Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
39
PM10
139
O3
0.4
CO
3
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Apr
50
Excellent
Tue
29 Apr
60
Good
Wed
30 Apr
50
Excellent
Thu
1 May
50
Excellent
Real-time AQI (Monitoring Station in Hualien)
花莲
8519
PM2.5
39
PM10
139 *
O3
0.4
CO
3
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