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 Nov
Sat
22 Nov
Sun
23 Nov
Mon
24 Nov
Hsinchu Air quality rank
Real-time AQI (Monitoring Station in Hsinchu)
湖口
3712
PM2.5
31
PM10
66
O3
0.2
CO
3
SO2
14
NO2
竹东
3710
PM2.5
19
PM10
72
O3
0.1
CO
4
SO2
8
NO2
Air quality in the last 12 months (Hsinchu)
|
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
|
|||
|
2025/01
|
50
|
33
|
32
|
31
|
33
|
49
|
66
|
45
|
51
|
38
|
33
|
46
|
45
|
43
|
78
|
50
|
54
|
42
|
43
|
55
|
87
|
49
|
40
|
19
|
34
|
34
|
20
|
42
|
51
|
32
|
36
|
|
2024/12
|
37
|
42
|
30
|
35
|
28
|
30
|
23
|
64
|
25
|
20
|
25
|
19
|
23
|
66
|
75
|
50
|
39
|
46
|
43
|
19
|
41
|
55
|
21
|
18
|
17
|
48
|
72
|
72
|
38
|
39
|
49
|
|
2024/11
|
17
|
17
|
38
|
39
|
48
|
35
|
33
|
30
|
23
|
22
|
18
|
22
|
27
|
21
|
21
|
11
|
21
|
29
|
18
|
15
|
19
|
27
|
31
|
22
|
27
|
19
|
40
|
32
|
41
|
39
|
|
|
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