Air Quality
Excellent
No health implications.
11
PM2.5
23
PM10
50
O3
0.4
CO
7
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
40
Excellent
Sun
29 Jun
43
Excellent
Mon
30 Jun
56
Good
Tue
1 Jul
59
Good
Wed
2 Jul
59
Good
Thu
3 Jul
59
Good
Fri
4 Jul
20
Excellent
Air quality in the last 12 months (Litang)
|
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
|
|
|
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
|
|
|
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