
24
13
12
20
23
18
2025/04
32
45
58
65
55
58
58
53
63
56
56
136
221
100
81
62
61
55
24
33
39
24
43
19
45
29
17
27
36
16
2025/03
42
53
61
32
18
24
39
38
19
29
37
54
27
23
22
28
35
20
34
44
52
65
54
62
55
57
67
69
16
25
38
2025/02
19
16
27
34
37
18
22
49
59
39
29
44
39
20
30
52
30
29
16
15
15
11
16
20
22
43
29
36
2025/01
60
76
69
66
65
63
57
39
28
29
42
49
42
61
58
76
63
56
49
75
73
76
58
45
14
20
39
42
55
47
35
2024/12
60
85
44
34
16
18
23
38
14
12
20
36
43
63
55
57
57
49
63
86
113
65
70
58
55
33
52
74
58
30
42
2024/11
38
22
48
49
43
49
50
41
46
34
30
26
33
41
44
44
39
11
11
13
15
26
29
29
8
20
26
27
34
42
2024/10
6
12
31
37
43
49
24
23
30
48
50
43
24
18
29
24
12
20
15
13
20
13
27
23
19
32
43
35
27
35
41
2024/09
19
15
13
16
21
29
18
10
12
20
18
23
23
26
18
24
14
17
21
25
23
17
31
30
41
42
37
36
19
11
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