Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
19
O3
0.2
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
18
Excellent
Thu
21 Aug
19
Excellent
Fri
22 Aug
19
Excellent
Sat
23 Aug
18
Excellent
Sun
24 Aug
23
Excellent
Mon
25 Aug
31
Excellent
Tue
26 Aug
18
Excellent
Real-time AQI (Monitoring Station in Qiannan Prefecture)
沙坝
93
PM2.5
9
PM10
19
O3
0.2
CO
4
SO2
3
NO2
Air quality in the last 12 months (Qiannan Prefecture)
|
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
|
|
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
|
|
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