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
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Real-time AQI (Monitoring Station in Yilan)
宜兰
3314
PM2.5
23
PM10
35
O3
0.3
CO
8
SO2
18
NO2
冬山
2810
PM2.5
26
PM10
44
O3
0.3
CO
1
SO2
10
NO2
Air quality in the last 12 months (Yilan)
|
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
|
|
|
2023/10
|
31
|
41
|
38
|
44
|
36
|
24
|
22
|
23
|
26
|
30
|
37
|
35
|
33
|
36
|
51
|
62
|
51
|
41
|
38
|
43
|
31
|
28
|
27
|
28
|
24
|
21
|
28
|
32
|
32
|
32
|
30
|
|
2023/09
|
30
|
23
|
16
|
17
|
18
|
23
|
28
|
27
|
30
|
28
|
24
|
21
|
25
|
34
|
25
|
36
|
47
|
24
|
19
|
20
|
26
|
25
|
25
|
29
|
25
|
27
|
29
|
27
|
25
|
29
|
|
|
2023/08
|
32
|
33
|
32
|
43
|
43
|
49
|
45
|
32
|
37
|
36
|
27
|
19
|
23
|
30
|
32
|
42
|
41
|
34
|
23
|
23
|
32
|
30
|
28
|
35
|
23
|
17
|
21
|
29
|
24
|
24
|
27
|
|
2023/07
|
16
|
20
|
23
|
28
|
38
|
37
|
47
|
48
|
48
|
30
|
22
|
22
|
23
|
21
|
19
|
20
|
22
|
24
|
28
|
38
|
31
|
26
|
22
|
22
|
21
|
39
|
31
|
28
|
21
|
24
|
27
|
|
2023/06
|
18
|
32
|
42
|
37
|
35
|
34
|
26
|
31
|
22
|
21
|
33
|
24
|
25
|
24
|
36
|
29
|
25
|
33
|
31
|
32
|
33
|
28
|
26
|
24
|
22
|
22
|
24
|
28
|
24
|
16
|
|
|
2023/05
|
62
|
48
|
45
|
39
|
31
|
27
|
29
|
35
|
42
|
39
|
41
|
50
|
59
|
60
|
68
|
40
|
33
|
38
|
42
|
33
|
31
|
28
|
65
|
66
|
57
|
40
|
36
|
25
|
18
|
23
|
23
|
|
2023/04
|
37
|
44
|
48
|
67
|
53
|
43
|
47
|
61
|
33
|
35
|
52
|
67
|
133
|
78
|
65
|
59
|
53
|
40
|
30
|
47
|
45
|
61
|
70
|
61
|
34
|
49
|
49
|
45
|
59
|
40
|
|
|
2023/03
|
53
|
65
|
36
|
46
|
51
|
48
|
48
|
47
|
54
|
49
|
50
|
56
|
56
|
37
|
38
|
46
|
39
|
34
|
34
|
45
|
61
|
47
|
43
|
45
|
32
|
35
|
60
|
50
|
46
|
38
|
36
|
|
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