Air Quality
Excellent
No health implications.
7
PM2.5
10
PM10
15
O3
0.3
CO
1
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Dec
40
Excellent
Sun
7 Dec
50
Excellent
Mon
8 Dec
50
Excellent
Tue
9 Dec
50
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
137
PM2.5
10
PM10
15
O3
0.3
CO
1
SO2
16
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