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
22 Apr
Thu
23 Apr
Fri
24 Apr
Sat
25 Apr
Sun
26 Apr
Mon
27 Apr
Tue
28 Apr
Real-time AQI (Monitoring Station in Liangshan Prefecture)
西昌市政府
299
PM2.5
17
PM10
90
O3
0.4
CO
3
SO2
6
NO2
凉山州政府
269
PM2.5
18
PM10
81
O3
0.4
CO
3
SO2
7
NO2
凯乐南路30号
249
PM2.5
22
PM10
75
O3
0.5
CO
3
SO2
14
NO2
Air quality in the last 12 months (Liangshan Prefecture)
|
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
|
|
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
|
|
|
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