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
27 Feb
Sat
28 Feb
Sun
1 Mar
Mon
2 Mar
Tue
3 Mar
Wed
4 Mar
Thu
5 Mar
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
市环境监测站
117
PM2.5
11
PM10
30
O3
0.6
CO
6
SO2
10
NO2
凯里学院
149
PM2.5
14
PM10
35
O3
0.4
CO
3
SO2
12
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