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
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Real-time AQI (Monitoring Station in Liangshan Prefecture)
西昌市政府
2517
PM2.5
22
PM10
74
O3
0.5
CO
4
SO2
5
NO2
凉山州政府
3524
PM2.5
30
PM10
55
O3
0.6
CO
4
SO2
12
NO2
凯乐南路30号
2819
PM2.5
28
PM10
60
O3
0.5
CO
4
SO2
14
NO2
Air quality in the last 12 months (Liangshan Prefecture)
|
2026/04
|
24
|
29
|
28
|
26
|
35
|
34
|
26
|
31
|
32
|
34
|
34
|
34
|
35
|
33
|
36
|
32
|
28
|
30
|
36
|
36
|
32
|
26
|
25
|
28
|
30
|
41
|
31
|
23
|
23
|
28
|
|
|
2026/03
|
42
|
29
|
18
|
24
|
34
|
49
|
66
|
29
|
18
|
21
|
25
|
45
|
42
|
32
|
17
|
27
|
31
|
29
|
32
|
29
|
29
|
31
|
28
|
27
|
28
|
31
|
30
|
29
|
34
|
27
|
22
|
|
2026/02
|
39
|
31
|
35
|
31
|
27
|
33
|
38
|
25
|
34
|
32
|
36
|
38
|
37
|
30
|
30
|
43
|
69
|
48
|
32
|
40
|
41
|
43
|
37
|
45
|
40
|
56
|
50
|
39
|
|||
|
2026/01
|
51
|
37
|
32
|
35
|
36
|
28
|
36
|
34
|
103
|
68
|
49
|
45
|
52
|
50
|
45
|
49
|
60
|
74
|
67
|
92
|
84
|
46
|
55
|
52
|
50
|
59
|
81
|
91
|
40
|
39
|
32
|
|
2025/12
|
62
|
57
|
35
|
42
|
31
|
43
|
37
|
44
|
46
|
45
|
54
|
47
|
39
|
47
|
50
|
53
|
40
|
58
|
62
|
57
|
48
|
49
|
47
|
52
|
32
|
66
|
84
|
83
|
97
|
60
|
58
|
|
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
|
|
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