Air Quality
Excellent
No health implications.
2
PM2.5
17
PM10
37
O3
0.5
CO
6
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
28
Excellent
Fri
30 Jan
33
Excellent
Sat
31 Jan
33
Excellent
Sun
1 Feb
31
Excellent
Mon
2 Feb
29
Excellent
Tue
3 Feb
36
Excellent
Wed
4 Feb
18
Excellent
Air quality in the last 12 months (Litang)
|
2025/12
|
25
|
27
|
25
|
24
|
24
|
27
|
27
|
24
|
23
|
28
|
25
|
35
|
28
|
26
|
24
|
26
|
26
|
23
|
25
|
25
|
30
|
36
|
26
|
26
|
24
|
27
|
24
|
29
|
27
|
27
|
30
|
|
2025/11
|
11
|
10
|
12
|
15
|
19
|
13
|
24
|
21
|
15
|
15
|
16
|
15
|
14
|
19
|
24
|
22
|
24
|
21
|
20
|
20
|
19
|
21
|
21
|
23
|
23
|
21
|
25
|
25
|
24
|
25
|
|
|
2025/10
|
13
|
15
|
15
|
12
|
12
|
14
|
15
|
12
|
13
|
11
|
14
|
14
|
14
|
15
|
16
|
16
|
18
|
15
|
13
|
13
|
17
|
15
|
15
|
14
|
13
|
9
|
15
|
18
|
15
|
14
|
15
|
|
2025/09
|
13
|
14
|
11
|
11
|
11
|
10
|
10
|
10
|
17
|
10
|
12
|
14
|
23
|
21
|
20
|
12
|
12
|
13
|
13
|
12
|
11
|
13
|
13
|
19
|
22
|
20
|
19
|
13
|
12
|
12
|
|
|
2025/08
|
18
|
21
|
20
|
20
|
19
|
21
|
19
|
16
|
13
|
13
|
16
|
19
|
20
|
18
|
14
|
16
|
16
|
14
|
12
|
12
|
13
|
13
|
14
|
12
|
11
|
11
|
15
|
13
|
13
|
12
|
11
|
|
2025/07
|
20
|
13
|
14
|
13
|
11
|
13
|
13
|
18
|
17
|
21
|
20
|
14
|
16
|
15
|
17
|
21
|
24
|
25
|
14
|
15
|
14
|
15
|
14
|
15
|
18
|
13
|
17
|
16
|
18
|
14
|
14
|
|
2025/06
|
11
|
12
|
16
|
17
|
17
|
15
|
15
|
15
|
16
|
19
|
17
|
19
|
23
|
19
|
21
|
21
|
19
|
16
|
9
|
11
|
14
|
17
|
19
|
12
|
14
|
15
|
16
|
19
|
20
|
24
|
|
|
2025/05
|
21
|
17
|
12
|
15
|
16
|
10
|
12
|
29
|
28
|
29
|
29
|
24
|
22
|
24
|
10
|
11
|
11
|
13
|
14
|
12
|
16
|
24
|
18
|
13
|
18
|
17
|
10
|
12
|
12
|
12
|
10
|
|
2025/04
|
29
|
26
|
26
|
23
|
18
|
22
|
27
|
31
|
27
|
30
|
19
|
19
|
14
|
12
|
11
|
12
|
15
|
17
|
25
|
18
|
16
|
12
|
11
|
12
|
14
|
18
|
25
|
21
|
17
|
23
|
|
|
2025/03
|
17
|
16
|
19
|
16
|
16
|
21
|
34
|
29
|
22
|
24
|
24
|
42
|
15
|
11
|
11
|
18
|
11
|
12
|
20
|
20
|
18
|
15
|
26
|
26
|
22
|
19
|
26
|
55
|
28
|
44
|
33
|
|
2025/02
|
15
|
16
|
22
|
24
|
23
|
19
|
19
|
22
|
15
|
18
|
14
|
14
|
13
|
16
|
18
|
15
|
16
|
14
|
14
|
17
|
19
|
16
|
16
|
16
|
18
|
17
|
19
|
31
|
|||
|
2025/01
|
25
|
27
|
28
|
31
|
30
|
27
|
20
|
15
|
16
|
14
|
21
|
19
|
16
|
18
|
17
|
22
|
22
|
37
|
51
|
30
|
25
|
24
|
24
|
17
|
18
|
18
|
13
|
12
|
22
|
13
|
9
|
|
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