Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
72
*
PM10
45
O3
0.4
CO
4
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Dec
83
Good
Sat
13 Dec
70
Good
Sun
14 Dec
84
Good
Mon
15 Dec
82
Good
Tue
16 Dec
75
Good
Wed
17 Dec
77
Good
Thu
18 Dec
23
Excellent
Lan County Air quality rank
Air quality in the last 12 months (Lan County)
|
2025/11
|
39
|
39
|
68
|
73
|
93
|
106
|
40
|
75
|
65
|
65
|
70
|
59
|
52
|
58
|
68
|
45
|
25
|
34
|
58
|
57
|
59
|
60
|
81
|
132
|
70
|
194
|
115
|
97
|
86
|
92
|
|
|
2025/10
|
54
|
33
|
37
|
49
|
56
|
29
|
34
|
15
|
9
|
12
|
41
|
33
|
37
|
49
|
45
|
58
|
30
|
43
|
38
|
50
|
60
|
73
|
66
|
69
|
82
|
40
|
42
|
60
|
72
|
76
|
51
|
|
2025/09
|
45
|
49
|
36
|
36
|
39
|
58
|
56
|
50
|
54
|
57
|
47
|
28
|
50
|
54
|
61
|
26
|
26
|
21
|
25
|
45
|
39
|
21
|
40
|
42
|
51
|
52
|
36
|
41
|
58
|
59
|
|
|
2025/08
|
56
|
52
|
52
|
35
|
33
|
41
|
40
|
42
|
25
|
34
|
38
|
45
|
42
|
52
|
42
|
26
|
34
|
43
|
39
|
30
|
24
|
34
|
15
|
32
|
38
|
31
|
26
|
26
|
31
|
42
|
46
|
|
2025/07
|
32
|
38
|
28
|
30
|
17
|
30
|
33
|
39
|
33
|
44
|
56
|
60
|
53
|
47
|
59
|
34
|
31
|
42
|
51
|
35
|
29
|
42
|
37
|
25
|
33
|
32
|
28
|
47
|
22
|
35
|
46
|
|
2025/06
|
48
|
25
|
30
|
28
|
44
|
46
|
54
|
48
|
50
|
37
|
53
|
62
|
41
|
35
|
20
|
24
|
36
|
44
|
34
|
31
|
30
|
44
|
46
|
49
|
51
|
41
|
42
|
32
|
30
|
45
|
|
|
2025/05
|
56
|
73
|
28
|
57
|
137
|
61
|
72
|
72
|
30
|
42
|
42
|
54
|
79
|
35
|
42
|
138
|
141
|
55
|
65
|
66
|
74
|
91
|
35
|
45
|
42
|
37
|
40
|
57
|
60
|
60
|
35
|
|
2025/04
|
53
|
41
|
87
|
116
|
48
|
71
|
85
|
72
|
63
|
49
|
199
|
104
|
59
|
25
|
49
|
147
|
201
|
78
|
61
|
78
|
85
|
71
|
63
|
42
|
58
|
63
|
42
|
38
|
60
|
106
|
|
|
2025/03
|
90
|
75
|
36
|
54
|
63
|
41
|
66
|
61
|
74
|
78
|
167
|
153
|
80
|
85
|
43
|
25
|
34
|
33
|
41
|
41
|
53
|
71
|
148
|
317
|
360
|
216
|
216
|
92
|
35
|
35
|
41
|
|
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
|
|
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