Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
30
O3
0.4
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Dec
30
Excellent
Tue
30 Dec
31
Excellent
Wed
31 Dec
36
Excellent
Thu
1 Jan
32
Excellent
Fri
2 Jan
35
Excellent
Sat
3 Jan
24
Excellent
Sun
4 Jan
27
Excellent
Litang Air quality rank
Air quality in the last 12 months (Litang)
|
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
|
|
2024/12
|
28
|
25
|
24
|
23
|
24
|
26
|
20
|
24
|
22
|
19
|
27
|
27
|
19
|
23
|
30
|
29
|
30
|
27
|
29
|
30
|
23
|
17
|
29
|
25
|
24
|
27
|
25
|
25
|
27
|
19
|
22
|
|
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