Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
PM2.5
56
*
PM10
23
O3
1.0
CO
4
SO2
38
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Nov
69
Good
Tue
10 Nov
120
Light
Wed
11 Nov
120
Light
Thu
12 Nov
94
Good
Fri
13 Nov
95
Good
Sat
14 Nov
119
Light
Sun
15 Nov
46
Excellent
Air quality in the last 12 months (Yilan)
|
2026/08
|
18
|
19
|
23
|
27
|
29
|
27
|
19
|
23
|
26
|
28
|
33
|
24
|
22
|
23
|
25
|
28
|
29
|
24
|
19
|
27
|
35
|
27
|
19
|
18
|
27
|
23
|
24
|
29
|
25
|
20
|
20
|
|
2026/07
|
33
|
29
|
28
|
25
|
28
|
27
|
22
|
16
|
22
|
24
|
24
|
20
|
26
|
29
|
31
|
21
|
27
|
39
|
31
|
31
|
28
|
34
|
40
|
28
|
23
|
23
|
16
|
27
|
25
|
22
|
19
|
|
2026/06
|
46
|
25
|
23
|
16
|
15
|
18
|
18
|
16
|
19
|
23
|
26
|
27
|
23
|
21
|
26
|
24
|
23
|
27
|
34
|
27
|
23
|
26
|
28
|
36
|
33
|
28
|
25
|
24
|
27
|
34
|
|
|
2026/05
|
33
|
34
|
29
|
34
|
57
|
31
|
26
|
25
|
30
|
40
|
41
|
48
|
110
|
42
|
37
|
33
|
31
|
25
|
44
|
35
|
39
|
35
|
34
|
31
|
34
|
25
|
23
|
22
|
25
|
22
|
33
|
|
2026/04
|
83
|
179
|
99
|
45
|
44
|
36
|
25
|
48
|
58
|
31
|
30
|
32
|
26
|
37
|
48
|
53
|
54
|
33
|
35
|
56
|
43
|
26
|
33
|
38
|
30
|
28
|
34
|
35
|
34
|
45
|
|
|
2026/03
|
38
|
40
|
39
|
47
|
50
|
50
|
44
|
39
|
46
|
38
|
52
|
47
|
48
|
48
|
50
|
54
|
80
|
77
|
64
|
52
|
131
|
122
|
76
|
104
|
158
|
135
|
121
|
141
|
96
|
38
|
76
|
|
2026/02
|
61
|
65
|
58
|
74
|
42
|
31
|
37
|
39
|
60
|
85
|
74
|
57
|
82
|
58
|
35
|
51
|
82
|
30
|
50
|
51
|
77
|
71
|
61
|
46
|
49
|
55
|
42
|
37
|
|||
|
2026/01
|
34
|
42
|
63
|
53
|
46
|
59
|
49
|
38
|
62
|
67
|
59
|
66
|
67
|
48
|
64
|
56
|
62
|
67
|
76
|
48
|
41
|
40
|
50
|
51
|
40
|
45
|
56
|
70
|
49
|
43
|
45
|
|
2025/12
|
55
|
48
|
43
|
42
|
44
|
50
|
68
|
66
|
55
|
47
|
38
|
42
|
68
|
94
|
87
|
48
|
51
|
78
|
63
|
48
|
45
|
71
|
57
|
62
|
62
|
44
|
60
|
64
|
51
|
46
|
41
|
|
2025/11
|
90
|
52
|
43
|
50
|
99
|
93
|
58
|
82
|
62
|
31
|
57
|
62
|
48
|
61
|
68
|
75
|
52
|
49
|
85
|
93
|
55
|
129
|
156
|
105
|
67
|
97
|
88
|
72
|
60
|
50
|
|
|
2025/10
|
27
|
26
|
37
|
30
|
25
|
21
|
32
|
29
|
31
|
39
|
58
|
33
|
35
|
39
|
45
|
29
|
45
|
26
|
26
|
26
|
31
|
38
|
46
|
47
|
141
|
194
|
82
|
49
|
101
|
87
|
62
|
|
2025/09
|
24
|
19
|
18
|
31
|
28
|
17
|
16
|
16
|
16
|
18
|
22
|
27
|
32
|
30
|
19
|
20
|
16
|
16
|
19
|
24
|
21
|
20
|
24
|
29
|
21
|
19
|
27
|
26
|
29
|
39
|
|
|
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