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
21 Jul
Tue
22 Jul
Wed
23 Jul
Thu
24 Jul
Miaoli Air quality rank
Real-time AQI (Monitoring Station in Miaoli)
头份
212
PM2.5
7
PM10
51
O3
0.1
CO
4
SO2
12
NO2
苗栗
264
PM2.5
14
PM10
54
O3
0.2
CO
6
SO2
21
NO2
三义
242
PM2.5
4
PM10
62
O3
0.1
CO
3
SO2
8
NO2
Air quality in the last 12 months (Miaoli)
|
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
|
|
2025/02
|
35
|
15
|
24
|
70
|
55
|
35
|
27
|
49
|
32
|
32
|
40
|
65
|
76
|
54
|
44
|
64
|
69
|
34
|
37
|
21
|
20
|
33
|
17
|
70
|
63
|
54
|
64
|
73
|
|||
|
2025/01
|
50
|
34
|
33
|
31
|
34
|
49
|
65
|
45
|
51
|
39
|
33
|
46
|
45
|
43
|
79
|
51
|
54
|
41
|
43
|
53
|
84
|
49
|
41
|
20
|
34
|
34
|
20
|
43
|
50
|
32
|
36
|
|
2024/12
|
38
|
43
|
31
|
34
|
28
|
30
|
23
|
63
|
25
|
20
|
25
|
20
|
24
|
63
|
74
|
49
|
38
|
45
|
43
|
20
|
41
|
55
|
21
|
19
|
18
|
48
|
69
|
73
|
37
|
39
|
48
|
|
2024/11
|
18
|
18
|
37
|
38
|
48
|
37
|
33
|
30
|
23
|
21
|
19
|
23
|
27
|
22
|
21
|
12
|
22
|
31
|
18
|
14
|
19
|
27
|
32
|
22
|
27
|
19
|
40
|
31
|
41
|
39
|
|
|
2024/10
|
17
|
14
|
18
|
15
|
18
|
19
|
15
|
17
|
36
|
43
|
43
|
31
|
25
|
27
|
26
|
26
|
35
|
34
|
29
|
21
|
28
|
35
|
43
|
35
|
21
|
22
|
23
|
22
|
37
|
37
|
24
|
|
2024/09
|
30
|
27
|
26
|
24
|
22
|
19
|
19
|
14
|
22
|
42
|
51
|
33
|
17
|
21
|
28
|
22
|
27
|
27
|
22
|
21
|
24
|
10
|
12
|
16
|
23
|
13
|
19
|
25
|
25
|
19
|
|
|
2024/08
|
28
|
45
|
44
|
36
|
35
|
21
|
28
|
37
|
43
|
48
|
49
|
52
|
47
|
35
|
28
|
14
|
21
|
21
|
16
|
11
|
22
|
28
|
36
|
42
|
32
|
36
|
48
|
42
|
38
|
33
|
34
|
|
2024/07
|
21
|
20
|
20
|
22
|
27
|
20
|
18
|
18
|
17
|
19
|
27
|
30
|
26
|
25
|
20
|
18
|
21
|
20
|
26
|
25
|
21
|
19
|
23
|
18
|
17
|
18
|
20
|
27
|
21
|
16
|
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