Air Quality
Excellent
No health implications.
21
PM2.5
46
PM10
154
O3
0.5
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
88
Good
Mon
16 Mar
88
Good
Tue
17 Mar
82
Good
Wed
18 Mar
80
Good
Thu
19 Mar
71
Good
Fri
20 Mar
68
Good
Sat
21 Mar
38
Excellent
Air quality in the last 12 months (Liwan)
|
2026/02
|
24
|
37
|
55
|
60
|
51
|
47
|
40
|
35
|
46
|
55
|
47
|
40
|
42
|
38
|
25
|
31
|
47
|
31
|
48
|
46
|
50
|
37
|
51
|
54
|
52
|
23
|
30
|
17
|
|||
|
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
|
|
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