Air Quality
Excellent
No health implications.
19
PM2.5
26
PM10
54
O3
0.6
CO
12
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
71
Good
Wed
17 Sep
68
Good
Thu
18 Sep
69
Good
Fri
19 Sep
63
Good
Sat
20 Sep
55
Good
Sun
21 Sep
40
Excellent
Mon
22 Sep
27
Excellent
Liannan Air quality rank
Air quality in the last 12 months (Liannan)
|
2025/08
|
26
|
20
|
16
|
21
|
14
|
14
|
18
|
22
|
34
|
34
|
33
|
35
|
33
|
28
|
11
|
19
|
25
|
17
|
13
|
16
|
19
|
23
|
31
|
22
|
22
|
21
|
25
|
23
|
25
|
22
|
26
|
|
2025/07
|
12
|
17
|
21
|
30
|
40
|
36
|
34
|
35
|
34
|
24
|
21
|
22
|
23
|
27
|
29
|
33
|
38
|
31
|
28
|
17
|
13
|
13
|
16
|
22
|
26
|
36
|
34
|
24
|
26
|
27
|
19
|
|
2025/06
|
32
|
24
|
25
|
39
|
41
|
39
|
31
|
28
|
30
|
29
|
26
|
21
|
24
|
16
|
13
|
21
|
10
|
11
|
18
|
18
|
16
|
22
|
25
|
26
|
29
|
21
|
15
|
16
|
18
|
18
|
|
|
2025/05
|
42
|
52
|
44
|
32
|
27
|
27
|
41
|
28
|
22
|
45
|
38
|
39
|
49
|
48
|
41
|
28
|
20
|
14
|
19
|
21
|
24
|
24
|
25
|
35
|
50
|
44
|
43
|
40
|
16
|
22
|
22
|
|
2025/04
|
42
|
50
|
58
|
80
|
92
|
77
|
75
|
66
|
78
|
53
|
56
|
126
|
214
|
137
|
86
|
81
|
85
|
71
|
40
|
31
|
34
|
37
|
41
|
32
|
21
|
33
|
29
|
24
|
49
|
53
|
|
|
2025/03
|
36
|
38
|
47
|
19
|
18
|
20
|
36
|
46
|
48
|
59
|
64
|
53
|
42
|
39
|
17
|
31
|
49
|
34
|
46
|
48
|
49
|
62
|
71
|
82
|
84
|
67
|
52
|
60
|
20
|
18
|
27
|
|
2025/02
|
33
|
20
|
20
|
44
|
58
|
55
|
31
|
63
|
44
|
58
|
69
|
66
|
76
|
86
|
93
|
44
|
35
|
30
|
45
|
37
|
26
|
28
|
17
|
53
|
83
|
96
|
75
|
55
|
|||
|
2025/01
|
85
|
81
|
90
|
106
|
128
|
102
|
85
|
89
|
75
|
46
|
54
|
58
|
58
|
59
|
76
|
66
|
60
|
59
|
67
|
71
|
68
|
68
|
72
|
108
|
80
|
24
|
43
|
62
|
172
|
73
|
59
|
|
2024/12
|
62
|
60
|
62
|
85
|
99
|
51
|
27
|
41
|
84
|
88
|
34
|
52
|
56
|
72
|
52
|
52
|
59
|
58
|
67
|
76
|
84
|
89
|
86
|
88
|
92
|
108
|
106
|
109
|
77
|
90
|
88
|
|
2024/11
|
50
|
68
|
69
|
69
|
63
|
67
|
48
|
49
|
59
|
63
|
60
|
57
|
60
|
62
|
36
|
42
|
33
|
15
|
16
|
22
|
29
|
35
|
43
|
51
|
50
|
25
|
37
|
47
|
49
|
59
|
|
|
2024/10
|
39
|
39
|
51
|
49
|
48
|
54
|
72
|
58
|
48
|
44
|
53
|
51
|
60
|
81
|
41
|
37
|
42
|
44
|
31
|
20
|
29
|
30
|
26
|
36
|
42
|
55
|
29
|
25
|
46
|
50
|
50
|
|
2024/09
|
31
|
31
|
30
|
33
|
37
|
29
|
20
|
21
|
22
|
29
|
34
|
44
|
44
|
38
|
31
|
29
|
38
|
40
|
43
|
37
|
28
|
27
|
35
|
38
|
40
|
38
|
37
|
37
|
43
|
41
|
|
|
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