Air Quality
Excellent
No health implications.
19
PM2.5
22
PM10
132
O3
0.3
CO
3
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
73
Good
Wed
14 May
49
Excellent
Thu
15 May
49
Excellent
Fri
16 May
58
Good
Sat
17 May
50
Excellent
Sun
18 May
48
Excellent
Mon
19 May
36
Excellent
Real-time AQI (Monitoring Station in Qiandongnan Prefecture)
凯里学院
4219
PM2.5
22
PM10
132
O3
0.3
CO
3
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
Air quality source: CNEMC
*: primary pollution