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
24 Apr
Thu
25 Apr
Fri
26 Apr
Sat
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Real-time AQI (Monitoring Station in Qiannan Prefecture)
小围寨
2517
PM2.5
24
PM10
51
O3
0.5
CO
4
SO2
10
NO2
沙坝
3117
PM2.5
31
PM10
51
O3
0.5
CO
4
SO2
9
NO2
Air quality in the last 12 months (Qiannan Prefecture)
|
2024/02
|
25
|
15
|
12
|
22
|
18
|
18
|
27
|
39
|
57
|
144
|
34
|
31
|
37
|
40
|
52
|
32
|
38
|
32
|
38
|
44
|
37
|
18
|
20
|
18
|
16
|
25
|
37
|
30
|
35
|
||
|
2024/01
|
25
|
24
|
26
|
27
|
38
|
54
|
27
|
20
|
34
|
38
|
33
|
52
|
18
|
18
|
25
|
25
|
22
|
20
|
14
|
13
|
15
|
23
|
34
|
35
|
42
|
38
|
42
|
34
|
35
|
12
|
14
|
|
2023/12
|
63
|
35
|
26
|
20
|
28
|
38
|
36
|
28
|
37
|
32
|
32
|
21
|
15
|
23
|
19
|
28
|
20
|
16
|
23
|
32
|
47
|
55
|
58
|
52
|
51
|
39
|
55
|
64
|
79
|
54
|
62
|
|
2023/11
|
29
|
29
|
48
|
53
|
25
|
24
|
21
|
18
|
20
|
14
|
12
|
11
|
22
|
24
|
15
|
22
|
35
|
39
|
40
|
37
|
33
|
50
|
73
|
65
|
56
|
45
|
35
|
35
|
43
|
51
|
|
|
2023/10
|
23
|
23
|
23
|
24
|
15
|
12
|
16
|
21
|
24
|
27
|
31
|
31
|
22
|
14
|
21
|
26
|
31
|
31
|
28
|
22
|
29
|
29
|
33
|
24
|
28
|
29
|
18
|
25
|
24
|
28
|
27
|
|
2023/09
|
31
|
31
|
31
|
22
|
26
|
28
|
25
|
22
|
19
|
18
|
19
|
18
|
25
|
30
|
29
|
24
|
17
|
17
|
16
|
17
|
16
|
14
|
26
|
30
|
26
|
23
|
21
|
24
|
28
|
23
|
|
|
2023/08
|
18
|
14
|
15
|
16
|
22
|
16
|
14
|
13
|
18
|
18
|
21
|
19
|
18
|
18
|
18
|
17
|
17
|
21
|
30
|
28
|
21
|
15
|
17
|
10
|
11
|
14
|
15
|
21
|
25
|
30
|
30
|
|
2023/07
|
20
|
21
|
21
|
18
|
17
|
18
|
19
|
19
|
18
|
20
|
24
|
25
|
23
|
23
|
38
|
43
|
37
|
31
|
15
|
20
|
14
|
15
|
16
|
23
|
24
|
25
|
27
|
22
|
21
|
18
|
19
|
|
2023/06
|
31
|
26
|
37
|
30
|
16
|
22
|
27
|
30
|
33
|
36
|
35
|
35
|
33
|
28
|
28
|
28
|
22
|
23
|
19
|
17
|
15
|
17
|
18
|
20
|
24
|
22
|
15
|
16
|
18
|
20
|
|
|
2023/05
|
49
|
45
|
30
|
31
|
35
|
27
|
18
|
24
|
13
|
14
|
22
|
22
|
35
|
49
|
44
|
30
|
41
|
49
|
50
|
30
|
49
|
23
|
28
|
23
|
25
|
27
|
27
|
23
|
23
|
27
|
32
|
|
2023/04
|
35
|
44
|
59
|
51
|
23
|
19
|
24
|
60
|
61
|
23
|
24
|
49
|
55
|
26
|
51
|
41
|
44
|
44
|
33
|
25
|
40
|
78
|
13
|
15
|
19
|
27
|
33
|
29
|
69
|
67
|
|
|
2023/03
|
68
|
65
|
49
|
32
|
39
|
50
|
56
|
42
|
36
|
39
|
66
|
66
|
48
|
49
|
59
|
26
|
26
|
14
|
15
|
17
|
24
|
30
|
20
|
19
|
21
|
28
|
36
|
32
|
36
|
29
|
31
|
|
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