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
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Fri
16 Jan
Sat
17 Jan
Sun
18 Jan
Liangshan Prefecture Air quality rank
Real-time AQI (Monitoring Station in Liangshan Prefecture)
西昌市政府
4023
PM2.5
40
PM10
58
O3
0.7
CO
13
SO2
12
NO2
凉山州政府
5432
PM2.5
58 *
PM10
42
O3
0.9
CO
10
SO2
23
NO2
凯乐南路30号
3316
PM2.5
33
PM10
63
O3
0.7
CO
12
SO2
13
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