Air Quality
Excellent
No health implications.
15
PM2.5
25
PM10
85
O3
0.5
CO
8
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
72
Good
Mon
19 May
77
Good
Tue
20 May
76
Good
Wed
21 May
73
Good
Thu
22 May
72
Good
Fri
23 May
74
Good
Sat
24 May
31
Excellent
Air quality in the last 12 months (Xichang)
|
2025/02
|
33
|
19
|
11
|
35
|
51
|
21
|
15
|
21
|
32
|
27
|
25
|
26
|
25
|
34
|
27
|
36
|
29
|
33
|
37
|
33
|
33
|
29
|
26
|
30
|
30
|
22
|
27
|
32
|
|||
|
2025/01
|
58
|
47
|
48
|
53
|
41
|
63
|
38
|
24
|
26
|
24
|
15
|
34
|
45
|
35
|
33
|
56
|
52
|
50
|
39
|
46
|
50
|
55
|
55
|
43
|
23
|
31
|
50
|
47
|
43
|
39
|
33
|
|
2024/12
|
37
|
38
|
37
|
38
|
34
|
38
|
36
|
35
|
27
|
28
|
30
|
48
|
26
|
25
|
32
|
55
|
64
|
40
|
52
|
57
|
39
|
41
|
40
|
42
|
42
|
42
|
57
|
49
|
62
|
39
|
41
|
|
2024/11
|
16
|
17
|
30
|
17
|
20
|
37
|
21
|
23
|
23
|
24
|
30
|
27
|
26
|
30
|
33
|
37
|
33
|
28
|
29
|
35
|
39
|
26
|
23
|
25
|
30
|
27
|
21
|
25
|
35
|
43
|
|
|
2024/10
|
6
|
16
|
21
|
31
|
23
|
15
|
9
|
18
|
17
|
12
|
21
|
30
|
18
|
29
|
22
|
24
|
18
|
27
|
32
|
29
|
24
|
22
|
31
|
30
|
39
|
19
|
9
|
24
|
40
|
34
|
36
|
|
2024/09
|
17
|
17
|
19
|
17
|
15
|
19
|
23
|
19
|
19
|
14
|
16
|
21
|
27
|
30
|
34
|
17
|
17
|
17
|
27
|
24
|
24
|
24
|
24
|
24
|
12
|
28
|
26
|
27
|
26
|
14
|
|
|
2024/08
|
23
|
31
|
36
|
30
|
24
|
19
|
17
|
18
|
21
|
18
|
50
|
25
|
28
|
32
|
36
|
26
|
21
|
22
|
31
|
26
|
35
|
36
|
38
|
41
|
45
|
38
|
38
|
39
|
35
|
38
|
23
|
|
2024/07
|
18
|
19
|
20
|
11
|
12
|
18
|
18
|
20
|
21
|
26
|
13
|
17
|
22
|
18
|
18
|
14
|
17
|
22
|
21
|
21
|
14
|
16
|
16
|
20
|
21
|
24
|
26
|
18
|
17
|
11
|
15
|
|
2024/06
|
31
|
32
|
15
|
14
|
20
|
24
|
14
|
13
|
10
|
19
|
18
|
24
|
31
|
19
|
24
|
33
|
15
|
18
|
14
|
19
|
31
|
15
|
20
|
12
|
22
|
36
|
20
|
17
|
14
|
18
|
|
|
2024/05
|
19
|
30
|
31
|
14
|
30
|
44
|
40
|
29
|
25
|
25
|
14
|
12
|
24
|
31
|
15
|
28
|
24
|
15
|
22
|
22
|
24
|
26
|
23
|
28
|
28
|
15
|
18
|
28
|
19
|
8
|
20
|
|
2024/04
|
19
|
25
|
35
|
35
|
30
|
37
|
35
|
27
|
33
|
32
|
27
|
35
|
35
|
42
|
47
|
49
|
52
|
36
|
34
|
24
|
16
|
35
|
12
|
29
|
27
|
27
|
26
|
39
|
25
|
23
|
|
|
2024/03
|
26
|
31
|
31
|
30
|
23
|
22
|
26
|
22
|
35
|
32
|
21
|
49
|
44
|
32
|
33
|
44
|
47
|
33
|
50
|
62
|
53
|
25
|
17
|
25
|
30
|
33
|
29
|
17
|
25
|
36
|
29
|
|
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