Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
66
O3
0.7
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
33
Excellent
Thu
21 May
31
Excellent
Fri
22 May
40
Excellent
Sat
23 May
43
Excellent
Sun
24 May
41
Excellent
Mon
25 May
44
Excellent
Tue
26 May
18
Excellent
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
凯里学院
216
PM2.5
14
PM10
66
O3
0.7
CO
2
SO2
8
NO2
Air quality in the last 12 months (Qiandongnan Prefecture)
|
2026/04
|
34
|
44
|
28
|
35
|
47
|
39
|
27
|
57
|
63
|
55
|
32
|
28
|
26
|
23
|
23
|
20
|
23
|
28
|
37
|
37
|
13
|
17
|
22
|
28
|
32
|
41
|
45
|
22
|
30
|
31
|
|
|
2026/03
|
13
|
14
|
25
|
26
|
28
|
45
|
46
|
13
|
17
|
32
|
29
|
32
|
43
|
48
|
30
|
19
|
19
|
16
|
28
|
21
|
33
|
20
|
26
|
17
|
19
|
18
|
22
|
23
|
28
|
36
|
27
|
|
2026/02
|
49
|
49
|
60
|
68
|
41
|
29
|
36
|
45
|
37
|
24
|
38
|
47
|
53
|
41
|
32
|
33
|
40
|
39
|
45
|
54
|
45
|
53
|
39
|
19
|
44
|
30
|
12
|
14
|
|||
|
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
|
|
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