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
25 Apr
Fri
26 Apr
Sat
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
市环境监测站
2920
PM2.5
25
PM10
54
O3
0.5
CO
2
SO2
13
NO2
凯里学院
3017
PM2.5
30
PM10
62
O3
0.5
CO
3
SO2
7
NO2
Air quality in the last 12 months (Qiandongnan Prefecture)
|
2024/02
|
26
|
16
|
12
|
16
|
21
|
19
|
28
|
44
|
58
|
169
|
78
|
35
|
41
|
46
|
50
|
40
|
43
|
36
|
40
|
45
|
26
|
21
|
22
|
20
|
20
|
27
|
43
|
42
|
40
|
||
|
2024/01
|
69
|
31
|
34
|
41
|
58
|
58
|
35
|
30
|
47
|
51
|
64
|
71
|
56
|
35
|
54
|
52
|
31
|
29
|
16
|
13
|
25
|
24
|
40
|
41
|
45
|
44
|
48
|
43
|
48
|
48
|
30
|
|
2023/12
|
60
|
41
|
36
|
38
|
42
|
50
|
45
|
36
|
48
|
42
|
29
|
20
|
32
|
29
|
22
|
24
|
28
|
16
|
23
|
32
|
54
|
61
|
57
|
52
|
44
|
52
|
63
|
63
|
102
|
90
|
69
|
|
2023/11
|
34
|
33
|
54
|
59
|
29
|
25
|
22
|
20
|
27
|
18
|
12
|
12
|
26
|
29
|
21
|
21
|
45
|
50
|
49
|
46
|
36
|
62
|
84
|
75
|
64
|
58
|
52
|
43
|
48
|
53
|
|
|
2023/10
|
27
|
23
|
28
|
27
|
17
|
15
|
20
|
26
|
30
|
30
|
29
|
43
|
37
|
23
|
26
|
38
|
42
|
32
|
30
|
23
|
27
|
32
|
41
|
35
|
32
|
38
|
23
|
23
|
22
|
27
|
29
|
|
2023/09
|
34
|
34
|
33
|
23
|
26
|
33
|
29
|
25
|
25
|
22
|
22
|
19
|
24
|
29
|
32
|
26
|
21
|
16
|
16
|
18
|
16
|
16
|
23
|
30
|
33
|
31
|
28
|
33
|
29
|
28
|
|
|
2023/08
|
20
|
15
|
15
|
19
|
24
|
21
|
30
|
23
|
18
|
18
|
22
|
20
|
23
|
21
|
19
|
17
|
18
|
24
|
34
|
37
|
25
|
21
|
17
|
12
|
16
|
17
|
18
|
26
|
27
|
31
|
31
|
|
2023/07
|
21
|
22
|
22
|
21
|
18
|
19
|
20
|
20
|
20
|
23
|
25
|
25
|
24
|
25
|
31
|
43
|
39
|
30
|
15
|
19
|
14
|
21
|
20
|
22
|
23
|
29
|
27
|
23
|
26
|
25
|
20
|
|
2023/06
|
30
|
28
|
31
|
36
|
32
|
22
|
38
|
39
|
32
|
36
|
48
|
35
|
23
|
28
|
35
|
36
|
26
|
22
|
20
|
21
|
32
|
31
|
41
|
30
|
27
|
24
|
17
|
18
|
23
|
21
|
|
|
2023/05
|
54
|
49
|
32
|
33
|
32
|
22
|
20
|
36
|
33
|
18
|
26
|
24
|
31
|
51
|
49
|
38
|
33
|
38
|
46
|
30
|
42
|
31
|
29
|
37
|
27
|
30
|
29
|
25
|
24
|
27
|
33
|
|
2023/04
|
41
|
53
|
62
|
56
|
24
|
22
|
25
|
64
|
66
|
38
|
34
|
61
|
49
|
26
|
54
|
49
|
49
|
36
|
34
|
30
|
31
|
42
|
14
|
17
|
18
|
30
|
35
|
35
|
63
|
77
|
|
|
2023/03
|
91
|
74
|
57
|
61
|
41
|
65
|
80
|
58
|
44
|
45
|
59
|
61
|
59
|
54
|
76
|
31
|
22
|
21
|
15
|
17
|
22
|
23
|
19
|
17
|
31
|
30
|
44
|
47
|
42
|
32
|
29
|
|
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