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
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
市环境监测站
3114
PM2.5
22
PM10
99
O3
0.3
CO
4
SO2
5
NO2
凯里学院
3114
PM2.5
24
PM10
98
O3
0.3
CO
2
SO2
2
NO2
Air quality in the last 12 months (Qiandongnan Prefecture)
|
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
|
|
|
2024/08
|
8
|
8
|
6
|
7
|
14
|
17
|
20
|
20
|
19
|
23
|
19
|
37
|
43
|
33
|
31
|
28
|
30
|
26
|
24
|
24
|
19
|
15
|
12
|
10
|
12
|
16
|
17
|
25
|
25
|
28
|
23
|
|
2024/07
|
14
|
21
|
11
|
9
|
12
|
9
|
11
|
14
|
15
|
15
|
13
|
19
|
18
|
13
|
13
|
15
|
15
|
11
|
7
|
7
|
9
|
14
|
13
|
11
|
17
|
25
|
21
|
22
|
10
|
8
|
9
|
|
2024/06
|
25
|
24
|
11
|
8
|
10
|
14
|
16
|
10
|
8
|
7
|
12
|
20
|
21
|
18
|
24
|
24
|
12
|
7
|
19
|
27
|
21
|
16
|
8
|
15
|
11
|
8
|
9
|
18
|
13
|
13
|
|
|
2024/05
|
19
|
25
|
15
|
13
|
27
|
30
|
23
|
27
|
30
|
17
|
22
|
28
|
28
|
35
|
41
|
42
|
37
|
18
|
16
|
19
|
10
|
28
|
32
|
31
|
34
|
20
|
14
|
28
|
33
|
14
|
15
|
|
2024/04
|
47
|
61
|
40
|
18
|
16
|
15
|
18
|
22
|
29
|
42
|
43
|
35
|
50
|
57
|
64
|
56
|
27
|
23
|
23
|
27
|
40
|
52
|
32
|
33
|
30
|
29
|
28
|
33
|
49
|
16
|
|
|
2024/03
|
56
|
51
|
43
|
29
|
21
|
40
|
64
|
52
|
44
|
48
|
46
|
40
|
23
|
17
|
27
|
22
|
26
|
13
|
26
|
59
|
65
|
52
|
32
|
38
|
31
|
20
|
41
|
29
|
30
|
40
|
49
|
|
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