Air Quality
Excellent
No health implications.
12
PM2.5
33
PM10
31
O3
0.5
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
85
Good
Wed
16 Jul
92
Good
Thu
17 Jul
97
Good
Fri
18 Jul
82
Good
Sat
19 Jul
83
Good
Sun
20 Jul
40
Excellent
Mon
21 Jul
48
Excellent
Liwan Air quality rank
Air quality in the last 12 months (Liwan)
|
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
|
|||
|
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
|
|
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