Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
91
O3
0.8
CO
9
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
45
Excellent
Tue
21 May
68
Good
Wed
22 May
78
Good
Thu
23 May
65
Good
Fri
24 May
73
Good
Sat
25 May
80
Good
Sun
26 May
80
Good
Air quality in the last 12 months (Liunan)
|
2024/02
|
34
|
31
|
30
|
17
|
24
|
19
|
21
|
33
|
44
|
97
|
89
|
96
|
114
|
74
|
67
|
33
|
66
|
46
|
48
|
57
|
60
|
25
|
21
|
19
|
20
|
17
|
24
|
17
|
20
|
||
|
2024/01
|
113
|
51
|
34
|
55
|
112
|
59
|
61
|
32
|
32
|
46
|
53
|
42
|
55
|
68
|
77
|
76
|
90
|
92
|
74
|
20
|
26
|
24
|
46
|
43
|
43
|
55
|
53
|
47
|
34
|
22
|
36
|
|
2023/12
|
68
|
49
|
29
|
23
|
54
|
56
|
72
|
73
|
60
|
50
|
48
|
37
|
61
|
96
|
40
|
28
|
40
|
20
|
18
|
37
|
54
|
65
|
54
|
60
|
81
|
98
|
112
|
102
|
92
|
115
|
132
|
|
2023/11
|
63
|
65
|
62
|
44
|
42
|
30
|
28
|
46
|
49
|
42
|
15
|
20
|
23
|
32
|
33
|
31
|
62
|
64
|
66
|
83
|
76
|
86
|
82
|
76
|
71
|
80
|
71
|
79
|
88
|
80
|
|
|
2023/10
|
41
|
33
|
41
|
47
|
27
|
30
|
40
|
33
|
37
|
26
|
27
|
42
|
56
|
48
|
52
|
61
|
67
|
60
|
32
|
21
|
34
|
46
|
61
|
66
|
57
|
65
|
24
|
30
|
31
|
48
|
62
|
|
2023/09
|
46
|
47
|
30
|
29
|
38
|
45
|
34
|
31
|
28
|
28
|
19
|
18
|
16
|
18
|
30
|
41
|
44
|
35
|
24
|
27
|
31
|
33
|
33
|
47
|
49
|
44
|
42
|
35
|
41
|
44
|
|
|
2023/08
|
39
|
31
|
36
|
32
|
19
|
17
|
16
|
16
|
21
|
28
|
27
|
31
|
32
|
31
|
25
|
28
|
40
|
43
|
36
|
33
|
31
|
31
|
23
|
29
|
28
|
29
|
25
|
16
|
23
|
42
|
45
|
|
2023/07
|
31
|
33
|
30
|
23
|
24
|
20
|
24
|
24
|
26
|
30
|
27
|
28
|
31
|
29
|
40
|
45
|
58
|
34
|
23
|
25
|
26
|
32
|
30
|
32
|
35
|
50
|
46
|
50
|
55
|
41
|
30
|
|
2023/06
|
44
|
40
|
40
|
31
|
32
|
28
|
25
|
20
|
29
|
30
|
56
|
58
|
34
|
28
|
42
|
32
|
26
|
24
|
30
|
24
|
33
|
21
|
22
|
26
|
17
|
19
|
26
|
32
|
26
|
24
|
|
|
2023/05
|
74
|
42
|
35
|
29
|
44
|
48
|
21
|
34
|
50
|
30
|
21
|
29
|
54
|
70
|
60
|
37
|
44
|
53
|
54
|
51
|
50
|
40
|
33
|
30
|
38
|
28
|
21
|
28
|
38
|
56
|
55
|
|
2023/04
|
53
|
30
|
37
|
46
|
38
|
25
|
45
|
74
|
72
|
37
|
20
|
51
|
52
|
53
|
55
|
74
|
60
|
52
|
43
|
35
|
56
|
43
|
40
|
25
|
21
|
39
|
45
|
48
|
39
|
86
|
|
|
2023/03
|
117
|
98
|
117
|
91
|
84
|
119
|
114
|
145
|
88
|
75
|
60
|
120
|
92
|
96
|
75
|
68
|
50
|
38
|
31
|
54
|
43
|
59
|
52
|
27
|
22
|
38
|
32
|
43
|
39
|
45
|
47
|
|
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