Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Nov
Wed
27 Nov
Thu
28 Nov
Fri
29 Nov
Real-time AQI (Monitoring Station in Yilan)
宜兰
2311
PM2.5
21
PM10
70
O3
0.3
CO
4
SO2
12
NO2
冬山
248
PM2.5
32
PM10
71
O3
0.3
CO
2
SO2
18
NO2
Air quality in the last 12 months (Yilan)
|
2024/10
|
17
|
14
|
19
|
15
|
15
|
18
|
16
|
18
|
36
|
43
|
42
|
29
|
23
|
26
|
23
|
25
|
34
|
33
|
28
|
21
|
29
|
36
|
41
|
33
|
21
|
20
|
22
|
22
|
36
|
34
|
22
|
|
2024/09
|
28
|
24
|
23
|
24
|
21
|
18
|
18
|
12
|
23
|
39
|
47
|
31
|
16
|
21
|
27
|
21
|
28
|
26
|
20
|
21
|
23
|
12
|
13
|
14
|
20
|
14
|
21
|
25
|
25
|
20
|
|
|
2024/08
|
28
|
46
|
44
|
37
|
33
|
20
|
29
|
35
|
40
|
45
|
48
|
52
|
47
|
33
|
29
|
15
|
21
|
19
|
15
|
12
|
22
|
27
|
35
|
40
|
28
|
31
|
45
|
38
|
37
|
30
|
31
|
|
2024/07
|
22
|
21
|
23
|
22
|
27
|
21
|
19
|
20
|
18
|
21
|
30
|
32
|
28
|
26
|
19
|
16
|
20
|
21
|
26
|
22
|
20
|
17
|
23
|
19
|
21
|
20
|
22
|
26
|
21
|
16
|
16
|
|
2024/06
|
11
|
9
|
18
|
33
|
30
|
17
|
18
|
16
|
20
|
13
|
15
|
27
|
27
|
28
|
21
|
17
|
18
|
15
|
19
|
24
|
32
|
35
|
31
|
19
|
18
|
22
|
34
|
19
|
20
|
20
|
|
|
2024/05
|
19
|
23
|
27
|
36
|
48
|
48
|
34
|
40
|
25
|
32
|
31
|
34
|
32
|
29
|
41
|
38
|
32
|
35
|
24
|
23
|
14
|
17
|
27
|
28
|
20
|
24
|
18
|
21
|
23
|
25
|
34
|
|
2024/04
|
38
|
56
|
42
|
29
|
29
|
38
|
21
|
38
|
28
|
50
|
48
|
39
|
26
|
28
|
53
|
34
|
36
|
38
|
93
|
77
|
42
|
28
|
30
|
29
|
43
|
49
|
39
|
23
|
39
|
21
|
|
|
2024/03
|
20
|
44
|
50
|
52
|
51
|
20
|
46
|
62
|
60
|
42
|
44
|
41
|
56
|
58
|
43
|
44
|
64
|
48
|
49
|
68
|
61
|
65
|
59
|
40
|
30
|
40
|
27
|
53
|
48
|
60
|
46
|
|
2024/02
|
43
|
26
|
25
|
21
|
23
|
30
|
23
|
36
|
78
|
120
|
61
|
62
|
62
|
90
|
75
|
32
|
36
|
80
|
61
|
44
|
32
|
19
|
23
|
26
|
29
|
44
|
35
|
43
|
44
|
||
|
2024/01
|
75
|
41
|
58
|
52
|
57
|
66
|
103
|
50
|
43
|
70
|
104
|
100
|
54
|
32
|
78
|
28
|
34
|
47
|
46
|
32
|
24
|
23
|
26
|
31
|
43
|
60
|
79
|
85
|
78
|
34
|
35
|
|
2023/12
|
43
|
41
|
44
|
28
|
31
|
42
|
53
|
54
|
61
|
44
|
57
|
27
|
33
|
36
|
60
|
50
|
54
|
50
|
39
|
36
|
54
|
45
|
40
|
43
|
58
|
55
|
41
|
30
|
31
|
49
|
92
|
|
2023/11
|
29
|
29
|
27
|
24
|
28
|
47
|
37
|
43
|
44
|
30
|
22
|
23
|
32
|
34
|
35
|
31
|
53
|
60
|
48
|
47
|
38
|
36
|
43
|
78
|
30
|
25
|
45
|
54
|
53
|
60
|
|
|
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
*: primary pollution