Air Quality
Excellent
No health implications.
7
PM2.5
25
PM10
72
O3
0.4
CO
3
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Apr
60
Good
Fri
4 Apr
60
Good
Sat
5 Apr
50
Excellent
Sun
6 Apr
50
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
237
PM2.5
25
PM10
72
O3
0.4
CO
3
SO2
22
NO2
Air quality in the last 12 months (Hualien)
|
2025/02
|
34
|
17
|
26
|
68
|
56
|
36
|
29
|
48
|
34
|
31
|
38
|
57
|
68
|
47
|
40
|
66
|
68
|
37
|
39
|
25
|
23
|
34
|
19
|
67
|
60
|
57
|
63
|
72
|
|||
|
2025/01
|
47
|
31
|
33
|
27
|
33
|
50
|
64
|
45
|
50
|
39
|
34
|
47
|
46
|
41
|
75
|
50
|
55
|
42
|
46
|
56
|
84
|
47
|
39
|
22
|
34
|
34
|
22
|
42
|
47
|
32
|
36
|
|
2024/12
|
37
|
43
|
31
|
30
|
25
|
30
|
27
|
61
|
23
|
18
|
24
|
19
|
22
|
64
|
73
|
49
|
38
|
44
|
41
|
20
|
42
|
54
|
18
|
19
|
17
|
45
|
64
|
69
|
36
|
37
|
49
|
|
2024/11
|
20
|
18
|
37
|
37
|
46
|
36
|
33
|
31
|
24
|
20
|
19
|
25
|
27
|
22
|
21
|
12
|
21
|
32
|
19
|
14
|
20
|
28
|
30
|
21
|
29
|
20
|
40
|
33
|
41
|
39
|
|
|
2024/10
|
18
|
15
|
20
|
16
|
19
|
19
|
16
|
18
|
37
|
43
|
42
|
29
|
23
|
25
|
23
|
26
|
35
|
34
|
30
|
22
|
29
|
36
|
42
|
35
|
22
|
22
|
24
|
24
|
36
|
36
|
25
|
|
2024/09
|
28
|
25
|
25
|
25
|
22
|
20
|
20
|
13
|
22
|
40
|
49
|
31
|
17
|
22
|
28
|
21
|
28
|
27
|
22
|
21
|
24
|
12
|
13
|
14
|
23
|
15
|
20
|
24
|
25
|
21
|
|
|
2024/08
|
28
|
44
|
43
|
35
|
34
|
20
|
28
|
36
|
40
|
44
|
47
|
50
|
47
|
34
|
30
|
14
|
21
|
19
|
15
|
12
|
22
|
27
|
35
|
40
|
30
|
33
|
45
|
40
|
39
|
30
|
30
|
|
2024/07
|
22
|
20
|
22
|
21
|
26
|
20
|
18
|
19
|
17
|
19
|
27
|
30
|
26
|
24
|
20
|
17
|
20
|
19
|
26
|
24
|
20
|
17
|
24
|
20
|
19
|
20
|
22
|
28
|
22
|
17
|
15
|
|
2024/06
|
13
|
9
|
19
|
32
|
30
|
20
|
19
|
14
|
20
|
14
|
14
|
27
|
27
|
28
|
21
|
17
|
18
|
15
|
17
|
21
|
29
|
33
|
27
|
18
|
18
|
21
|
32
|
18
|
20
|
20
|
|
|
2024/05
|
22
|
23
|
27
|
36
|
45
|
48
|
33
|
39
|
26
|
34
|
30
|
34
|
32
|
30
|
40
|
41
|
33
|
36
|
23
|
23
|
14
|
16
|
27
|
28
|
21
|
24
|
17
|
22
|
24
|
26
|
35
|
|
2024/04
|
36
|
55
|
40
|
31
|
29
|
38
|
20
|
38
|
28
|
49
|
46
|
38
|
26
|
30
|
54
|
32
|
35
|
38
|
90
|
75
|
41
|
29
|
31
|
28
|
42
|
45
|
35
|
22
|
38
|
23
|
|
|
2024/03
|
19
|
44
|
48
|
51
|
50
|
23
|
45
|
61
|
59
|
44
|
46
|
39
|
56
|
58
|
45
|
46
|
70
|
49
|
51
|
67
|
60
|
66
|
59
|
37
|
28
|
41
|
29
|
52
|
48
|
60
|
43
|
|
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
Air quality source: CNEMC
*: primary pollution