Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Feb
Wed
11 Feb
Thu
12 Feb
Fri
13 Feb
Sat
14 Feb
Sun
15 Feb
Mon
16 Feb
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
市环境监测站
2618
PM2.5
23
PM10
45
O3
0.7
CO
4
SO2
10
NO2
凯里学院
2718
PM2.5
27
PM10
46
O3
0.6
CO
3
SO2
14
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
*: primary pollution