Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Dec
Sun
15 Dec
Mon
16 Dec
Tue
17 Dec
Real-time AQI (Monitoring Station in Yilan)
宜兰
7036 *
PM2.5
49
PM10
77
O3
0.5
CO
4
SO2
14
NO2
冬山
5919 *
PM2.5
31
PM10
71
O3
0.5
CO
3
SO2
10
NO2
Air quality in the last 12 months (Yilan)
|
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
|
|
|
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
|
|
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