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
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Real-time AQI (Monitoring Station in Qiannan Prefecture)
小围寨
1812
PM2.5
17
PM10
52
O3
0.2
CO
3
SO2
8
NO2
沙坝
249
PM2.5
24
PM10
52
O3
0.5
CO
4
SO2
9
NO2
Air quality in the last 12 months (Qiannan Prefecture)
|
2025/02
|
9
|
10
|
27
|
35
|
37
|
14
|
19
|
55
|
56
|
41
|
22
|
21
|
46
|
14
|
18
|
27
|
19
|
18
|
9
|
9
|
14
|
10
|
13
|
21
|
15
|
31
|
19
|
19
|
|||
|
2025/01
|
73
|
86
|
64
|
81
|
75
|
69
|
77
|
38
|
21
|
38
|
48
|
36
|
37
|
65
|
65
|
67
|
55
|
55
|
66
|
59
|
69
|
77
|
89
|
66
|
18
|
12
|
36
|
45
|
95
|
40
|
30
|
|
2024/12
|
43
|
58
|
60
|
47
|
11
|
10
|
11
|
38
|
15
|
7
|
11
|
41
|
48
|
42
|
44
|
47
|
57
|
45
|
67
|
87
|
81
|
90
|
93
|
83
|
80
|
70
|
58
|
59
|
63
|
61
|
39
|
|
2024/11
|
38
|
42
|
44
|
52
|
55
|
52
|
44
|
40
|
44
|
35
|
33
|
31
|
38
|
42
|
42
|
50
|
34
|
8
|
8
|
9
|
10
|
17
|
21
|
22
|
13
|
15
|
26
|
23
|
23
|
33
|
|
|
2024/10
|
8
|
14
|
35
|
33
|
35
|
50
|
41
|
25
|
27
|
31
|
46
|
50
|
39
|
11
|
19
|
20
|
12
|
17
|
14
|
9
|
19
|
12
|
18
|
16
|
16
|
24
|
23
|
30
|
27
|
30
|
36
|
|
2024/09
|
13
|
9
|
7
|
12
|
25
|
31
|
19
|
13
|
11
|
15
|
17
|
25
|
25
|
25
|
18
|
19
|
19
|
21
|
20
|
23
|
20
|
15
|
24
|
28
|
30
|
34
|
36
|
37
|
16
|
13
|
|
|
2024/08
|
6
|
7
|
7
|
9
|
11
|
12
|
14
|
14
|
15
|
16
|
13
|
38
|
37
|
27
|
27
|
25
|
21
|
21
|
18
|
15
|
14
|
9
|
7
|
8
|
8
|
11
|
12
|
17
|
30
|
22
|
15
|
|
2024/07
|
10
|
13
|
7
|
7
|
7
|
7
|
8
|
9
|
12
|
11
|
8
|
9
|
11
|
8
|
8
|
8
|
8
|
7
|
6
|
6
|
7
|
11
|
7
|
9
|
12
|
21
|
16
|
11
|
7
|
7
|
7
|
|
2024/06
|
19
|
17
|
6
|
7
|
8
|
9
|
7
|
9
|
6
|
7
|
7
|
14
|
12
|
16
|
22
|
11
|
6
|
6
|
11
|
15
|
16
|
11
|
8
|
15
|
10
|
6
|
6
|
7
|
7
|
8
|
|
|
2024/05
|
12
|
9
|
6
|
14
|
16
|
29
|
17
|
17
|
17
|
8
|
15
|
20
|
26
|
30
|
35
|
27
|
29
|
11
|
13
|
17
|
6
|
23
|
21
|
19
|
26
|
15
|
14
|
24
|
16
|
8
|
15
|
|
2024/04
|
36
|
46
|
38
|
11
|
12
|
11
|
11
|
17
|
25
|
28
|
25
|
27
|
47
|
52
|
61
|
57
|
29
|
19
|
18
|
15
|
36
|
42
|
22
|
25
|
24
|
21
|
20
|
31
|
52
|
12
|
|
|
2024/03
|
48
|
44
|
39
|
18
|
26
|
26
|
53
|
43
|
42
|
49
|
41
|
36
|
27
|
17
|
15
|
20
|
33
|
13
|
30
|
57
|
55
|
48
|
24
|
36
|
28
|
18
|
43
|
24
|
27
|
38
|
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