Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
39
O3
0.6
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
29
Excellent
Mon
20 Oct
29
Excellent
Tue
21 Oct
30
Excellent
Wed
22 Oct
31
Excellent
Thu
23 Oct
26
Excellent
Fri
24 Oct
28
Excellent
Sat
25 Oct
45
Excellent
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
凯里学院
123
PM2.5
6
PM10
38
O3
0.7
CO
2
SO2
8
NO2
Air quality in the last 12 months (Qiandongnan Prefecture)
|
2025/08
|
21
|
24
|
23
|
29
|
27
|
16
|
13
|
11
|
18
|
20
|
18
|
28
|
36
|
22
|
14
|
11
|
13
|
16
|
14
|
13
|
14
|
13
|
12
|
16
|
15
|
16
|
15
|
16
|
21
|
21
|
21
|
|
2025/07
|
11
|
8
|
10
|
12
|
16
|
20
|
21
|
24
|
21
|
17
|
15
|
22
|
20
|
17
|
13
|
16
|
20
|
30
|
29
|
24
|
15
|
10
|
9
|
10
|
12
|
12
|
18
|
20
|
21
|
22
|
22
|
|
2025/06
|
16
|
10
|
17
|
22
|
30
|
28
|
26
|
41
|
33
|
21
|
21
|
28
|
24
|
14
|
21
|
27
|
16
|
12
|
12
|
6
|
10
|
10
|
7
|
11
|
15
|
19
|
13
|
7
|
10
|
9
|
|
|
2025/05
|
37
|
49
|
43
|
24
|
23
|
26
|
26
|
28
|
22
|
20
|
27
|
31
|
27
|
40
|
45
|
30
|
35
|
37
|
46
|
26
|
19
|
20
|
23
|
49
|
38
|
21
|
13
|
10
|
15
|
22
|
14
|
|
2025/04
|
32
|
43
|
55
|
62
|
62
|
59
|
82
|
75
|
71
|
55
|
57
|
69
|
155
|
85
|
65
|
71
|
59
|
59
|
26
|
29
|
37
|
24
|
49
|
31
|
29
|
30
|
20
|
27
|
40
|
25
|
|
|
2025/03
|
41
|
37
|
46
|
20
|
15
|
22
|
29
|
36
|
29
|
30
|
31
|
39
|
41
|
20
|
13
|
30
|
34
|
23
|
28
|
37
|
45
|
53
|
62
|
58
|
63
|
71
|
75
|
78
|
26
|
16
|
26
|
|
2025/02
|
19
|
11
|
31
|
48
|
50
|
34
|
28
|
60
|
57
|
45
|
37
|
34
|
57
|
23
|
28
|
49
|
39
|
24
|
21
|
16
|
29
|
18
|
19
|
54
|
25
|
34
|
28
|
25
|
|||
|
2025/01
|
78
|
79
|
78
|
91
|
101
|
70
|
64
|
50
|
30
|
46
|
50
|
51
|
46
|
63
|
68
|
73
|
64
|
61
|
70
|
69
|
86
|
98
|
118
|
118
|
30
|
18
|
39
|
48
|
88
|
51
|
38
|
|
2024/12
|
49
|
68
|
65
|
90
|
24
|
20
|
21
|
45
|
33
|
13
|
16
|
48
|
63
|
49
|
44
|
47
|
56
|
61
|
72
|
86
|
91
|
82
|
91
|
72
|
77
|
84
|
70
|
75
|
72
|
80
|
58
|
|
2024/11
|
39
|
41
|
50
|
48
|
53
|
63
|
48
|
40
|
46
|
47
|
42
|
45
|
54
|
60
|
68
|
69
|
38
|
11
|
10
|
11
|
15
|
22
|
39
|
25
|
12
|
16
|
27
|
29
|
30
|
35
|
|
|
2024/10
|
9
|
16
|
40
|
36
|
36
|
47
|
47
|
33
|
32
|
35
|
51
|
63
|
68
|
27
|
24
|
29
|
21
|
21
|
13
|
17
|
23
|
15
|
17
|
19
|
21
|
30
|
31
|
33
|
36
|
37
|
44
|
|
2024/09
|
22
|
20
|
15
|
18
|
28
|
35
|
29
|
20
|
14
|
15
|
24
|
28
|
38
|
26
|
23
|
26
|
32
|
31
|
29
|
27
|
25
|
17
|
25
|
31
|
33
|
39
|
46
|
41
|
33
|
21
|
|
|
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