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
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Real-time AQI (Monitoring Station in Hsinchu)
湖口
4611
PM2.5
17
PM10
100
O3
0.2
CO
3
SO2
2
NO2
竹东
3713
PM2.5
21
PM10
123
O3
0.2
CO
2
SO2
6
NO2
Air quality in the last 12 months (Hsinchu)
|
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
|
|
|
2024/05
|
18
|
22
|
26
|
34
|
44
|
48
|
34
|
41
|
26
|
30
|
32
|
34
|
31
|
29
|
41
|
39
|
33
|
36
|
25
|
22
|
12
|
16
|
27
|
31
|
21
|
25
|
18
|
21
|
24
|
26
|
35
|
|
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