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
18 Mar
Thu
19 Mar
Fri
20 Mar
Sat
21 Mar
Real-time AQI (Monitoring Station in Miaoli)
头份
5015
PM2.5
29
PM10
107
O3
0.2
CO
4
SO2
6
NO2
苗栗
4914
PM2.5
26
PM10
128
O3
0.1
CO
5
SO2
8
NO2
三义
8914
PM2.5
33
PM10
130 *
O3
0.2
CO
7
SO2
8
NO2
Air quality in the last 12 months (Miaoli)
|
2026/02
|
19
|
38
|
51
|
32
|
36
|
41
|
25
|
44
|
39
|
37
|
44
|
56
|
48
|
51
|
32
|
36
|
33
|
47
|
52
|
70
|
56
|
65
|
103
|
70
|
29
|
45
|
51
|
27
|
|||
|
2026/01
|
22
|
27
|
40
|
31
|
47
|
35
|
43
|
49
|
58
|
55
|
62
|
58
|
58
|
50
|
46
|
50
|
50
|
21
|
32
|
28
|
40
|
51
|
43
|
43
|
42
|
32
|
23
|
28
|
35
|
36
|
18
|
|
2025/12
|
44
|
44
|
50
|
36
|
31
|
30
|
32
|
43
|
39
|
29
|
36
|
48
|
49
|
40
|
51
|
41
|
49
|
58
|
49
|
48
|
68
|
27
|
33
|
50
|
23
|
34
|
24
|
27
|
30
|
42
|
34
|
|
2025/11
|
30
|
54
|
43
|
16
|
19
|
22
|
37
|
35
|
32
|
42
|
22
|
8
|
12
|
35
|
42
|
31
|
33
|
25
|
29
|
41
|
46
|
50
|
43
|
41
|
52
|
76
|
60
|
104
|
81
|
53
|
|
|
2025/10
|
21
|
15
|
17
|
19
|
26
|
30
|
21
|
25
|
22
|
23
|
23
|
21
|
20
|
32
|
17
|
29
|
30
|
33
|
26
|
27
|
19
|
24
|
30
|
30
|
35
|
47
|
42
|
24
|
24
|
32
|
36
|
|
2025/09
|
24
|
33
|
30
|
33
|
23
|
21
|
18
|
21
|
20
|
28
|
25
|
26
|
36
|
30
|
24
|
23
|
20
|
22
|
18
|
22
|
24
|
25
|
31
|
31
|
21
|
18
|
18
|
19
|
24
|
23
|
|
|
2025/08
|
34
|
32
|
34
|
19
|
18
|
31
|
42
|
47
|
31
|
21
|
24
|
24
|
31
|
28
|
19
|
20
|
22
|
16
|
22
|
32
|
33
|
31
|
25
|
22
|
18
|
14
|
14
|
16
|
17
|
17
|
17
|
|
2025/07
|
18
|
21
|
25
|
26
|
17
|
18
|
24
|
41
|
31
|
16
|
12
|
26
|
38
|
41
|
35
|
38
|
34
|
22
|
31
|
32
|
19
|
18
|
20
|
23
|
20
|
31
|
32
|
31
|
20
|
38
|
47
|
|
2025/06
|
45
|
39
|
16
|
27
|
28
|
23
|
19
|
26
|
23
|
21
|
19
|
23
|
26
|
27
|
31
|
28
|
27
|
28
|
24
|
20
|
21
|
26
|
30
|
32
|
22
|
18
|
18
|
22
|
16
|
14
|
|
|
2025/05
|
51
|
52
|
49
|
33
|
43
|
41
|
46
|
52
|
46
|
30
|
29
|
36
|
30
|
28
|
23
|
23
|
24
|
18
|
25
|
34
|
24
|
38
|
45
|
20
|
52
|
40
|
26
|
20
|
13
|
36
|
43
|
|
2025/04
|
23
|
37
|
42
|
40
|
47
|
47
|
53
|
56
|
51
|
44
|
38
|
19
|
110
|
98
|
78
|
67
|
65
|
51
|
46
|
30
|
44
|
42
|
32
|
24
|
21
|
29
|
32
|
43
|
31
|
35
|
|
|
2025/03
|
60
|
37
|
26
|
21
|
13
|
15
|
37
|
44
|
29
|
29
|
43
|
36
|
29
|
28
|
32
|
26
|
49
|
47
|
45
|
47
|
47
|
47
|
61
|
71
|
60
|
39
|
48
|
52
|
51
|
19
|
15
|
|
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