Air Quality
Excellent
No health implications.
10
PM2.5
21
PM10
102
O3
0.2
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
45
Excellent
Sat
18 Apr
43
Excellent
Sun
19 Apr
38
Excellent
Mon
20 Apr
43
Excellent
Tue
21 Apr
45
Excellent
Wed
22 Apr
42
Excellent
Thu
23 Apr
40
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