Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
39
O3
0.5
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
50
Excellent
Sat
27 Apr
50
Excellent
Sun
28 Apr
51
Good
Mon
29 Apr
50
Excellent
Tue
30 Apr
49
Excellent
Wed
1 May
53
Good
Thu
2 May
53
Good
Air quality in the last 12 months (Litang)
|
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
|
|
2023/12
|
23
|
22
|
20
|
22
|
20
|
20
|
23
|
21
|
19
|
19
|
24
|
22
|
23
|
23
|
39
|
29
|
24
|
25
|
27
|
29
|
32
|
25
|
25
|
22
|
19
|
22
|
24
|
23
|
24
|
19
|
23
|
|
2023/11
|
22
|
20
|
21
|
21
|
23
|
22
|
24
|
23
|
20
|
21
|
25
|
21
|
24
|
26
|
26
|
27
|
28
|
35
|
25
|
23
|
21
|
20
|
22
|
21
|
26
|
30
|
27
|
27
|
31
|
27
|
|
|
2023/10
|
16
|
16
|
13
|
19
|
15
|
15
|
14
|
17
|
18
|
15
|
17
|
19
|
17
|
18
|
20
|
17
|
19
|
20
|
22
|
23
|
20
|
19
|
21
|
22
|
20
|
18
|
18
|
16
|
21
|
21
|
17
|
|
2023/09
|
20
|
21
|
24
|
24
|
26
|
27
|
27
|
22
|
20
|
21
|
18
|
18
|
18
|
20
|
19
|
18
|
20
|
19
|
17
|
17
|
14
|
13
|
14
|
14
|
17
|
17
|
17
|
17
|
15
|
16
|
|
|
2023/08
|
21
|
22
|
21
|
20
|
18
|
17
|
18
|
19
|
21
|
22
|
22
|
21
|
21
|
20
|
21
|
21
|
25
|
19
|
19
|
18
|
22
|
24
|
22
|
23
|
15
|
16
|
15
|
15
|
14
|
17
|
16
|
|
2023/07
|
14
|
16
|
18
|
21
|
20
|
17
|
15
|
17
|
19
|
21
|
20
|
16
|
18
|
19
|
19
|
21
|
24
|
26
|
32
|
25
|
20
|
23
|
24
|
21
|
18
|
18
|
20
|
20
|
20
|
20
|
21
|
|
2023/06
|
28
|
26
|
27
|
30
|
27
|
24
|
27
|
27
|
21
|
22
|
22
|
21
|
25
|
22
|
22
|
20
|
20
|
21
|
24
|
21
|
22
|
20
|
20
|
25
|
27
|
31
|
26
|
23
|
18
|
16
|
|
|
2023/05
|
28
|
25
|
27
|
30
|
30
|
25
|
27
|
29
|
28
|
29
|
31
|
31
|
29
|
28
|
29
|
23
|
27
|
28
|
24
|
24
|
29
|
30
|
30
|
27
|
28
|
25
|
24
|
27
|
26
|
27
|
29
|
|
2023/04
|
25
|
26
|
30
|
30
|
31
|
29
|
22
|
27
|
27
|
27
|
30
|
32
|
35
|
38
|
36
|
33
|
33
|
29
|
25
|
30
|
29
|
29
|
29
|
27
|
26
|
27
|
28
|
33
|
28
|
23
|
|
|
2023/03
|
26
|
24
|
23
|
21
|
24
|
23
|
28
|
24
|
25
|
25
|
22
|
23
|
24
|
24
|
27
|
27
|
22
|
26
|
28
|
25
|
21
|
25
|
26
|
24
|
23
|
23
|
25
|
25
|
26
|
26
|
27
|
|
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