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
18 Jun
Fri
19 Jun
Sat
20 Jun
Sun
21 Jun
Real-time AQI (Monitoring Station in Hsinchu)
湖口
204
PM2.5
7
PM10
33
O3
0.1
CO
2
SO2
6
NO2
竹东
246
PM2.5
21
PM10
31
O3
0.2
CO
2
SO2
12
NO2
Air quality in the last 12 months (Hsinchu)
|
2026/05
|
42
|
44
|
38
|
32
|
32
|
34
|
31
|
37
|
33
|
30
|
34
|
31
|
27
|
27
|
28
|
32
|
33
|
31
|
33
|
37
|
40
|
44
|
41
|
41
|
44
|
42
|
42
|
31
|
44
|
48
|
43
|
|
2026/04
|
34
|
38
|
39
|
31
|
38
|
33
|
37
|
42
|
47
|
42
|
32
|
27
|
45
|
32
|
28
|
33
|
38
|
34
|
36
|
39
|
38
|
42
|
34
|
29
|
37
|
43
|
41
|
45
|
31
|
29
|
|
|
2026/03
|
34
|
42
|
27
|
33
|
26
|
39
|
46
|
35
|
36
|
42
|
38
|
43
|
55
|
42
|
41
|
32
|
39
|
49
|
28
|
41
|
35
|
39
|
32
|
30
|
40
|
34
|
42
|
37
|
51
|
41
|
43
|
|
2026/02
|
19
|
38
|
51
|
31
|
36
|
40
|
24
|
43
|
38
|
36
|
44
|
56
|
48
|
50
|
31
|
35
|
33
|
47
|
53
|
69
|
54
|
63
|
104
|
68
|
28
|
44
|
49
|
27
|
|||
|
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
|
|
|
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