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
21 Nov
Sat
22 Nov
Sun
23 Nov
Mon
24 Nov
Real-time AQI (Monitoring Station in Taichung)
丰原
278
PM2.5
19
PM10
56
O3
0.2
CO
4
SO2
10
NO2
沙鹿
3111
PM2.5
23
PM10
69
O3
0.2
CO
4
SO2
14
NO2
大里
2310
PM2.5
29
PM10
42
O3
0.4
CO
3
SO2
23
NO2
忠明
2518
PM2.5
33
PM10
50
O3
0.3
CO
5
SO2
25
NO2
西屯
2814
PM2.5
29
PM10
63
O3
0.2
CO
4
SO2
16
NO2
Air quality in the last 12 months (Taichung)
|
2025/10
|
22
|
16
|
18
|
21
|
26
|
31
|
22
|
26
|
23
|
23
|
23
|
21
|
20
|
33
|
18
|
29
|
31
|
34
|
28
|
29
|
20
|
24
|
30
|
32
|
36
|
48
|
43
|
25
|
26
|
33
|
38
|
|
2025/09
|
25
|
35
|
32
|
34
|
23
|
21
|
18
|
21
|
20
|
29
|
25
|
27
|
36
|
29
|
23
|
24
|
21
|
22
|
19
|
22
|
25
|
25
|
31
|
31
|
22
|
18
|
20
|
20
|
25
|
24
|
|
|
2025/08
|
34
|
32
|
34
|
18
|
19
|
30
|
41
|
46
|
29
|
19
|
23
|
24
|
32
|
29
|
20
|
21
|
23
|
17
|
22
|
32
|
33
|
32
|
25
|
23
|
19
|
15
|
15
|
17
|
17
|
18
|
17
|
|
2025/07
|
18
|
21
|
26
|
26
|
18
|
19
|
27
|
43
|
33
|
16
|
12
|
27
|
40
|
42
|
35
|
38
|
34
|
23
|
32
|
33
|
21
|
19
|
21
|
24
|
21
|
33
|
34
|
31
|
20
|
40
|
46
|
|
2025/06
|
46
|
38
|
16
|
27
|
29
|
23
|
19
|
25
|
22
|
22
|
20
|
24
|
27
|
28
|
32
|
29
|
26
|
28
|
23
|
20
|
20
|
25
|
30
|
30
|
22
|
17
|
17
|
22
|
16
|
15
|
|
|
2025/05
|
52
|
53
|
48
|
35
|
42
|
40
|
46
|
52
|
47
|
31
|
29
|
37
|
31
|
29
|
24
|
22
|
22
|
18
|
25
|
32
|
23
|
37
|
43
|
20
|
51
|
40
|
26
|
21
|
13
|
36
|
44
|
|
2025/04
|
22
|
37
|
43
|
41
|
48
|
47
|
53
|
56
|
50
|
43
|
37
|
18
|
111
|
100
|
81
|
69
|
64
|
51
|
47
|
30
|
41
|
41
|
33
|
24
|
20
|
28
|
31
|
44
|
31
|
35
|
|
|
2025/03
|
61
|
34
|
26
|
21
|
13
|
16
|
37
|
43
|
28
|
29
|
43
|
36
|
30
|
28
|
34
|
26
|
49
|
47
|
46
|
47
|
47
|
47
|
62
|
70
|
56
|
36
|
48
|
52
|
52
|
19
|
16
|
|
2025/02
|
36
|
16
|
23
|
69
|
55
|
35
|
27
|
49
|
33
|
31
|
40
|
65
|
73
|
52
|
42
|
62
|
68
|
37
|
37
|
22
|
21
|
33
|
18
|
67
|
60
|
54
|
63
|
76
|
|||
|
2025/01
|
50
|
35
|
33
|
30
|
35
|
49
|
65
|
45
|
51
|
41
|
34
|
46
|
44
|
42
|
79
|
52
|
54
|
41
|
44
|
52
|
82
|
49
|
43
|
19
|
33
|
35
|
20
|
43
|
49
|
32
|
37
|
|
2024/12
|
38
|
44
|
32
|
33
|
28
|
30
|
24
|
62
|
25
|
20
|
25
|
20
|
26
|
60
|
74
|
49
|
38
|
44
|
43
|
20
|
42
|
56
|
21
|
20
|
18
|
46
|
66
|
74
|
37
|
39
|
48
|
|
2024/11
|
20
|
18
|
37
|
38
|
48
|
39
|
34
|
30
|
24
|
23
|
19
|
24
|
26
|
22
|
22
|
13
|
22
|
32
|
18
|
14
|
18
|
27
|
32
|
22
|
28
|
19
|
39
|
31
|
41
|
39
|
|
|
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