Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
63
*
PM10
69
O3
0.1
CO
4
SO2
1
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Nov
70
Good
Thu
27 Nov
50
Excellent
Fri
28 Nov
60
Good
Sat
29 Nov
60
Good
Real-time AQI (Monitoring Station in Yilan)
宜兰
7823
PM2.5
72 *
PM10
74
O3
0.1
CO
4
SO2
2
NO2
Air quality in the last 12 months (Yilan)
|
2025/10
|
18
|
15
|
16
|
17
|
23
|
28
|
20
|
24
|
21
|
22
|
22
|
19
|
16
|
30
|
15
|
28
|
30
|
33
|
26
|
28
|
21
|
26
|
30
|
30
|
35
|
46
|
41
|
23
|
23
|
30
|
32
|
|
2025/09
|
21
|
31
|
28
|
30
|
22
|
23
|
19
|
22
|
21
|
28
|
24
|
26
|
37
|
29
|
22
|
22
|
21
|
22
|
18
|
22
|
23
|
25
|
31
|
31
|
21
|
18
|
17
|
18
|
22
|
20
|
|
|
2025/08
|
34
|
32
|
37
|
21
|
18
|
32
|
44
|
48
|
34
|
24
|
27
|
24
|
30
|
28
|
20
|
20
|
22
|
16
|
20
|
32
|
33
|
30
|
22
|
19
|
15
|
14
|
12
|
16
|
17
|
16
|
15
|
|
2025/07
|
18
|
22
|
24
|
24
|
16
|
17
|
23
|
38
|
27
|
16
|
13
|
26
|
37
|
40
|
34
|
38
|
32
|
20
|
31
|
33
|
20
|
19
|
21
|
23
|
20
|
29
|
28
|
29
|
20
|
34
|
47
|
|
2025/06
|
44
|
41
|
16
|
27
|
28
|
24
|
19
|
27
|
23
|
20
|
17
|
24
|
27
|
29
|
32
|
26
|
29
|
28
|
24
|
20
|
24
|
28
|
30
|
33
|
22
|
20
|
19
|
23
|
16
|
13
|
|
|
2025/05
|
46
|
48
|
48
|
31
|
42
|
41
|
47
|
54
|
53
|
32
|
29
|
35
|
28
|
25
|
21
|
22
|
27
|
18
|
25
|
32
|
23
|
37
|
44
|
22
|
51
|
39
|
23
|
22
|
15
|
37
|
43
|
|
2025/04
|
27
|
40
|
43
|
38
|
43
|
44
|
51
|
54
|
47
|
42
|
35
|
21
|
106
|
96
|
75
|
65
|
65
|
48
|
46
|
28
|
42
|
43
|
32
|
26
|
23
|
32
|
35
|
42
|
29
|
33
|
|
|
2025/03
|
55
|
37
|
27
|
21
|
13
|
15
|
36
|
44
|
28
|
27
|
43
|
34
|
29
|
31
|
31
|
30
|
49
|
49
|
44
|
48
|
47
|
45
|
57
|
69
|
63
|
42
|
56
|
51
|
56
|
24
|
20
|
|
2025/02
|
32
|
16
|
27
|
70
|
56
|
37
|
30
|
47
|
32
|
31
|
38
|
57
|
71
|
49
|
42
|
69
|
70
|
33
|
40
|
24
|
21
|
35
|
19
|
72
|
63
|
59
|
65
|
67
|
|||
|
2025/01
|
48
|
30
|
32
|
28
|
32
|
50
|
65
|
46
|
51
|
38
|
34
|
48
|
47
|
43
|
76
|
49
|
56
|
44
|
46
|
59
|
89
|
48
|
37
|
20
|
34
|
33
|
22
|
41
|
50
|
32
|
35
|
|
2024/12
|
38
|
42
|
31
|
33
|
26
|
29
|
28
|
62
|
23
|
18
|
24
|
19
|
20
|
70
|
74
|
50
|
40
|
46
|
41
|
20
|
42
|
53
|
19
|
19
|
16
|
49
|
70
|
68
|
37
|
38
|
50
|
|
2024/11
|
17
|
17
|
38
|
38
|
46
|
33
|
32
|
30
|
23
|
21
|
19
|
23
|
28
|
22
|
19
|
11
|
20
|
29
|
18
|
15
|
21
|
28
|
30
|
21
|
30
|
19
|
40
|
34
|
42
|
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