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
23 Jun
Tue
24 Jun
Wed
25 Jun
Thu
26 Jun
Real-time AQI (Monitoring Station in Hsinchu)
湖口
217
PM2.5
14
PM10
20
O3
0.3
CO
5
SO2
25
NO2
竹东
237
PM2.5
18
PM10
20
O3
0.2
CO
4
SO2
12
NO2
Air quality in the last 12 months (Hsinchu)
|
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
|
|
|
2024/10
|
17
|
13
|
18
|
14
|
18
|
18
|
15
|
17
|
36
|
42
|
43
|
30
|
25
|
27
|
25
|
26
|
35
|
33
|
28
|
20
|
27
|
35
|
42
|
34
|
20
|
22
|
22
|
21
|
37
|
36
|
24
|
|
2024/09
|
30
|
26
|
24
|
24
|
21
|
18
|
18
|
13
|
22
|
41
|
49
|
33
|
18
|
21
|
28
|
22
|
27
|
27
|
21
|
22
|
24
|
11
|
12
|
16
|
21
|
13
|
20
|
25
|
25
|
18
|
|
|
2024/08
|
28
|
45
|
44
|
37
|
35
|
20
|
28
|
37
|
43
|
48
|
50
|
52
|
47
|
34
|
28
|
15
|
21
|
21
|
16
|
12
|
22
|
27
|
36
|
42
|
31
|
35
|
48
|
41
|
37
|
33
|
34
|
|
2024/07
|
22
|
20
|
21
|
22
|
27
|
20
|
18
|
19
|
17
|
19
|
28
|
31
|
27
|
26
|
20
|
17
|
20
|
21
|
26
|
24
|
21
|
19
|
22
|
18
|
18
|
19
|
20
|
26
|
21
|
16
|
15
|
|
2024/06
|
10
|
8
|
18
|
32
|
30
|
19
|
19
|
16
|
21
|
14
|
15
|
28
|
28
|
28
|
21
|
18
|
18
|
15
|
18
|
22
|
30
|
35
|
29
|
19
|
19
|
22
|
32
|
18
|
19
|
20
|
|
|
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