Air Quality
Excellent
No health implications.
9
PM2.5
9
PM10
51
O3
0.6
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Feb
38
Excellent
Wed
25 Feb
38
Excellent
Thu
26 Feb
37
Excellent
Fri
27 Feb
33
Excellent
Sat
28 Feb
39
Excellent
Sun
1 Mar
33
Excellent
Mon
2 Mar
41
Excellent
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
凯里学院
169
PM2.5
9
PM10
51
O3
0.6
CO
3
SO2
9
NO2
Air quality in the last 12 months (Qiandongnan Prefecture)
|
2026/01
|
22
|
42
|
20
|
25
|
32
|
41
|
51
|
53
|
66
|
67
|
77
|
72
|
70
|
104
|
113
|
109
|
109
|
65
|
50
|
17
|
33
|
49
|
59
|
57
|
41
|
24
|
34
|
60
|
60
|
14
|
35
|
|
2025/12
|
106
|
68
|
74
|
58
|
60
|
74
|
68
|
56
|
59
|
61
|
79
|
73
|
37
|
46
|
58
|
58
|
77
|
46
|
39
|
48
|
57
|
55
|
29
|
39
|
52
|
54
|
64
|
68
|
71
|
69
|
59
|
|
2025/11
|
21
|
20
|
11
|
17
|
27
|
26
|
20
|
8
|
8
|
10
|
19
|
31
|
31
|
33
|
39
|
41
|
40
|
18
|
21
|
25
|
32
|
32
|
53
|
52
|
41
|
43
|
52
|
45
|
38
|
48
|
|
|
2025/10
|
13
|
14
|
18
|
12
|
17
|
21
|
19
|
18
|
20
|
26
|
22
|
23
|
34
|
38
|
22
|
16
|
21
|
17
|
10
|
10
|
12
|
23
|
36
|
40
|
36
|
25
|
23
|
30
|
44
|
35
|
30
|
|
2025/09
|
19
|
18
|
18
|
20
|
19
|
30
|
27
|
24
|
18
|
14
|
15
|
15
|
16
|
18
|
17
|
16
|
17
|
20
|
22
|
25
|
26
|
27
|
18
|
12
|
9
|
12
|
22
|
24
|
29
|
32
|
|
|
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
|
|||
|
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