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
10 May
Sat
11 May
Sun
12 May
Mon
13 May
Real-time AQI (Monitoring Station in Changhua)
彰化
9618
PM2.5
45
PM10
155 *
O3
0.3
CO
6
SO2
17
NO2
线西
8212
PM2.5
29
PM10
126 *
O3
0.2
CO
5
SO2
5
NO2
Air quality in the last 12 months (Changhua)
|
2024/02
|
48
|
26
|
26
|
23
|
26
|
29
|
22
|
33
|
67
|
120
|
61
|
55
|
67
|
102
|
80
|
33
|
36
|
82
|
58
|
43
|
28
|
20
|
22
|
27
|
31
|
43
|
34
|
44
|
52
|
||
|
2024/01
|
71
|
43
|
59
|
48
|
56
|
61
|
97
|
49
|
45
|
65
|
96
|
95
|
54
|
29
|
78
|
30
|
34
|
48
|
38
|
34
|
25
|
24
|
24
|
30
|
41
|
56
|
72
|
81
|
68
|
37
|
40
|
|
2023/12
|
42
|
39
|
37
|
26
|
33
|
42
|
50
|
54
|
62
|
51
|
59
|
29
|
28
|
37
|
64
|
43
|
49
|
45
|
38
|
30
|
51
|
46
|
36
|
39
|
54
|
52
|
43
|
33
|
32
|
50
|
86
|
|
2023/11
|
32
|
31
|
32
|
30
|
37
|
52
|
39
|
43
|
44
|
34
|
23
|
25
|
35
|
36
|
32
|
30
|
51
|
63
|
49
|
48
|
38
|
36
|
45
|
77
|
33
|
27
|
43
|
53
|
54
|
59
|
|
|
2023/10
|
31
|
44
|
41
|
49
|
39
|
25
|
22
|
23
|
28
|
31
|
42
|
36
|
34
|
37
|
50
|
61
|
54
|
42
|
42
|
51
|
33
|
29
|
28
|
28
|
25
|
22
|
28
|
33
|
34
|
34
|
33
|
|
2023/09
|
29
|
23
|
18
|
17
|
18
|
20
|
27
|
27
|
30
|
30
|
26
|
21
|
26
|
34
|
26
|
38
|
50
|
22
|
20
|
22
|
28
|
24
|
24
|
27
|
25
|
28
|
30
|
29
|
25
|
30
|
|
|
2023/08
|
34
|
36
|
39
|
50
|
47
|
53
|
48
|
36
|
41
|
35
|
25
|
19
|
23
|
29
|
35
|
46
|
42
|
35
|
24
|
23
|
33
|
28
|
30
|
38
|
27
|
20
|
24
|
33
|
27
|
27
|
25
|
|
2023/07
|
14
|
18
|
21
|
25
|
35
|
34
|
42
|
44
|
45
|
29
|
21
|
21
|
24
|
25
|
19
|
22
|
24
|
23
|
26
|
36
|
28
|
23
|
19
|
22
|
24
|
43
|
35
|
26
|
21
|
23
|
29
|
|
2023/06
|
21
|
34
|
40
|
38
|
34
|
28
|
24
|
32
|
20
|
18
|
31
|
24
|
28
|
27
|
34
|
27
|
23
|
35
|
29
|
30
|
33
|
29
|
25
|
20
|
21
|
22
|
23
|
29
|
22
|
14
|
|
|
2023/05
|
62
|
47
|
48
|
36
|
26
|
24
|
28
|
36
|
43
|
40
|
42
|
50
|
57
|
62
|
73
|
42
|
35
|
42
|
45
|
34
|
29
|
27
|
64
|
68
|
60
|
43
|
40
|
25
|
20
|
25
|
25
|
|
2023/04
|
37
|
44
|
45
|
65
|
49
|
40
|
38
|
60
|
35
|
37
|
52
|
61
|
125
|
76
|
70
|
58
|
52
|
40
|
31
|
44
|
37
|
58
|
68
|
70
|
37
|
45
|
48
|
48
|
62
|
40
|
|
|
2023/03
|
56
|
69
|
39
|
49
|
52
|
49
|
45
|
52
|
60
|
53
|
51
|
60
|
60
|
39
|
43
|
47
|
34
|
37
|
32
|
47
|
61
|
39
|
42
|
45
|
29
|
32
|
58
|
47
|
44
|
40
|
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