Air Quality
Excellent
No health implications.
4
PM2.5
18
PM10
90
O3
0.2
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
50
Excellent
Thu
12 Mar
50
Excellent
Fri
13 Mar
50
Excellent
Sat
14 Mar
50
Excellent
Hualien Air quality rank
Real-time AQI (Monitoring Station in Hualien)
花莲
284
PM2.5
18
PM10
90
O3
0.2
CO
4
SO2
10
NO2
Air quality in the last 12 months (Hualien)
|
2026/02
|
21
|
40
|
49
|
30
|
32
|
41
|
28
|
46
|
43
|
38
|
48
|
58
|
48
|
49
|
31
|
38
|
37
|
50
|
54
|
70
|
54
|
62
|
100
|
68
|
31
|
51
|
51
|
31
|
|||
|
2026/01
|
22
|
28
|
39
|
30
|
46
|
39
|
44
|
50
|
58
|
57
|
62
|
57
|
59
|
49
|
44
|
50
|
47
|
22
|
35
|
31
|
46
|
52
|
43
|
46
|
44
|
32
|
23
|
29
|
34
|
38
|
17
|
|
2025/12
|
42
|
43
|
47
|
36
|
30
|
30
|
32
|
42
|
38
|
28
|
35
|
47
|
49
|
41
|
53
|
42
|
50
|
53
|
47
|
47
|
65
|
27
|
33
|
48
|
23
|
33
|
24
|
27
|
30
|
41
|
34
|
|
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
|
|
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