Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
79
O3
0.6
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
44
Excellent
Mon
5 May
39
Excellent
Tue
6 May
51
Good
Wed
7 May
44
Excellent
Thu
8 May
40
Excellent
Fri
9 May
31
Excellent
Sat
10 May
38
Excellent
Air quality in the last 12 months (Liunan)
|
2025/02
|
25
|
20
|
30
|
58
|
67
|
27
|
27
|
62
|
40
|
70
|
143
|
135
|
67
|
80
|
28
|
31
|
34
|
30
|
34
|
22
|
25
|
23
|
23
|
49
|
62
|
36
|
45
|
54
|
|||
|
2025/01
|
134
|
111
|
92
|
121
|
98
|
118
|
92
|
80
|
66
|
54
|
62
|
103
|
119
|
131
|
74
|
74
|
89
|
133
|
116
|
129
|
115
|
110
|
155
|
89
|
65
|
25
|
47
|
66
|
135
|
112
|
78
|
|
2024/12
|
85
|
99
|
101
|
88
|
74
|
32
|
27
|
39
|
74
|
64
|
22
|
38
|
56
|
63
|
48
|
55
|
114
|
61
|
66
|
93
|
97
|
90
|
93
|
91
|
106
|
88
|
85
|
76
|
88
|
140
|
98
|
|
2024/11
|
49
|
55
|
79
|
93
|
66
|
69
|
59
|
71
|
65
|
66
|
80
|
71
|
74
|
67
|
69
|
51
|
38
|
29
|
27
|
30
|
34
|
38
|
34
|
46
|
52
|
27
|
37
|
51
|
64
|
74
|
|
|
2024/10
|
45
|
40
|
56
|
62
|
66
|
64
|
63
|
51
|
42
|
52
|
61
|
65
|
70
|
58
|
27
|
40
|
36
|
25
|
17
|
21
|
30
|
36
|
31
|
35
|
49
|
46
|
41
|
34
|
47
|
54
|
58
|
|
2024/09
|
33
|
49
|
34
|
35
|
50
|
43
|
16
|
20
|
29
|
27
|
31
|
42
|
51
|
44
|
44
|
32
|
29
|
43
|
44
|
37
|
36
|
28
|
36
|
41
|
46
|
33
|
51
|
54
|
36
|
55
|
|
|
2024/08
|
18
|
20
|
21
|
23
|
36
|
36
|
32
|
27
|
27
|
30
|
37
|
25
|
15
|
21
|
33
|
36
|
28
|
27
|
32
|
27
|
20
|
21
|
30
|
33
|
35
|
39
|
40
|
48
|
39
|
36
|
42
|
|
2024/07
|
26
|
13
|
22
|
20
|
20
|
22
|
21
|
20
|
22
|
25
|
25
|
26
|
28
|
23
|
27
|
32
|
21
|
19
|
29
|
29
|
35
|
38
|
30
|
23
|
37
|
58
|
43
|
17
|
16
|
16
|
12
|
|
2024/06
|
28
|
32
|
32
|
22
|
16
|
23
|
28
|
27
|
15
|
22
|
21
|
22
|
28
|
17
|
33
|
25
|
24
|
15
|
27
|
26
|
25
|
21
|
21
|
15
|
19
|
18
|
25
|
17
|
17
|
20
|
|
|
2024/05
|
19
|
23
|
37
|
30
|
27
|
50
|
64
|
55
|
31
|
33
|
40
|
22
|
57
|
60
|
66
|
56
|
60
|
34
|
14
|
23
|
27
|
33
|
46
|
46
|
39
|
18
|
26
|
29
|
44
|
21
|
18
|
|
2024/04
|
57
|
55
|
52
|
28
|
21
|
19
|
17
|
29
|
39
|
39
|
33
|
48
|
50
|
48
|
56
|
49
|
48
|
25
|
42
|
24
|
17
|
50
|
31
|
48
|
51
|
33
|
33
|
52
|
62
|
33
|
|
|
2024/03
|
54
|
67
|
73
|
34
|
43
|
38
|
56
|
63
|
103
|
44
|
40
|
58
|
61
|
32
|
21
|
42
|
53
|
35
|
38
|
96
|
97
|
71
|
49
|
50
|
48
|
28
|
61
|
40
|
57
|
55
|
46
|
|
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