Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
113
O3
0.3
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Apr
54
Good
Mon
13 Apr
57
Good
Tue
14 Apr
57
Good
Wed
15 Apr
56
Good
Thu
16 Apr
51
Good
Fri
17 Apr
46
Excellent
Sat
18 Apr
29
Excellent
Air quality in the last 12 months (Litang)
|
2026/03
|
25
|
29
|
25
|
26
|
25
|
24
|
29
|
29
|
26
|
23
|
22
|
23
|
30
|
25
|
23
|
21
|
26
|
27
|
25
|
24
|
23
|
26
|
26
|
22
|
26
|
26
|
26
|
22
|
26
|
22
|
24
|
|
2026/02
|
17
|
17
|
17
|
18
|
19
|
21
|
15
|
12
|
20
|
20
|
18
|
15
|
15
|
15
|
18
|
18
|
19
|
35
|
14
|
12
|
11
|
13
|
13
|
13
|
10
|
12
|
12
|
16
|
|||
|
2026/01
|
25
|
17
|
17
|
19
|
19
|
16
|
14
|
20
|
24
|
21
|
19
|
25
|
22
|
28
|
22
|
23
|
20
|
27
|
31
|
27
|
25
|
21
|
23
|
23
|
23
|
27
|
17
|
20
|
20
|
15
|
16
|
|
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
|
|
|
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