Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
22
O3
0.8
CO
4
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
50
Excellent
Sun
27 Apr
64
Good
Mon
28 Apr
62
Good
Tue
29 Apr
90
Good
Wed
30 Apr
88
Good
Thu
1 May
18
Excellent
Fri
2 May
29
Excellent
Air quality in the last 12 months (Liwan)
|
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
|
|||
|
2025/01
|
80
|
82
|
62
|
68
|
92
|
89
|
87
|
78
|
69
|
50
|
43
|
51
|
72
|
76
|
63
|
59
|
56
|
65
|
71
|
70
|
85
|
60
|
72
|
46
|
29
|
20
|
29
|
42
|
60
|
53
|
32
|
|
2024/12
|
73
|
89
|
79
|
68
|
62
|
69
|
50
|
39
|
60
|
64
|
55
|
32
|
46
|
64
|
50
|
50
|
65
|
50
|
60
|
67
|
57
|
65
|
75
|
71
|
62
|
67
|
79
|
70
|
85
|
101
|
86
|
|
2024/11
|
46
|
36
|
48
|
50
|
38
|
57
|
47
|
49
|
55
|
55
|
51
|
46
|
40
|
29
|
17
|
15
|
27
|
27
|
24
|
26
|
24
|
34
|
36
|
43
|
27
|
26
|
38
|
48
|
44
|
55
|
|
|
2024/10
|
32
|
31
|
43
|
37
|
44
|
45
|
50
|
74
|
51
|
33
|
43
|
59
|
52
|
36
|
45
|
37
|
31
|
42
|
49
|
37
|
29
|
28
|
30
|
39
|
44
|
38
|
27
|
20
|
28
|
43
|
44
|
|
2024/09
|
35
|
36
|
35
|
37
|
25
|
12
|
18
|
19
|
21
|
30
|
50
|
53
|
38
|
38
|
22
|
25
|
32
|
16
|
31
|
25
|
17
|
18
|
21
|
24
|
44
|
46
|
39
|
47
|
35
|
36
|
|
|
2024/08
|
27
|
34
|
30
|
39
|
43
|
46
|
49
|
38
|
31
|
36
|
31
|
32
|
37
|
35
|
22
|
23
|
19
|
21
|
28
|
30
|
21
|
23
|
36
|
44
|
29
|
36
|
39
|
52
|
28
|
30
|
24
|
|
2024/07
|
46
|
31
|
18
|
18
|
28
|
19
|
16
|
25
|
22
|
18
|
17
|
19
|
18
|
28
|
20
|
21
|
21
|
16
|
19
|
22
|
23
|
23
|
19
|
27
|
37
|
36
|
20
|
14
|
15
|
15
|
18
|
|
2024/06
|
13
|
24
|
28
|
30
|
35
|
22
|
25
|
26
|
22
|
20
|
22
|
28
|
32
|
31
|
22
|
24
|
26
|
26
|
28
|
27
|
21
|
33
|
13
|
16
|
18
|
24
|
23
|
20
|
20
|
25
|
|
|
2024/05
|
22
|
27
|
45
|
28
|
32
|
43
|
41
|
30
|
45
|
46
|
42
|
35
|
38
|
49
|
51
|
54
|
57
|
42
|
33
|
19
|
15
|
29
|
41
|
21
|
25
|
22
|
24
|
21
|
28
|
42
|
18
|
|
2024/04
|
47
|
50
|
33
|
33
|
23
|
28
|
24
|
25
|
28
|
42
|
54
|
53
|
53
|
37
|
42
|
39
|
37
|
35
|
32
|
23
|
22
|
38
|
32
|
42
|
22
|
32
|
40
|
29
|
29
|
26
|
|
|
2024/03
|
24
|
30
|
51
|
50
|
37
|
40
|
37
|
44
|
48
|
21
|
25
|
40
|
62
|
62
|
61
|
72
|
58
|
55
|
25
|
72
|
59
|
56
|
51
|
46
|
41
|
49
|
42
|
47
|
54
|
41
|
45
|
|
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