Air Quality
Excellent
No health implications.
5
PM2.5
15
PM10
5
O3
0.4
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
26
Excellent
Mon
28 Jul
41
Excellent
Tue
29 Jul
41
Excellent
Wed
30 Jul
37
Excellent
Thu
31 Jul
42
Excellent
Fri
1 Aug
43
Excellent
Sat
2 Aug
22
Excellent
Liandu Air quality rank
Air quality in the last 12 months (Liandu)
|
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
|
|
|
2025/03
|
41
|
44
|
48
|
14
|
26
|
26
|
42
|
52
|
53
|
43
|
48
|
55
|
14
|
16
|
10
|
29
|
33
|
33
|
46
|
43
|
36
|
41
|
50
|
55
|
63
|
77
|
73
|
34
|
31
|
19
|
29
|
|
2025/02
|
20
|
12
|
57
|
56
|
29
|
37
|
43
|
38
|
29
|
43
|
26
|
40
|
116
|
79
|
50
|
33
|
50
|
49
|
35
|
19
|
14
|
21
|
32
|
80
|
88
|
78
|
51
|
29
|
|||
|
2025/01
|
80
|
66
|
68
|
62
|
51
|
75
|
67
|
80
|
69
|
33
|
45
|
49
|
54
|
51
|
94
|
43
|
50
|
48
|
48
|
52
|
67
|
77
|
49
|
43
|
41
|
29
|
29
|
33
|
66
|
39
|
37
|
|
2024/12
|
44
|
47
|
57
|
55
|
48
|
14
|
64
|
62
|
38
|
42
|
22
|
58
|
28
|
96
|
78
|
55
|
47
|
59
|
41
|
35
|
60
|
65
|
70
|
72
|
63
|
94
|
140
|
68
|
48
|
55
|
73
|
|
2024/11
|
10
|
19
|
35
|
50
|
59
|
39
|
25
|
37
|
49
|
43
|
32
|
54
|
34
|
36
|
22
|
18
|
16
|
17
|
25
|
29
|
43
|
45
|
71
|
35
|
28
|
21
|
34
|
33
|
34
|
37
|
|
|
2024/10
|
16
|
26
|
26
|
27
|
35
|
16
|
11
|
13
|
36
|
51
|
61
|
50
|
35
|
39
|
42
|
16
|
34
|
33
|
13
|
20
|
38
|
39
|
31
|
34
|
38
|
31
|
22
|
21
|
54
|
53
|
45
|
|
2024/09
|
24
|
28
|
31
|
26
|
23
|
18
|
20
|
11
|
16
|
32
|
24
|
30
|
13
|
22
|
28
|
25
|
12
|
18
|
19
|
14
|
16
|
19
|
16
|
11
|
24
|
36
|
17
|
25
|
35
|
25
|
|
|
2024/08
|
18
|
20
|
27
|
27
|
25
|
26
|
31
|
36
|
35
|
35
|
34
|
21
|
22
|
33
|
26
|
31
|
19
|
17
|
15
|
13
|
9
|
22
|
27
|
30
|
36
|
30
|
34
|
21
|
29
|
18
|
23
|
|
2024/07
|
27
|
23
|
19
|
20
|
29
|
30
|
29
|
24
|
24
|
29
|
26
|
24
|
24
|
19
|
21
|
18
|
21
|
23
|
27
|
24
|
25
|
14
|
14
|
12
|
10
|
9
|
12
|
15
|
12
|
15
|
16
|
|
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