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
21 Jan
Thu
22 Jan
Fri
23 Jan
Sat
24 Jan
Sun
25 Jan
Mon
26 Jan
Tue
27 Jan
Real-time AQI (Monitoring Station in Liangshan Prefecture)
西昌市政府
4922
PM2.5
49
PM10
93
O3
0.5
CO
8
SO2
10
NO2
凯乐南路30号
3118
PM2.5
31
PM10
87
O3
0.5
CO
7
SO2
12
NO2
Air quality in the last 12 months (Liangshan Prefecture)
|
2025/11
|
13
|
14
|
19
|
43
|
27
|
22
|
20
|
21
|
19
|
20
|
21
|
23
|
22
|
44
|
32
|
31
|
31
|
30
|
21
|
46
|
35
|
53
|
38
|
47
|
41
|
42
|
33
|
46
|
53
|
64
|
|
|
2025/10
|
15
|
15
|
20
|
23
|
19
|
20
|
20
|
15
|
16
|
20
|
21
|
23
|
21
|
27
|
28
|
29
|
18
|
17
|
21
|
13
|
11
|
18
|
23
|
25
|
23
|
18
|
19
|
29
|
31
|
18
|
26
|
|
2025/09
|
24
|
23
|
24
|
21
|
21
|
17
|
20
|
20
|
20
|
27
|
25
|
17
|
19
|
31
|
31
|
23
|
19
|
19
|
15
|
13
|
19
|
17
|
15
|
16
|
27
|
27
|
28
|
20
|
21
|
24
|
|
|
2025/08
|
28
|
30
|
28
|
34
|
25
|
27
|
26
|
27
|
21
|
21
|
15
|
22
|
32
|
33
|
27
|
30
|
22
|
21
|
20
|
22
|
21
|
16
|
19
|
12
|
14
|
21
|
21
|
22
|
22
|
27
|
14
|
|
2025/07
|
21
|
18
|
14
|
14
|
16
|
17
|
19
|
22
|
16
|
19
|
19
|
17
|
23
|
24
|
27
|
33
|
33
|
33
|
24
|
21
|
14
|
15
|
16
|
16
|
16
|
16
|
23
|
22
|
26
|
29
|
17
|
|
2025/06
|
16
|
11
|
11
|
24
|
32
|
34
|
31
|
15
|
22
|
24
|
28
|
35
|
34
|
33
|
21
|
19
|
20
|
17
|
12
|
14
|
12
|
17
|
21
|
17
|
16
|
20
|
16
|
23
|
21
|
16
|
|
|
2025/05
|
30
|
35
|
33
|
25
|
21
|
16
|
22
|
24
|
24
|
19
|
32
|
36
|
32
|
23
|
26
|
18
|
17
|
21
|
28
|
23
|
27
|
33
|
33
|
21
|
26
|
26
|
17
|
10
|
17
|
15
|
15
|
|
2025/04
|
26
|
36
|
51
|
51
|
16
|
26
|
30
|
43
|
45
|
37
|
39
|
30
|
35
|
35
|
39
|
34
|
21
|
25
|
24
|
25
|
21
|
24
|
19
|
14
|
27
|
43
|
33
|
22
|
30
|
19
|
|
|
2025/03
|
39
|
36
|
25
|
34
|
28
|
12
|
29
|
36
|
48
|
45
|
41
|
44
|
56
|
50
|
20
|
12
|
12
|
13
|
32
|
41
|
51
|
61
|
35
|
29
|
24
|
30
|
33
|
61
|
52
|
46
|
34
|
|
2025/02
|
31
|
20
|
11
|
31
|
47
|
21
|
16
|
21
|
30
|
28
|
30
|
28
|
29
|
37
|
28
|
35
|
30
|
34
|
38
|
32
|
34
|
30
|
28
|
30
|
29
|
24
|
28
|
32
|
|||
|
2025/01
|
57
|
46
|
47
|
50
|
40
|
58
|
37
|
24
|
25
|
22
|
15
|
32
|
42
|
35
|
31
|
51
|
46
|
46
|
40
|
46
|
48
|
51
|
50
|
41
|
23
|
31
|
49
|
46
|
39
|
34
|
30
|
|
2024/12
|
37
|
38
|
37
|
40
|
34
|
36
|
35
|
36
|
27
|
29
|
31
|
47
|
27
|
24
|
31
|
52
|
58
|
38
|
49
|
49
|
37
|
39
|
39
|
41
|
41
|
43
|
55
|
47
|
60
|
42
|
44
|
|
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