Air Quality
Excellent
No health implications.
20
PM2.5
48
PM10
143
O3
0.2
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
91
Good
Mon
5 May
94
Good
Tue
6 May
93
Good
Wed
7 May
91
Good
Thu
8 May
93
Good
Fri
9 May
90
Good
Sat
10 May
48
Excellent
Air quality in the last 12 months (Lanshan)
|
2025/02
|
81
|
110
|
82
|
42
|
47
|
57
|
58
|
38
|
48
|
83
|
74
|
86
|
99
|
84
|
114
|
108
|
47
|
64
|
64
|
53
|
72
|
60
|
64
|
59
|
84
|
110
|
175
|
190
|
|||
|
2025/01
|
136
|
121
|
62
|
117
|
187
|
74
|
56
|
59
|
44
|
48
|
86
|
116
|
128
|
111
|
46
|
82
|
77
|
128
|
156
|
121
|
157
|
155
|
78
|
53
|
89
|
90
|
39
|
41
|
159
|
93
|
110
|
|
2024/12
|
98
|
90
|
48
|
107
|
184
|
144
|
80
|
52
|
80
|
106
|
62
|
47
|
89
|
75
|
93
|
111
|
97
|
43
|
49
|
108
|
63
|
56
|
80
|
119
|
159
|
84
|
64
|
70
|
84
|
120
|
95
|
|
2024/11
|
59
|
68
|
111
|
57
|
42
|
52
|
57
|
50
|
54
|
62
|
74
|
96
|
77
|
48
|
49
|
67
|
48
|
39
|
48
|
64
|
101
|
59
|
44
|
61
|
34
|
44
|
58
|
61
|
65
|
83
|
|
|
2024/10
|
25
|
24
|
40
|
63
|
44
|
42
|
55
|
45
|
75
|
74
|
111
|
111
|
58
|
62
|
88
|
65
|
44
|
14
|
38
|
37
|
57
|
51
|
49
|
76
|
75
|
55
|
78
|
40
|
95
|
123
|
87
|
|
2024/09
|
44
|
23
|
25
|
44
|
43
|
23
|
37
|
30
|
29
|
28
|
32
|
30
|
36
|
36
|
27
|
30
|
27
|
19
|
23
|
26
|
21
|
28
|
28
|
52
|
58
|
67
|
45
|
36
|
37
|
33
|
|
|
2024/08
|
29
|
21
|
27
|
33
|
27
|
16
|
27
|
24
|
32
|
36
|
96
|
48
|
56
|
33
|
36
|
37
|
30
|
23
|
22
|
18
|
33
|
50
|
83
|
50
|
51
|
32
|
14
|
23
|
31
|
42
|
53
|
|
2024/07
|
50
|
24
|
35
|
20
|
32
|
17
|
13
|
22
|
33
|
61
|
74
|
79
|
51
|
31
|
23
|
27
|
14
|
30
|
20
|
14
|
28
|
29
|
37
|
48
|
20
|
17
|
12
|
18
|
26
|
29
|
28
|
|
2024/06
|
29
|
54
|
60
|
59
|
39
|
45
|
42
|
60
|
82
|
69
|
68
|
61
|
62
|
71
|
34
|
46
|
45
|
49
|
37
|
30
|
34
|
42
|
69
|
119
|
79
|
33
|
32
|
42
|
27
|
41
|
|
|
2024/05
|
46
|
57
|
50
|
44
|
48
|
67
|
71
|
52
|
54
|
65
|
246
|
126
|
101
|
81
|
72
|
62
|
68
|
68
|
50
|
49
|
31
|
46
|
53
|
51
|
31
|
41
|
32
|
36
|
47
|
49
|
61
|
|
2024/04
|
86
|
75
|
36
|
44
|
63
|
79
|
73
|
78
|
95
|
70
|
65
|
61
|
32
|
28
|
51
|
95
|
110
|
95
|
83
|
51
|
65
|
63
|
51
|
76
|
69
|
64
|
46
|
38
|
56
|
51
|
|
|
2024/03
|
62
|
83
|
99
|
86
|
55
|
46
|
104
|
63
|
92
|
119
|
115
|
95
|
75
|
73
|
79
|
87
|
129
|
79
|
93
|
58
|
76
|
87
|
94
|
55
|
44
|
69
|
94
|
107
|
118
|
124
|
77
|
|
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