Air Quality
Excellent
No health implications.
17
PM2.5
27
PM10
58
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jul
94
Good
Mon
14 Jul
99
Good
Tue
15 Jul
104
Light
Wed
16 Jul
91
Good
Thu
17 Jul
56
Good
Fri
18 Jul
54
Good
Sat
19 Jul
23
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