Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
37
O3
0.5
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
40
Excellent
Thu
21 May
42
Excellent
Fri
22 May
43
Excellent
Sat
23 May
49
Excellent
Sun
24 May
51
Good
Mon
25 May
53
Good
Tue
26 May
20
Excellent
Air quality in the last 12 months (Liannan)
|
2026/04
|
29
|
39
|
35
|
29
|
46
|
55
|
36
|
39
|
41
|
46
|
49
|
42
|
37
|
36
|
31
|
37
|
20
|
29
|
37
|
48
|
35
|
21
|
21
|
30
|
40
|
49
|
62
|
38
|
27
|
27
|
|
|
2026/03
|
18
|
16
|
17
|
27
|
33
|
33
|
44
|
58
|
18
|
30
|
35
|
37
|
51
|
52
|
74
|
80
|
51
|
41
|
33
|
39
|
24
|
58
|
65
|
50
|
42
|
72
|
47
|
32
|
35
|
28
|
28
|
|
2026/02
|
38
|
42
|
53
|
64
|
74
|
75
|
47
|
41
|
59
|
66
|
29
|
40
|
61
|
54
|
37
|
32
|
41
|
45
|
57
|
38
|
59
|
65
|
50
|
35
|
27
|
41
|
17
|
25
|
|||
|
2026/01
|
38
|
30
|
51
|
63
|
33
|
52
|
48
|
45
|
45
|
55
|
52
|
55
|
65
|
67
|
67
|
81
|
96
|
85
|
79
|
27
|
25
|
28
|
50
|
62
|
72
|
74
|
49
|
64
|
58
|
58
|
21
|
|
2025/12
|
57
|
69
|
91
|
85
|
73
|
77
|
75
|
71
|
75
|
76
|
74
|
69
|
22
|
33
|
46
|
47
|
52
|
63
|
57
|
51
|
90
|
110
|
83
|
23
|
37
|
47
|
51
|
53
|
56
|
63
|
78
|
|
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
|
|
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