Air Quality
Excellent
No health implications.
6
PM2.5
13
PM10
90
O3
0.2
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Dec
50
Excellent
Thu
18 Dec
50
Excellent
Fri
19 Dec
50
Excellent
Sat
20 Dec
50
Excellent
Hualien Air quality rank
Real-time AQI (Monitoring Station in Hualien)
花莲
216
PM2.5
13
PM10
90
O3
0.2
CO
4
SO2
6
NO2
Air quality in the last 12 months (Hualien)
|
2025/11
|
32
|
54
|
42
|
18
|
21
|
24
|
38
|
37
|
35
|
43
|
22
|
10
|
13
|
36
|
42
|
31
|
34
|
27
|
32
|
45
|
49
|
53
|
44
|
41
|
54
|
75
|
60
|
105
|
83
|
54
|
|
|
2025/10
|
20
|
16
|
17
|
20
|
24
|
29
|
22
|
25
|
22
|
23
|
22
|
19
|
17
|
32
|
16
|
29
|
32
|
35
|
29
|
31
|
23
|
27
|
31
|
31
|
36
|
48
|
43
|
24
|
26
|
32
|
36
|
|
2025/09
|
22
|
34
|
31
|
32
|
24
|
24
|
20
|
23
|
22
|
29
|
25
|
26
|
37
|
28
|
22
|
24
|
22
|
23
|
20
|
23
|
25
|
27
|
33
|
32
|
23
|
19
|
18
|
19
|
25
|
22
|
|
|
2025/08
|
34
|
32
|
37
|
20
|
20
|
32
|
43
|
47
|
31
|
21
|
24
|
25
|
31
|
29
|
20
|
22
|
24
|
16
|
20
|
32
|
34
|
31
|
23
|
21
|
17
|
14
|
14
|
16
|
17
|
18
|
16
|
|
2025/07
|
18
|
22
|
24
|
25
|
17
|
19
|
27
|
41
|
31
|
16
|
13
|
28
|
39
|
42
|
34
|
37
|
32
|
22
|
32
|
34
|
22
|
20
|
22
|
24
|
21
|
32
|
31
|
29
|
21
|
37
|
46
|
|
2025/06
|
45
|
39
|
17
|
27
|
28
|
22
|
18
|
25
|
22
|
20
|
19
|
24
|
29
|
30
|
33
|
28
|
27
|
28
|
24
|
20
|
22
|
26
|
29
|
32
|
21
|
19
|
18
|
23
|
17
|
13
|
|
|
2025/05
|
48
|
50
|
46
|
33
|
42
|
40
|
47
|
54
|
54
|
33
|
30
|
36
|
30
|
26
|
22
|
21
|
24
|
16
|
25
|
31
|
22
|
37
|
42
|
21
|
50
|
39
|
23
|
21
|
15
|
37
|
44
|
|
2025/04
|
27
|
40
|
44
|
39
|
45
|
44
|
51
|
55
|
46
|
41
|
34
|
19
|
108
|
99
|
80
|
67
|
65
|
47
|
48
|
29
|
40
|
42
|
33
|
25
|
22
|
30
|
33
|
43
|
29
|
33
|
|
|
2025/03
|
58
|
34
|
24
|
20
|
13
|
17
|
36
|
43
|
27
|
27
|
42
|
35
|
31
|
31
|
34
|
31
|
50
|
49
|
45
|
48
|
48
|
46
|
58
|
68
|
57
|
38
|
58
|
53
|
59
|
26
|
21
|
|
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
|
|
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