Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
96
*
PM10
90
O3
0.6
CO
13
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 May
79
Good
Thu
8 May
75
Good
Fri
9 May
90
Good
Sat
10 May
73
Good
Sun
11 May
76
Good
Mon
12 May
85
Good
Tue
13 May
49
Excellent
Air quality in the last 12 months (Lan County)
|
2025/02
|
81
|
55
|
25
|
36
|
32
|
107
|
36
|
35
|
46
|
63
|
69
|
60
|
49
|
58
|
68
|
59
|
54
|
64
|
55
|
61
|
66
|
47
|
33
|
50
|
52
|
67
|
71
|
63
|
|||
|
2025/01
|
64
|
54
|
51
|
64
|
72
|
41
|
36
|
39
|
39
|
51
|
61
|
45
|
83
|
44
|
49
|
55
|
62
|
57
|
57
|
51
|
65
|
89
|
118
|
147
|
100
|
80
|
26
|
46
|
158
|
107
|
119
|
|
2024/12
|
61
|
50
|
55
|
47
|
37
|
39
|
39
|
41
|
61
|
61
|
79
|
81
|
81
|
51
|
57
|
61
|
59
|
50
|
62
|
54
|
41
|
53
|
67
|
75
|
67
|
58
|
36
|
49
|
66
|
79
|
70
|
|
2024/11
|
43
|
70
|
55
|
34
|
48
|
62
|
89
|
103
|
112
|
109
|
93
|
79
|
60
|
58
|
62
|
70
|
51
|
58
|
63
|
55
|
57
|
65
|
89
|
109
|
48
|
52
|
67
|
41
|
40
|
60
|
|
|
2024/10
|
62
|
30
|
41
|
57
|
63
|
55
|
34
|
43
|
46
|
39
|
50
|
60
|
63
|
71
|
53
|
91
|
77
|
21
|
26
|
24
|
44
|
36
|
51
|
54
|
70
|
56
|
42
|
56
|
65
|
62
|
57
|
|
2024/09
|
35
|
24
|
42
|
50
|
22
|
46
|
32
|
55
|
51
|
25
|
29
|
39
|
45
|
32
|
44
|
53
|
58
|
51
|
44
|
34
|
23
|
37
|
51
|
59
|
58
|
48
|
70
|
68
|
32
|
24
|
|
|
2024/08
|
40
|
50
|
41
|
38
|
33
|
38
|
22
|
32
|
39
|
52
|
22
|
27
|
32
|
45
|
39
|
42
|
49
|
44
|
37
|
37
|
43
|
46
|
57
|
55
|
53
|
21
|
30
|
37
|
45
|
49
|
55
|
|
2024/07
|
49
|
39
|
52
|
43
|
46
|
37
|
42
|
51
|
47
|
46
|
56
|
46
|
56
|
54
|
55
|
31
|
36
|
42
|
47
|
44
|
61
|
74
|
63
|
36
|
35
|
46
|
52
|
51
|
53
|
29
|
34
|
|
2024/06
|
43
|
51
|
48
|
57
|
51
|
61
|
39
|
45
|
47
|
49
|
63
|
62
|
60
|
44
|
42
|
55
|
52
|
58
|
59
|
61
|
44
|
82
|
125
|
71
|
60
|
77
|
61
|
69
|
57
|
42
|
|
|
2024/05
|
42
|
58
|
64
|
44
|
47
|
37
|
40
|
55
|
60
|
74
|
102
|
39
|
48
|
70
|
55
|
70
|
84
|
90
|
77
|
63
|
61
|
68
|
59
|
71
|
40
|
42
|
37
|
52
|
49
|
61
|
41
|
|
2024/04
|
83
|
92
|
56
|
62
|
70
|
63
|
58
|
59
|
69
|
56
|
62
|
65
|
68
|
94
|
95
|
50
|
65
|
71
|
55
|
28
|
48
|
110
|
77
|
69
|
81
|
75
|
73
|
68
|
41
|
32
|
|
|
2024/03
|
43
|
64
|
61
|
86
|
121
|
50
|
50
|
42
|
69
|
81
|
62
|
48
|
59
|
65
|
83
|
179
|
73
|
120
|
64
|
59
|
93
|
139
|
96
|
40
|
49
|
66
|
80
|
249
|
98
|
50
|
66
|
|
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