Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
75
O3
0.5
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Nov
35
Excellent
Thu
20 Nov
31
Excellent
Fri
21 Nov
30
Excellent
Sat
22 Nov
30
Excellent
Sun
23 Nov
30
Excellent
Mon
24 Nov
36
Excellent
Tue
25 Nov
50
Excellent
Air quality in the last 12 months (Litang)
|
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
|
|
2024/11
|
16
|
20
|
20
|
16
|
15
|
16
|
19
|
20
|
19
|
24
|
21
|
21
|
25
|
24
|
25
|
26
|
19
|
22
|
20
|
17
|
17
|
16
|
14
|
15
|
29
|
20
|
20
|
18
|
20
|
26
|
|
|
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