Air Quality
Excellent
No health implications.
12
PM2.5
30
PM10
1
O3
0.6
CO
2
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
40
Excellent
Thu
22 May
57
Good
Fri
23 May
42
Excellent
Sat
24 May
42
Excellent
Sun
25 May
58
Good
Mon
26 May
29
Excellent
Tue
27 May
42
Excellent
Air quality in the last 12 months (Liandu)
|
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
|
|
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
|
|
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