Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
24
O3
0.4
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
37
Excellent
Sat
13 Sep
38
Excellent
Sun
14 Sep
38
Excellent
Mon
15 Sep
40
Excellent
Tue
16 Sep
37
Excellent
Wed
17 Sep
35
Excellent
Thu
18 Sep
39
Excellent
Air quality in the last 12 months (Litang)
|
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
|
|
|
2024/10
|
12
|
11
|
11
|
10
|
11
|
9
|
11
|
12
|
11
|
9
|
9
|
11
|
14
|
17
|
13
|
9
|
16
|
15
|
14
|
22
|
24
|
23
|
21
|
18
|
14
|
15
|
15
|
18
|
19
|
16
|
18
|
|
2024/09
|
14
|
13
|
10
|
11
|
14
|
15
|
15
|
13
|
11
|
12
|
14
|
12
|
14
|
12
|
12
|
11
|
11
|
14
|
18
|
17
|
14
|
14
|
14
|
12
|
12
|
14
|
14
|
15
|
14
|
14
|
|
|
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