Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
58
*
PM10
97
O3
0.5
CO
6
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Apr
171
Moderate
Tue
22 Apr
140
Light
Wed
23 Apr
89
Good
Thu
24 Apr
72
Good
Fri
25 Apr
71
Good
Sat
26 Apr
72
Good
Sun
27 Apr
29
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