Air Quality
Excellent
No health implications.
2
PM2.5
7
PM10
25
O3
0.3
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Dec
40
Excellent
Sun
28 Dec
40
Excellent
Mon
29 Dec
40
Excellent
Tue
30 Dec
40
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
162
PM2.5
7
PM10
25
O3
0.3
CO
5
SO2
20
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