Air Quality
Excellent
No health implications.
11
PM2.5
18
PM10
33
O3
0.6
CO
2
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
48
Excellent
Thu
21 May
47
Excellent
Fri
22 May
57
Good
Sat
23 May
78
Good
Sun
24 May
79
Good
Mon
25 May
85
Good
Tue
26 May
47
Excellent
Air quality in the last 12 months (Liwan)
|
2026/04
|
30
|
45
|
44
|
28
|
36
|
36
|
42
|
36
|
36
|
32
|
42
|
29
|
29
|
28
|
26
|
28
|
32
|
46
|
78
|
37
|
30
|
26
|
21
|
20
|
42
|
67
|
36
|
30
|
21
|
27
|
|
|
2026/03
|
18
|
24
|
14
|
25
|
29
|
31
|
36
|
55
|
47
|
22
|
34
|
52
|
60
|
49
|
48
|
46
|
39
|
41
|
55
|
33
|
39
|
39
|
47
|
38
|
52
|
35
|
37
|
37
|
31
|
29
|
28
|
|
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
|
|
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