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
18 Jun
Fri
19 Jun
Sat
20 Jun
Sun
21 Jun
Real-time AQI (Monitoring Station in Miaoli)
头份
224
PM2.5
16
PM10
27
O3
0.2
CO
5
SO2
13
NO2
苗栗
259
PM2.5
9
PM10
56
O3
0.1
CO
5
SO2
12
NO2
三义
296
PM2.5
11
PM10
56
O3
0.1
CO
2
SO2
0
NO2
Air quality in the last 12 months (Miaoli)
|
2026/05
|
42
|
45
|
38
|
32
|
32
|
34
|
31
|
37
|
33
|
31
|
35
|
32
|
27
|
27
|
29
|
32
|
34
|
31
|
33
|
37
|
39
|
45
|
41
|
41
|
43
|
41
|
42
|
31
|
45
|
49
|
44
|
|
2026/04
|
34
|
38
|
39
|
31
|
37
|
33
|
38
|
43
|
47
|
40
|
32
|
27
|
43
|
29
|
28
|
33
|
39
|
35
|
36
|
39
|
38
|
42
|
34
|
28
|
37
|
43
|
42
|
46
|
31
|
29
|
|
|
2026/03
|
35
|
44
|
27
|
33
|
27
|
40
|
47
|
35
|
37
|
43
|
39
|
43
|
56
|
42
|
42
|
32
|
39
|
49
|
28
|
41
|
36
|
38
|
32
|
30
|
40
|
34
|
41
|
37
|
51
|
42
|
42
|
|
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
|
|
|
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