Air Quality
Excellent
No health implications.
24
PM2.5
32
PM10
24
O3
2.5
CO
12
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Feb
60
Good
Fri
14 Feb
62
Good
Sat
15 Feb
37
Excellent
Sun
16 Feb
39
Excellent
Mon
17 Feb
48
Excellent
Tue
18 Feb
49
Excellent
Wed
19 Feb
47
Excellent
Air quality in the last 12 months (Liunan)
|
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
|
|
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
|
||
|
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