Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
*
PM2.5
53
PM10
63
O3
0.9
CO
12
SO2
35
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
88
Good
Tue
30 Apr
81
Good
Wed
1 May
89
Good
Thu
2 May
87
Good
Fri
3 May
90
Good
Sat
4 May
87
Good
Air quality in the last 12 months (Hongta)
|
2024/02
|
40
|
53
|
63
|
35
|
43
|
39
|
49
|
56
|
50
|
54
|
58
|
54
|
44
|
34
|
33
|
40
|
35
|
35
|
70
|
57
|
51
|
57
|
66
|
64
|
54
|
40
|
48
|
39
|
39
|
||
|
2024/01
|
44
|
33
|
40
|
42
|
30
|
32
|
39
|
37
|
37
|
38
|
41
|
40
|
38
|
44
|
42
|
29
|
21
|
38
|
35
|
38
|
42
|
29
|
50
|
50
|
34
|
31
|
31
|
52
|
36
|
28
|
29
|
|
2023/12
|
51
|
37
|
27
|
30
|
30
|
31
|
39
|
26
|
28
|
24
|
25
|
48
|
26
|
21
|
31
|
27
|
23
|
22
|
34
|
41
|
39
|
39
|
51
|
65
|
52
|
48
|
34
|
36
|
32
|
34
|
31
|
|
2023/11
|
40
|
30
|
34
|
31
|
32
|
33
|
32
|
29
|
34
|
34
|
34
|
34
|
37
|
23
|
21
|
26
|
40
|
51
|
38
|
39
|
35
|
33
|
35
|
38
|
32
|
41
|
46
|
50
|
48
|
53
|
|
|
2023/10
|
26
|
19
|
24
|
21
|
22
|
24
|
15
|
15
|
17
|
23
|
32
|
30
|
27
|
14
|
19
|
29
|
35
|
33
|
35
|
32
|
34
|
40
|
37
|
33
|
30
|
29
|
28
|
24
|
35
|
35
|
40
|
|
2023/09
|
39
|
37
|
36
|
34
|
30
|
34
|
35
|
37
|
38
|
34
|
32
|
29
|
28
|
33
|
37
|
36
|
35
|
25
|
22
|
22
|
26
|
24
|
31
|
32
|
23
|
28
|
17
|
12
|
15
|
20
|
|
|
2023/08
|
25
|
24
|
31
|
23
|
19
|
24
|
21
|
23
|
19
|
27
|
22
|
24
|
26
|
32
|
32
|
33
|
28
|
30
|
35
|
40
|
35
|
23
|
24
|
22
|
16
|
19
|
21
|
31
|
29
|
32
|
33
|
|
2023/07
|
30
|
22
|
20
|
20
|
23
|
13
|
13
|
15
|
14
|
12
|
15
|
13
|
13
|
21
|
38
|
35
|
43
|
39
|
27
|
21
|
29
|
26
|
19
|
24
|
24
|
26
|
22
|
21
|
27
|
38
|
34
|
|
2023/06
|
36
|
33
|
31
|
31
|
31
|
25
|
30
|
33
|
33
|
41
|
46
|
36
|
34
|
31
|
26
|
34
|
36
|
33
|
32
|
24
|
30
|
24
|
21
|
27
|
41
|
38
|
37
|
25
|
24
|
23
|
|
|
2023/05
|
41
|
35
|
38
|
31
|
29
|
32
|
37
|
47
|
54
|
56
|
47
|
26
|
30
|
31
|
42
|
29
|
43
|
43
|
44
|
47
|
40
|
47
|
48
|
50
|
43
|
35
|
32
|
40
|
41
|
45
|
40
|
|
2023/04
|
49
|
52
|
36
|
34
|
39
|
45
|
60
|
73
|
111
|
76
|
75
|
82
|
95
|
100
|
87
|
111
|
90
|
61
|
72
|
72
|
62
|
53
|
48
|
42
|
40
|
44
|
54
|
46
|
49
|
37
|
|
|
2023/03
|
54
|
72
|
81
|
52
|
67
|
69
|
76
|
63
|
68
|
74
|
64
|
63
|
29
|
74
|
70
|
55
|
51
|
59
|
53
|
40
|
29
|
30
|
32
|
36
|
45
|
53
|
59
|
96
|
61
|
44
|
50
|
|
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