Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
64
*
PM2.5
85
PM10
57
O3
0.6
CO
8
SO2
24
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Mar
88
Good
Tue
24 Mar
108
Light
Wed
25 Mar
113
Light
Thu
26 Mar
88
Good
Fri
27 Mar
68
Good
Sat
28 Mar
74
Good
Sun
29 Mar
39
Excellent
Air quality in the last 12 months (Yilan)
|
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
|
|
|
2025/08
|
16
|
17
|
16
|
14
|
13
|
13
|
13
|
12
|
14
|
15
|
12
|
24
|
25
|
13
|
16
|
13
|
14
|
17
|
16
|
17
|
16
|
14
|
18
|
16
|
14
|
12
|
17
|
20
|
15
|
16
|
27
|
|
2025/07
|
17
|
16
|
14
|
18
|
18
|
15
|
14
|
17
|
15
|
13
|
19
|
19
|
16
|
14
|
13
|
12
|
15
|
17
|
17
|
11
|
11
|
21
|
19
|
20
|
14
|
12
|
16
|
12
|
18
|
9
|
13
|
|
2025/06
|
37
|
25
|
21
|
15
|
17
|
16
|
16
|
23
|
24
|
19
|
15
|
18
|
24
|
28
|
21
|
21
|
13
|
16
|
16
|
20
|
10
|
13
|
25
|
32
|
40
|
37
|
33
|
32
|
22
|
22
|
|
|
2025/05
|
38
|
37
|
24
|
24
|
22
|
28
|
31
|
26
|
26
|
24
|
43
|
66
|
69
|
47
|
30
|
26
|
25
|
21
|
24
|
25
|
29
|
19
|
19
|
23
|
16
|
21
|
29
|
35
|
44
|
45
|
47
|
|
2025/04
|
61
|
55
|
56
|
56
|
55
|
40
|
37
|
52
|
57
|
83
|
98
|
83
|
44
|
24
|
22
|
35
|
83
|
69
|
26
|
47
|
69
|
33
|
30
|
33
|
32
|
20
|
30
|
34
|
42
|
45
|
|
|
2025/03
|
25
|
35
|
32
|
42
|
47
|
54
|
51
|
46
|
61
|
79
|
63
|
49
|
27
|
26
|
28
|
27
|
30
|
35
|
41
|
70
|
54
|
18
|
32
|
43
|
40
|
52
|
29
|
20
|
20
|
28
|
41
|
|
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