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
29 Dec
Tue
30 Dec
Wed
31 Dec
Thu
1 Jan
Fri
2 Jan
Sat
3 Jan
Sun
4 Jan
Real-time AQI (Monitoring Station in Qiannan Prefecture)
小围寨
3927
PM2.5
39
PM10
16
O3
0.6
CO
10
SO2
13
NO2
沙坝
4531
PM2.5
39
PM10
25
O3
0.7
CO
4
SO2
10
NO2
Air quality in the last 12 months (Qiannan Prefecture)
|
2025/11
|
19
|
12
|
8
|
10
|
12
|
8
|
10
|
10
|
8
|
8
|
8
|
22
|
29
|
30
|
33
|
36
|
42
|
17
|
22
|
23
|
34
|
29
|
54
|
41
|
43
|
41
|
53
|
41
|
35
|
47
|
|
|
2025/10
|
10
|
11
|
18
|
13
|
15
|
17
|
11
|
11
|
13
|
17
|
17
|
20
|
24
|
25
|
8
|
9
|
12
|
20
|
9
|
9
|
9
|
11
|
26
|
38
|
27
|
17
|
20
|
27
|
41
|
27
|
18
|
|
2025/09
|
12
|
12
|
10
|
11
|
14
|
18
|
19
|
22
|
17
|
7
|
11
|
10
|
10
|
11
|
15
|
8
|
11
|
13
|
15
|
20
|
22
|
26
|
17
|
11
|
7
|
9
|
14
|
13
|
14
|
14
|
|
|
2025/08
|
18
|
18
|
19
|
22
|
22
|
10
|
8
|
9
|
17
|
17
|
13
|
11
|
17
|
18
|
12
|
8
|
10
|
14
|
8
|
9
|
12
|
11
|
12
|
13
|
11
|
13
|
13
|
12
|
18
|
11
|
14
|
|
2025/07
|
9
|
8
|
9
|
9
|
11
|
16
|
16
|
19
|
21
|
18
|
15
|
20
|
17
|
12
|
9
|
11
|
15
|
21
|
22
|
22
|
13
|
8
|
10
|
8
|
10
|
11
|
16
|
17
|
16
|
16
|
16
|
|
2025/06
|
18
|
11
|
15
|
23
|
26
|
24
|
25
|
32
|
36
|
19
|
17
|
22
|
13
|
10
|
18
|
18
|
10
|
12
|
12
|
7
|
9
|
15
|
8
|
11
|
14
|
11
|
12
|
7
|
9
|
8
|
|
|
2025/05
|
34
|
41
|
30
|
13
|
22
|
23
|
20
|
23
|
23
|
15
|
29
|
24
|
26
|
39
|
36
|
29
|
44
|
37
|
40
|
14
|
19
|
19
|
27
|
51
|
26
|
12
|
8
|
7
|
15
|
16
|
11
|
|
2025/04
|
27
|
43
|
56
|
57
|
54
|
52
|
71
|
52
|
61
|
45
|
49
|
83
|
170
|
81
|
60
|
66
|
60
|
58
|
26
|
22
|
34
|
17
|
46
|
17
|
30
|
33
|
15
|
25
|
33
|
10
|
|
|
2025/03
|
26
|
25
|
52
|
22
|
11
|
20
|
21
|
25
|
13
|
13
|
19
|
36
|
19
|
14
|
10
|
23
|
32
|
22
|
27
|
38
|
45
|
53
|
61
|
47
|
51
|
60
|
65
|
81
|
16
|
13
|
30
|
|
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
|
|
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