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
26 Nov
Wed
27 Nov
Thu
28 Nov
Fri
29 Nov
Real-time AQI (Monitoring Station in Chiayi)
新港
4914
PM2.5
117
PM10
103
O3
0.3
CO
6
SO2
14
NO2
朴子
5412
PM2.5
90 *
PM10
103
O3
0.3
CO
5
SO2
12
NO2
Air quality in the last 12 months (Chiayi)
|
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
|
|
2024/02
|
47
|
27
|
27
|
24
|
28
|
28
|
22
|
31
|
64
|
118
|
61
|
55
|
67
|
99
|
78
|
36
|
36
|
82
|
57
|
44
|
29
|
22
|
25
|
30
|
35
|
45
|
36
|
44
|
54
|
||
|
2024/01
|
68
|
42
|
60
|
48
|
57
|
61
|
92
|
48
|
44
|
63
|
94
|
94
|
54
|
30
|
75
|
31
|
34
|
47
|
38
|
35
|
26
|
25
|
24
|
30
|
41
|
56
|
70
|
80
|
68
|
40
|
41
|
|
2023/12
|
42
|
39
|
36
|
26
|
35
|
43
|
49
|
54
|
62
|
52
|
58
|
32
|
27
|
36
|
64
|
48
|
52
|
49
|
43
|
32
|
51
|
48
|
37
|
40
|
55
|
52
|
44
|
33
|
32
|
47
|
85
|
|
2023/11
|
32
|
31
|
32
|
31
|
38
|
53
|
41
|
43
|
45
|
35
|
24
|
26
|
37
|
37
|
32
|
31
|
51
|
63
|
50
|
48
|
39
|
36
|
45
|
73
|
33
|
28
|
44
|
54
|
53
|
58
|
|
|
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