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
5 Mar
Fri
6 Mar
Sat
7 Mar
Sun
8 Mar
Real-time AQI (Monitoring Station in Hsinchu)
湖口
306
PM2.5
21
PM10
69
O3
0.1
CO
4
SO2
18
NO2
竹东
197
PM2.5
9
PM10
21
O3
0.2
CO
4
SO2
14
NO2
Air quality in the last 12 months (Hsinchu)
|
2026/01
|
22
|
27
|
39
|
32
|
46
|
36
|
43
|
50
|
59
|
55
|
62
|
58
|
58
|
50
|
46
|
51
|
49
|
21
|
33
|
27
|
39
|
50
|
43
|
44
|
44
|
32
|
22
|
28
|
35
|
35
|
17
|
|
2025/12
|
44
|
45
|
50
|
36
|
30
|
29
|
32
|
43
|
38
|
29
|
35
|
47
|
49
|
39
|
52
|
40
|
49
|
58
|
49
|
47
|
68
|
27
|
33
|
51
|
23
|
34
|
23
|
27
|
30
|
42
|
33
|
|
2025/11
|
30
|
54
|
42
|
15
|
19
|
22
|
38
|
35
|
31
|
41
|
22
|
8
|
12
|
35
|
42
|
31
|
32
|
23
|
29
|
41
|
46
|
51
|
43
|
40
|
53
|
76
|
60
|
104
|
81
|
53
|
|
|
2025/10
|
20
|
15
|
16
|
18
|
25
|
29
|
21
|
25
|
21
|
22
|
23
|
20
|
19
|
31
|
16
|
29
|
29
|
32
|
25
|
26
|
19
|
24
|
29
|
29
|
34
|
46
|
41
|
23
|
24
|
31
|
34
|
|
2025/09
|
23
|
32
|
29
|
33
|
22
|
21
|
18
|
21
|
20
|
28
|
25
|
26
|
37
|
30
|
23
|
21
|
21
|
20
|
17
|
22
|
24
|
24
|
30
|
30
|
21
|
18
|
17
|
18
|
23
|
22
|
|
|
2025/08
|
34
|
32
|
34
|
19
|
17
|
31
|
42
|
47
|
33
|
23
|
25
|
24
|
31
|
28
|
19
|
20
|
21
|
16
|
21
|
32
|
33
|
30
|
24
|
21
|
17
|
14
|
13
|
15
|
16
|
16
|
17
|
|
2025/07
|
17
|
21
|
24
|
25
|
16
|
18
|
23
|
39
|
29
|
16
|
12
|
25
|
37
|
41
|
35
|
38
|
34
|
21
|
30
|
31
|
18
|
18
|
20
|
22
|
20
|
29
|
30
|
30
|
19
|
36
|
47
|
|
2025/06
|
45
|
40
|
16
|
27
|
28
|
24
|
19
|
27
|
23
|
20
|
18
|
22
|
25
|
27
|
30
|
27
|
28
|
28
|
24
|
20
|
22
|
27
|
31
|
32
|
23
|
19
|
19
|
22
|
16
|
14
|
|
|
2025/05
|
50
|
51
|
50
|
32
|
43
|
41
|
46
|
52
|
47
|
30
|
29
|
35
|
30
|
27
|
22
|
24
|
25
|
18
|
25
|
34
|
24
|
38
|
46
|
20
|
52
|
40
|
26
|
21
|
13
|
36
|
42
|
|
2025/04
|
23
|
37
|
41
|
39
|
45
|
46
|
53
|
56
|
51
|
43
|
38
|
20
|
109
|
96
|
76
|
66
|
65
|
51
|
46
|
29
|
45
|
43
|
32
|
24
|
21
|
30
|
33
|
43
|
30
|
34
|
|
|
2025/03
|
58
|
39
|
27
|
20
|
13
|
15
|
37
|
44
|
29
|
28
|
43
|
36
|
28
|
29
|
30
|
26
|
49
|
47
|
45
|
47
|
46
|
46
|
60
|
71
|
62
|
41
|
49
|
51
|
51
|
19
|
16
|
|
2025/02
|
34
|
15
|
24
|
70
|
55
|
36
|
28
|
49
|
32
|
32
|
40
|
64
|
77
|
54
|
45
|
65
|
70
|
33
|
38
|
21
|
19
|
34
|
17
|
72
|
64
|
55
|
64
|
70
|
|||
|
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