Air Quality
Excellent
No health implications.
21
PM2.5
32
PM10
5
O3
0.8
CO
6
SO2
69
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
78
Good
Thu
25 Apr
37
Excellent
Fri
26 Apr
39
Excellent
Sat
27 Apr
45
Excellent
Sun
28 Apr
48
Excellent
Mon
29 Apr
46
Excellent
Air quality in the last 12 months (Liwan)
|
2024/02
|
44
|
28
|
27
|
24
|
18
|
24
|
13
|
11
|
27
|
65
|
75
|
68
|
48
|
50
|
45
|
32
|
30
|
31
|
33
|
25
|
35
|
27
|
24
|
27
|
22
|
29
|
23
|
50
|
28
|
||
|
2024/01
|
87
|
69
|
34
|
47
|
78
|
86
|
65
|
62
|
55
|
32
|
48
|
73
|
104
|
71
|
78
|
58
|
55
|
46
|
53
|
42
|
30
|
22
|
33
|
34
|
45
|
49
|
51
|
45
|
61
|
81
|
66
|
|
2023/12
|
57
|
52
|
57
|
53
|
43
|
50
|
51
|
78
|
60
|
47
|
56
|
56
|
46
|
66
|
68
|
28
|
35
|
41
|
18
|
33
|
36
|
60
|
48
|
49
|
51
|
78
|
103
|
94
|
96
|
74
|
90
|
|
2023/11
|
63
|
72
|
68
|
60
|
35
|
45
|
42
|
67
|
51
|
57
|
21
|
18
|
24
|
33
|
42
|
38
|
58
|
63
|
62
|
80
|
71
|
72
|
92
|
61
|
76
|
66
|
76
|
61
|
72
|
55
|
|
|
2023/10
|
46
|
27
|
53
|
53
|
35
|
36
|
22
|
22
|
17
|
18
|
24
|
39
|
36
|
55
|
55
|
48
|
49
|
44
|
45
|
24
|
21
|
30
|
44
|
48
|
85
|
58
|
63
|
45
|
35
|
50
|
45
|
|
2023/09
|
30
|
22
|
22
|
38
|
38
|
34
|
15
|
20
|
25
|
19
|
22
|
27
|
29
|
24
|
18
|
25
|
28
|
27
|
35
|
36
|
53
|
49
|
62
|
32
|
31
|
39
|
46
|
51
|
35
|
34
|
|
|
2023/08
|
30
|
46
|
68
|
25
|
28
|
31
|
31
|
27
|
40
|
40
|
34
|
30
|
28
|
34
|
30
|
41
|
40
|
47
|
62
|
28
|
25
|
29
|
27
|
27
|
29
|
32
|
24
|
23
|
23
|
26
|
26
|
|
2023/07
|
21
|
18
|
18
|
23
|
28
|
22
|
22
|
28
|
22
|
25
|
25
|
27
|
29
|
48
|
73
|
30
|
16
|
22
|
26
|
23
|
36
|
34
|
35
|
28
|
35
|
58
|
34
|
30
|
33
|
21
|
28
|
|
2023/06
|
49
|
67
|
45
|
27
|
32
|
27
|
22
|
20
|
25
|
29
|
29
|
33
|
47
|
32
|
30
|
23
|
17
|
24
|
21
|
27
|
26
|
23
|
23
|
26
|
21
|
33
|
38
|
23
|
39
|
29
|
|
|
2023/05
|
59
|
43
|
35
|
30
|
30
|
29
|
27
|
32
|
48
|
47
|
45
|
27
|
42
|
51
|
66
|
42
|
26
|
47
|
41
|
44
|
34
|
37
|
31
|
31
|
40
|
27
|
37
|
51
|
54
|
61
|
56
|
|
2023/04
|
41
|
40
|
36
|
33
|
30
|
33
|
27
|
65
|
63
|
55
|
45
|
55
|
45
|
58
|
54
|
75
|
49
|
41
|
34
|
64
|
30
|
37
|
39
|
37
|
20
|
30
|
43
|
41
|
31
|
45
|
|
|
2023/03
|
89
|
72
|
86
|
78
|
90
|
66
|
58
|
58
|
70
|
73
|
58
|
55
|
89
|
86
|
59
|
68
|
56
|
70
|
38
|
39
|
32
|
48
|
43
|
32
|
38
|
16
|
20
|
26
|
22
|
23
|
22
|
|
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