Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
31
O3
0.5
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Aug
49
Excellent
Sat
23 Aug
57
Good
Sun
24 Aug
53
Good
Mon
25 Aug
50
Excellent
Tue
26 Aug
49
Excellent
Wed
27 Aug
29
Excellent
Thu
28 Aug
27
Excellent
Air quality in the last 12 months (Liannan)
|
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
|
|
|
2024/08
|
21
|
27
|
32
|
38
|
35
|
30
|
37
|
36
|
35
|
33
|
34
|
23
|
19
|
24
|
20
|
22
|
23
|
25
|
31
|
30
|
22
|
26
|
28
|
33
|
33
|
31
|
39
|
31
|
35
|
40
|
39
|
|
2024/07
|
29
|
28
|
21
|
26
|
28
|
29
|
28
|
26
|
27
|
25
|
28
|
25
|
23
|
28
|
26
|
23
|
21
|
23
|
23
|
26
|
21
|
22
|
22
|
32
|
43
|
42
|
25
|
14
|
14
|
18
|
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