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 Jun
Fri
6 Jun
Sat
7 Jun
Sun
8 Jun
Real-time AQI (Monitoring Station in Chiayi)
新港
323
PM2.5
7
PM10
65
O3
0.1
CO
1
SO2
6
NO2
朴子
294
PM2.5
9
PM10
67
O3
0.1
CO
3
SO2
6
NO2
Air quality in the last 12 months (Chiayi)
|
2025/04
|
22
|
36
|
45
|
43
|
48
|
47
|
53
|
56
|
48
|
42
|
35
|
17
|
112
|
104
|
86
|
71
|
65
|
50
|
48
|
31
|
38
|
39
|
33
|
25
|
19
|
27
|
30
|
45
|
32
|
37
|
|
|
2025/03
|
62
|
30
|
24
|
20
|
13
|
17
|
35
|
42
|
28
|
29
|
42
|
36
|
32
|
28
|
36
|
26
|
50
|
48
|
46
|
47
|
48
|
47
|
60
|
69
|
51
|
32
|
50
|
52
|
54
|
21
|
17
|
|
2025/02
|
39
|
18
|
23
|
65
|
56
|
35
|
26
|
48
|
35
|
30
|
39
|
60
|
68
|
47
|
39
|
60
|
65
|
40
|
37
|
24
|
21
|
32
|
19
|
61
|
57
|
53
|
62
|
80
|
|||
|
2025/01
|
48
|
38
|
34
|
30
|
37
|
49
|
63
|
45
|
49
|
43
|
35
|
46
|
44
|
41
|
78
|
54
|
54
|
40
|
46
|
50
|
77
|
49
|
44
|
20
|
32
|
35
|
20
|
43
|
47
|
33
|
39
|
|
2024/12
|
39
|
46
|
34
|
31
|
27
|
30
|
26
|
60
|
27
|
19
|
26
|
21
|
27
|
56
|
73
|
48
|
38
|
42
|
44
|
21
|
42
|
57
|
21
|
20
|
20
|
44
|
60
|
74
|
38
|
39
|
48
|
|
2024/11
|
22
|
19
|
35
|
38
|
48
|
41
|
35
|
30
|
26
|
22
|
21
|
26
|
26
|
22
|
21
|
15
|
23
|
34
|
19
|
13
|
18
|
28
|
32
|
22
|
28
|
20
|
39
|
31
|
40
|
39
|
|
|
2024/10
|
18
|
16
|
20
|
17
|
20
|
21
|
18
|
17
|
37
|
44
|
43
|
32
|
24
|
26
|
27
|
27
|
36
|
36
|
33
|
22
|
28
|
36
|
45
|
38
|
24
|
25
|
25
|
24
|
36
|
40
|
25
|
|
2024/09
|
29
|
30
|
28
|
26
|
24
|
20
|
20
|
15
|
21
|
41
|
53
|
35
|
18
|
22
|
29
|
22
|
28
|
28
|
24
|
20
|
24
|
10
|
12
|
15
|
26
|
16
|
19
|
24
|
25
|
21
|
|
|
2024/08
|
28
|
42
|
42
|
33
|
37
|
23
|
27
|
38
|
41
|
44
|
47
|
48
|
45
|
36
|
29
|
14
|
20
|
19
|
15
|
13
|
21
|
27
|
36
|
41
|
35
|
38
|
46
|
43
|
42
|
31
|
31
|
|
2024/07
|
20
|
18
|
19
|
20
|
24
|
19
|
17
|
17
|
15
|
17
|
24
|
27
|
22
|
21
|
21
|
18
|
20
|
18
|
25
|
24
|
20
|
19
|
26
|
20
|
17
|
18
|
22
|
28
|
23
|
19
|
15
|
|
2024/06
|
12
|
9
|
19
|
31
|
31
|
20
|
19
|
13
|
22
|
15
|
13
|
27
|
27
|
29
|
22
|
18
|
18
|
16
|
16
|
18
|
25
|
30
|
22
|
16
|
17
|
20
|
27
|
17
|
19
|
19
|
|
|
2024/05
|
23
|
22
|
26
|
35
|
38
|
46
|
33
|
40
|
31
|
33
|
31
|
34
|
32
|
31
|
40
|
44
|
34
|
38
|
24
|
22
|
13
|
13
|
26
|
31
|
24
|
24
|
16
|
25
|
27
|
29
|
36
|
|
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