Air Quality
Excellent
No health implications.
9
PM2.5
26
PM10
59
O3
0.5
CO
2
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
57
Good
Wed
23 Apr
84
Good
Thu
24 Apr
86
Good
Fri
25 Apr
84
Good
Sat
26 Apr
59
Good
Sun
27 Apr
39
Excellent
Mon
28 Apr
15
Excellent
Air quality in the last 12 months (Liandu)
|
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
|
|
2024/06
|
8
|
9
|
22
|
34
|
24
|
12
|
19
|
28
|
26
|
17
|
12
|
15
|
20
|
19
|
15
|
17
|
9
|
14
|
26
|
32
|
35
|
31
|
33
|
24
|
17
|
18
|
24
|
37
|
30
|
21
|
|
|
2024/05
|
13
|
28
|
34
|
28
|
26
|
23
|
34
|
48
|
56
|
31
|
40
|
29
|
50
|
38
|
48
|
40
|
29
|
41
|
38
|
36
|
23
|
30
|
36
|
28
|
16
|
16
|
22
|
18
|
29
|
29
|
39
|
|
2024/04
|
29
|
41
|
21
|
10
|
13
|
24
|
26
|
20
|
29
|
45
|
48
|
48
|
34
|
14
|
37
|
37
|
21
|
20
|
45
|
43
|
24
|
20
|
28
|
42
|
37
|
45
|
32
|
18
|
30
|
12
|
|
|
2024/03
|
24
|
44
|
40
|
52
|
41
|
15
|
67
|
57
|
60
|
60
|
45
|
50
|
71
|
64
|
42
|
40
|
47
|
21
|
35
|
58
|
58
|
51
|
58
|
45
|
38
|
15
|
33
|
38
|
32
|
45
|
32
|
|
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