Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
25
O3
0.4
CO
2
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
61
Good
Sat
23 May
66
Good
Sun
24 May
76
Good
Mon
25 May
80
Good
Tue
26 May
83
Good
Wed
27 May
26
Excellent
Thu
28 May
50
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