Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
44
O3
0.5
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
71
Good
Mon
16 Feb
83
Good
Tue
17 Feb
81
Good
Wed
18 Feb
61
Good
Thu
19 Feb
68
Good
Fri
20 Feb
15
Excellent
Sat
21 Feb
25
Excellent
Liwan Air quality rank
Air quality in the last 12 months (Liwan)
|
2026/01
|
75
|
21
|
42
|
64
|
58
|
37
|
46
|
40
|
49
|
71
|
46
|
86
|
98
|
81
|
87
|
112
|
108
|
74
|
79
|
61
|
33
|
33
|
44
|
67
|
72
|
89
|
77
|
52
|
60
|
41
|
33
|
|
2025/12
|
65
|
52
|
58
|
69
|
70
|
78
|
80
|
63
|
61
|
69
|
65
|
61
|
33
|
39
|
55
|
74
|
56
|
56
|
61
|
34
|
59
|
71
|
67
|
64
|
20
|
51
|
54
|
61
|
73
|
68
|
60
|
|
2025/11
|
34
|
40
|
38
|
17
|
19
|
26
|
45
|
46
|
27
|
19
|
23
|
26
|
21
|
37
|
47
|
52
|
51
|
44
|
23
|
32
|
34
|
43
|
56
|
57
|
47
|
63
|
57
|
67
|
79
|
62
|
|
|
2025/10
|
43
|
18
|
20
|
32
|
19
|
19
|
29
|
38
|
42
|
42
|
37
|
24
|
28
|
25
|
35
|
42
|
45
|
49
|
42
|
21
|
13
|
14
|
30
|
46
|
47
|
50
|
57
|
55
|
49
|
43
|
40
|
|
2025/09
|
23
|
24
|
22
|
22
|
24
|
32
|
25
|
10
|
16
|
22
|
29
|
22
|
23
|
24
|
26
|
30
|
36
|
28
|
23
|
18
|
13
|
25
|
29
|
11
|
17
|
22
|
36
|
37
|
31
|
41
|
|
|
2025/08
|
27
|
28
|
25
|
32
|
21
|
17
|
32
|
41
|
35
|
30
|
26
|
27
|
33
|
35
|
19
|
29
|
26
|
16
|
22
|
29
|
25
|
37
|
40
|
23
|
29
|
29
|
29
|
45
|
30
|
30
|
24
|
|
2025/07
|
18
|
22
|
36
|
41
|
42
|
35
|
41
|
24
|
33
|
30
|
18
|
32
|
26
|
34
|
34
|
33
|
39
|
48
|
23
|
14
|
15
|
18
|
22
|
27
|
30
|
36
|
44
|
47
|
38
|
32
|
32
|
|
2025/06
|
35
|
33
|
19
|
32
|
32
|
35
|
34
|
21
|
25
|
31
|
22
|
20
|
18
|
15
|
22
|
27
|
15
|
18
|
16
|
17
|
18
|
20
|
19
|
20
|
21
|
22
|
17
|
18
|
19
|
16
|
|
|
2025/05
|
34
|
47
|
39
|
29
|
28
|
25
|
19
|
34
|
26
|
31
|
37
|
50
|
42
|
31
|
23
|
22
|
25
|
20
|
26
|
28
|
28
|
26
|
28
|
26
|
49
|
50
|
47
|
38
|
26
|
26
|
31
|
|
2025/04
|
36
|
54
|
64
|
51
|
34
|
68
|
79
|
66
|
53
|
44
|
38
|
43
|
292
|
177
|
108
|
101
|
70
|
59
|
39
|
37
|
30
|
34
|
41
|
26
|
18
|
37
|
34
|
26
|
41
|
51
|
|
|
2025/03
|
36
|
33
|
37
|
24
|
17
|
16
|
26
|
36
|
59
|
64
|
44
|
38
|
37
|
32
|
21
|
18
|
54
|
50
|
49
|
63
|
67
|
65
|
62
|
68
|
59
|
47
|
36
|
37
|
18
|
13
|
17
|
|
2025/02
|
36
|
37
|
12
|
33
|
41
|
48
|
22
|
56
|
33
|
52
|
54
|
49
|
45
|
50
|
39
|
61
|
44
|
57
|
49
|
47
|
36
|
37
|
22
|
32
|
49
|
48
|
56
|
42
|
|||
|
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