Air Quality
Excellent
No health implications.
2
PM2.5
8
PM10
110
O3
0.3
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Apr
43
Excellent
Thu
17 Apr
71
Good
Fri
18 Apr
63
Good
Sat
19 Apr
60
Good
Sun
20 Apr
64
Good
Mon
21 Apr
65
Good
Tue
22 Apr
47
Excellent
Air quality in the last 12 months (Litang)
|
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
|
|
|
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
|
|
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