Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
55
O3
0.5
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
47
Excellent
Wed
1 May
49
Excellent
Thu
2 May
51
Good
Fri
3 May
44
Excellent
Sat
4 May
44
Excellent
Sun
5 May
54
Good
Air quality in the last 12 months (Lianyuan)
|
2024/02
|
31
|
22
|
25
|
48
|
65
|
52
|
68
|
73
|
100
|
271
|
136
|
104
|
78
|
50
|
51
|
52
|
55
|
48
|
87
|
44
|
15
|
22
|
31
|
37
|
51
|
45
|
65
|
79
|
65
|
||
|
2024/01
|
100
|
82
|
66
|
79
|
88
|
89
|
104
|
108
|
109
|
100
|
109
|
91
|
82
|
87
|
148
|
121
|
63
|
22
|
14
|
26
|
60
|
51
|
54
|
50
|
55
|
60
|
70
|
73
|
96
|
88
|
57
|
|
2023/12
|
38
|
69
|
95
|
71
|
70
|
66
|
66
|
80
|
110
|
88
|
18
|
43
|
78
|
66
|
22
|
38
|
46
|
45
|
54
|
65
|
71
|
61
|
72
|
80
|
81
|
94
|
108
|
137
|
214
|
221
|
146
|
|
2023/11
|
66
|
70
|
83
|
81
|
63
|
29
|
42
|
52
|
34
|
25
|
15
|
18
|
56
|
60
|
53
|
37
|
53
|
64
|
66
|
62
|
73
|
75
|
75
|
66
|
71
|
87
|
106
|
97
|
95
|
77
|
|
|
2023/10
|
34
|
39
|
32
|
34
|
20
|
47
|
23
|
32
|
34
|
50
|
51
|
61
|
64
|
51
|
61
|
66
|
71
|
84
|
72
|
33
|
46
|
54
|
75
|
90
|
84
|
29
|
41
|
42
|
53
|
56
|
55
|
|
2023/09
|
48
|
43
|
35
|
44
|
49
|
41
|
32
|
30
|
43
|
50
|
46
|
31
|
24
|
30
|
34
|
38
|
39
|
44
|
39
|
35
|
20
|
22
|
25
|
29
|
31
|
39
|
49
|
49
|
51
|
88
|
|
|
2023/08
|
30
|
25
|
35
|
43
|
50
|
44
|
34
|
39
|
26
|
36
|
52
|
57
|
50
|
34
|
43
|
45
|
45
|
42
|
61
|
64
|
50
|
34
|
42
|
45
|
49
|
51
|
37
|
23
|
35
|
40
|
38
|
|
2023/07
|
43
|
44
|
34
|
28
|
26
|
28
|
28
|
30
|
30
|
32
|
31
|
32
|
33
|
35
|
35
|
55
|
47
|
39
|
24
|
26
|
27
|
26
|
26
|
38
|
43
|
34
|
32
|
27
|
25
|
37
|
35
|
|
2023/06
|
42
|
59
|
66
|
60
|
43
|
30
|
42
|
35
|
45
|
60
|
57
|
53
|
34
|
47
|
51
|
62
|
46
|
31
|
27
|
22
|
31
|
23
|
23
|
30
|
33
|
33
|
29
|
31
|
32
|
38
|
|
|
2023/05
|
72
|
62
|
45
|
43
|
30
|
27
|
36
|
50
|
60
|
37
|
31
|
45
|
56
|
75
|
89
|
67
|
37
|
40
|
50
|
61
|
55
|
28
|
45
|
42
|
47
|
42
|
34
|
37
|
43
|
48
|
33
|
|
2023/04
|
58
|
55
|
44
|
25
|
28
|
29
|
56
|
78
|
67
|
66
|
51
|
74
|
71
|
55
|
75
|
68
|
62
|
40
|
37
|
54
|
58
|
40
|
17
|
18
|
22
|
36
|
50
|
40
|
100
|
98
|
|
|
2023/03
|
94
|
111
|
121
|
90
|
83
|
76
|
91
|
81
|
60
|
65
|
65
|
120
|
102
|
81
|
74
|
96
|
29
|
37
|
21
|
46
|
49
|
35
|
30
|
31
|
58
|
54
|
55
|
61
|
58
|
45
|
53
|
|
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