Air Quality
Excellent
No health implications.
8
PM2.5
8
PM10
23
O3
0.2
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Aug
40
Excellent
Wed
19 Aug
40
Excellent
Thu
20 Aug
40
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
88
PM2.5
8
PM10
23
O3
0.2
CO
4
SO2
10
NO2
Air quality in the last 12 months (Hualien)
|
2026/07
|
29
|
33
|
26
|
30
|
25
|
24
|
20
|
28
|
31
|
27
|
33
|
33
|
20
|
22
|
22
|
25
|
32
|
35
|
40
|
33
|
42
|
46
|
48
|
34
|
23
|
32
|
18
|
16
|
20
|
23
|
32
|
|
2026/06
|
34
|
40
|
40
|
31
|
35
|
42
|
28
|
30
|
32
|
34
|
39
|
34
|
35
|
26
|
23
|
23
|
22
|
18
|
21
|
26
|
36
|
32
|
32
|
36
|
26
|
26
|
32
|
34
|
32
|
21
|
|
|
2026/05
|
43
|
46
|
39
|
34
|
33
|
33
|
32
|
38
|
34
|
31
|
34
|
32
|
27
|
28
|
28
|
33
|
36
|
31
|
34
|
37
|
42
|
49
|
40
|
37
|
43
|
42
|
41
|
31
|
45
|
48
|
44
|
|
2026/04
|
34
|
39
|
41
|
33
|
38
|
31
|
37
|
44
|
47
|
41
|
32
|
27
|
42
|
31
|
28
|
33
|
38
|
35
|
37
|
38
|
41
|
44
|
34
|
28
|
37
|
42
|
40
|
44
|
31
|
29
|
|
|
2026/03
|
34
|
41
|
28
|
36
|
31
|
41
|
47
|
35
|
38
|
43
|
39
|
45
|
62
|
47
|
48
|
35
|
40
|
50
|
29
|
40
|
37
|
39
|
31
|
31
|
41
|
34
|
43
|
39
|
53
|
40
|
41
|
|
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
|
|
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