Air Quality
Excellent
No health implications.
21
PM2.5
34
PM10
70
O3
0.7
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
45
Excellent
Thu
16 Apr
38
Excellent
Fri
17 Apr
41
Excellent
Sat
18 Apr
54
Good
Sun
19 Apr
63
Good
Mon
20 Apr
89
Good
Tue
21 Apr
24
Excellent
Air quality in the last 12 months (Liandu)
|
2026/03
|
19
|
20
|
27
|
50
|
21
|
39
|
52
|
40
|
43
|
40
|
37
|
40
|
45
|
43
|
46
|
33
|
33
|
37
|
19
|
27
|
22
|
27
|
26
|
16
|
23
|
32
|
27
|
30
|
31
|
27
|
22
|
|
2026/02
|
31
|
41
|
47
|
45
|
55
|
35
|
16
|
38
|
29
|
27
|
40
|
42
|
55
|
48
|
38
|
10
|
44
|
47
|
32
|
24
|
26
|
37
|
69
|
24
|
16
|
11
|
11
|
12
|
|||
|
2026/01
|
24
|
23
|
64
|
56
|
52
|
52
|
45
|
41
|
44
|
47
|
54
|
61
|
53
|
51
|
52
|
54
|
65
|
74
|
41
|
10
|
36
|
63
|
77
|
56
|
42
|
43
|
16
|
66
|
48
|
23
|
12
|
|
2025/12
|
55
|
77
|
51
|
49
|
50
|
52
|
55
|
75
|
65
|
35
|
46
|
68
|
39
|
43
|
47
|
50
|
56
|
72
|
63
|
64
|
73
|
43
|
49
|
52
|
35
|
49
|
45
|
47
|
56
|
73
|
71
|
|
2025/11
|
33
|
47
|
48
|
21
|
24
|
36
|
28
|
33
|
13
|
38
|
28
|
13
|
27
|
39
|
46
|
47
|
34
|
27
|
32
|
36
|
46
|
49
|
47
|
47
|
67
|
73
|
67
|
68
|
63
|
56
|
|
|
2025/10
|
27
|
18
|
15
|
19
|
24
|
29
|
32
|
33
|
32
|
27
|
30
|
30
|
31
|
21
|
15
|
26
|
26
|
23
|
15
|
21
|
27
|
28
|
35
|
42
|
41
|
52
|
36
|
41
|
23
|
18
|
19
|
|
2025/09
|
21
|
22
|
17
|
25
|
26
|
17
|
17
|
24
|
20
|
13
|
17
|
20
|
23
|
16
|
26
|
16
|
17
|
16
|
12
|
21
|
15
|
29
|
17
|
13
|
19
|
23
|
23
|
24
|
37
|
36
|
|
|
2025/08
|
27
|
26
|
22
|
20
|
15
|
23
|
17
|
20
|
22
|
28
|
28
|
23
|
15
|
11
|
13
|
15
|
17
|
17
|
16
|
21
|
19
|
15
|
23
|
18
|
16
|
16
|
14
|
13
|
15
|
15
|
20
|
|
2025/07
|
16
|
16
|
26
|
22
|
16
|
12
|
10
|
12
|
10
|
16
|
15
|
20
|
21
|
26
|
34
|
30
|
24
|
22
|
11
|
10
|
8
|
17
|
23
|
21
|
22
|
13
|
20
|
20
|
23
|
25
|
21
|
|
2025/06
|
23
|
24
|
14
|
29
|
28
|
36
|
36
|
27
|
21
|
16
|
17
|
15
|
11
|
19
|
17
|
10
|
28
|
20
|
23
|
18
|
20
|
20
|
16
|
19
|
18
|
22
|
25
|
18
|
23
|
15
|
|
|
2025/05
|
43
|
46
|
51
|
53
|
28
|
55
|
73
|
41
|
31
|
45
|
37
|
37
|
35
|
32
|
33
|
25
|
42
|
15
|
17
|
24
|
20
|
28
|
17
|
32
|
54
|
50
|
45
|
23
|
13
|
32
|
41
|
|
2025/04
|
35
|
39
|
49
|
48
|
52
|
56
|
54
|
55
|
59
|
38
|
43
|
50
|
106
|
77
|
54
|
48
|
50
|
58
|
43
|
39
|
40
|
16
|
23
|
21
|
18
|
31
|
35
|
39
|
50
|
41
|
|
|
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