Air Quality
Excellent
No health implications.
17
PM2.5
47
PM10
79
O3
0.5
CO
5
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
30
Excellent
Fri
31 Jan
36
Excellent
Sat
1 Feb
35
Excellent
Sun
2 Feb
35
Excellent
Mon
3 Feb
38
Excellent
Tue
4 Feb
36
Excellent
Wed
5 Feb
31
Excellent
Air quality in the last 12 months (Litang)
|
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
|
|
|
2024/08
|
20
|
20
|
18
|
16
|
16
|
20
|
21
|
21
|
21
|
17
|
23
|
19
|
16
|
24
|
21
|
15
|
14
|
16
|
16
|
15
|
15
|
17
|
24
|
26
|
26
|
26
|
25
|
23
|
24
|
23
|
18
|
|
2024/07
|
18
|
18
|
13
|
12
|
14
|
16
|
15
|
13
|
12
|
13
|
12
|
19
|
17
|
12
|
12
|
13
|
15
|
13
|
14
|
11
|
9
|
11
|
19
|
16
|
14
|
16
|
15
|
14
|
12
|
16
|
19
|
|
2024/06
|
20
|
16
|
15
|
14
|
16
|
13
|
13
|
12
|
11
|
14
|
12
|
15
|
13
|
16
|
16
|
12
|
13
|
12
|
11
|
11
|
15
|
12
|
15
|
12
|
15
|
12
|
14
|
12
|
15
|
15
|
|
|
2024/05
|
13
|
17
|
21
|
24
|
24
|
17
|
20
|
11
|
14
|
12
|
12
|
12
|
15
|
13
|
10
|
11
|
9
|
18
|
28
|
23
|
20
|
16
|
18
|
20
|
22
|
23
|
12
|
11
|
12
|
12
|
19
|
|
2024/04
|
13
|
17
|
19
|
15
|
16
|
14
|
15
|
15
|
14
|
22
|
20
|
20
|
18
|
22
|
17
|
29
|
19
|
23
|
37
|
16
|
12
|
14
|
16
|
14
|
14
|
21
|
19
|
22
|
18
|
17
|
|
|
2024/03
|
20
|
25
|
23
|
17
|
16
|
19
|
13
|
12
|
12
|
15
|
17
|
18
|
18
|
15
|
17
|
15
|
17
|
20
|
37
|
37
|
17
|
14
|
13
|
14
|
17
|
14
|
15
|
15
|
15
|
14
|
15
|
|
2024/02
|
24
|
26
|
24
|
25
|
24
|
21
|
20
|
22
|
24
|
26
|
21
|
21
|
19
|
22
|
23
|
20
|
19
|
21
|
21
|
22
|
24
|
21
|
21
|
22
|
22
|
24
|
23
|
23
|
21
|
||
|
2024/01
|
23
|
18
|
16
|
18
|
20
|
21
|
24
|
23
|
25
|
23
|
22
|
25
|
23
|
30
|
29
|
22
|
24
|
21
|
25
|
24
|
22
|
21
|
18
|
20
|
24
|
22
|
22
|
20
|
23
|
23
|
23
|
|
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