Air Quality
Excellent
No health implications.
21
PM2.5
47
PM10
61
O3
0.5
CO
7
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Dec
63
Good
Tue
16 Dec
68
Good
Wed
17 Dec
67
Good
Thu
18 Dec
70
Good
Fri
19 Dec
82
Good
Sat
20 Dec
87
Good
Sun
21 Dec
36
Excellent
Air quality in the last 12 months (Liannan)
|
2025/11
|
38
|
35
|
15
|
9
|
17
|
26
|
37
|
21
|
9
|
10
|
15
|
39
|
32
|
39
|
43
|
45
|
57
|
22
|
28
|
33
|
39
|
44
|
53
|
55
|
47
|
53
|
57
|
59
|
56
|
56
|
|
|
2025/10
|
42
|
29
|
25
|
32
|
26
|
15
|
23
|
33
|
30
|
37
|
42
|
33
|
38
|
34
|
43
|
39
|
43
|
32
|
14
|
12
|
13
|
17
|
28
|
37
|
43
|
56
|
55
|
59
|
66
|
69
|
42
|
|
2025/09
|
26
|
29
|
30
|
30
|
36
|
36
|
36
|
21
|
14
|
17
|
24
|
21
|
28
|
30
|
31
|
21
|
22
|
31
|
34
|
21
|
17
|
20
|
18
|
11
|
13
|
21
|
26
|
37
|
34
|
39
|
|
|
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
|
|
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