Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Real-time AQI (Monitoring Station in Chiayi)
新港
10444 *
PM2.5
62
PM10
69
O3
0.4
CO
6
SO2
19
NO2
朴子
9941 *
PM2.5
58
PM10
74
O3
0.3
CO
4
SO2
12
NO2
Air quality in the last 12 months (Chiayi)
|
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
|
|
2024/04
|
34
|
55
|
38
|
34
|
27
|
34
|
18
|
36
|
25
|
48
|
44
|
40
|
28
|
30
|
53
|
32
|
35
|
37
|
81
|
71
|
38
|
31
|
34
|
27
|
42
|
39
|
31
|
20
|
36
|
22
|
|
|
2024/03
|
18
|
41
|
45
|
49
|
50
|
27
|
44
|
61
|
59
|
48
|
51
|
36
|
59
|
61
|
49
|
51
|
80
|
49
|
50
|
63
|
59
|
68
|
60
|
32
|
25
|
42
|
31
|
52
|
49
|
60
|
37
|
|
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