Air Quality
Excellent
No health implications.
5
PM2.5
23
PM10
75
O3
0.2
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
50
Excellent
Sun
11 May
80
Good
Mon
12 May
80
Good
Tue
13 May
50
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
285
PM2.5
23
PM10
75
O3
0.2
CO
2
SO2
10
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