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
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Real-time AQI (Monitoring Station in Miaoli)
头份
375
PM2.5
4
PM10
80
O3
0.2
CO
5
SO2
10
NO2
苗栗
353
PM2.5
2
PM10
70
O3
0.1
CO
4
SO2
12
NO2
Air quality in the last 12 months (Miaoli)
|
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
|
|
2024/06
|
11
|
9
|
18
|
32
|
30
|
19
|
20
|
15
|
22
|
14
|
15
|
28
|
28
|
29
|
21
|
18
|
18
|
15
|
18
|
21
|
28
|
34
|
27
|
18
|
18
|
22
|
31
|
18
|
19
|
20
|
|
|
2024/05
|
19
|
22
|
26
|
34
|
43
|
47
|
33
|
41
|
26
|
31
|
32
|
34
|
31
|
30
|
41
|
40
|
34
|
37
|
25
|
22
|
12
|
15
|
27
|
32
|
22
|
25
|
18
|
22
|
25
|
27
|
35
|
|
2024/04
|
37
|
57
|
40
|
30
|
26
|
35
|
18
|
36
|
26
|
50
|
48
|
42
|
26
|
30
|
54
|
34
|
38
|
37
|
87
|
75
|
40
|
30
|
32
|
28
|
46
|
48
|
39
|
21
|
38
|
21
|
|
|
2024/03
|
19
|
41
|
47
|
51
|
52
|
22
|
47
|
61
|
60
|
45
|
45
|
37
|
57
|
61
|
44
|
45
|
68
|
48
|
47
|
65
|
59
|
67
|
61
|
37
|
29
|
41
|
28
|
53
|
46
|
61
|
43
|
|
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