Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
45
*
PM2.5
74
PM10
124
O3
0.6
CO
8
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
105
Light
Mon
5 May
76
Good
Tue
6 May
97
Good
Wed
7 May
90
Good
Thu
8 May
96
Good
Fri
9 May
65
Good
Sat
10 May
33
Excellent
Air quality in the last 12 months (Chenghua)
|
2025/02
|
41
|
47
|
49
|
53
|
44
|
36
|
42
|
34
|
43
|
54
|
80
|
71
|
58
|
57
|
42
|
63
|
61
|
71
|
52
|
57
|
48
|
33
|
45
|
31
|
26
|
45
|
78
|
83
|
|||
|
2025/01
|
129
|
116
|
140
|
140
|
90
|
84
|
61
|
49
|
54
|
57
|
42
|
76
|
92
|
66
|
65
|
70
|
87
|
61
|
79
|
92
|
125
|
157
|
220
|
87
|
37
|
66
|
76
|
81
|
236
|
102
|
60
|
|
2024/12
|
78
|
115
|
109
|
72
|
52
|
38
|
33
|
22
|
30
|
52
|
59
|
61
|
47
|
49
|
64
|
71
|
109
|
149
|
106
|
94
|
89
|
60
|
44
|
64
|
76
|
81
|
109
|
92
|
68
|
70
|
70
|
|
2024/11
|
39
|
41
|
44
|
32
|
38
|
48
|
57
|
90
|
55
|
31
|
43
|
39
|
28
|
57
|
67
|
35
|
25
|
12
|
15
|
24
|
37
|
46
|
52
|
43
|
21
|
37
|
40
|
56
|
57
|
64
|
|
|
2024/10
|
24
|
32
|
24
|
28
|
37
|
53
|
37
|
39
|
62
|
45
|
30
|
38
|
48
|
60
|
68
|
64
|
26
|
37
|
27
|
11
|
17
|
35
|
51
|
65
|
51
|
34
|
32
|
37
|
67
|
53
|
46
|
|
2024/09
|
35
|
46
|
31
|
41
|
28
|
39
|
33
|
37
|
36
|
18
|
24
|
30
|
35
|
27
|
19
|
37
|
33
|
45
|
47
|
47
|
19
|
29
|
36
|
51
|
73
|
74
|
77
|
89
|
40
|
15
|
|
|
2024/08
|
38
|
37
|
30
|
16
|
24
|
32
|
27
|
35
|
39
|
35
|
50
|
57
|
54
|
59
|
37
|
45
|
42
|
40
|
33
|
47
|
66
|
66
|
58
|
38
|
53
|
43
|
49
|
51
|
37
|
37
|
34
|
|
2024/07
|
22
|
32
|
19
|
20
|
40
|
41
|
38
|
15
|
11
|
19
|
28
|
28
|
19
|
13
|
14
|
21
|
21
|
18
|
22
|
19
|
24
|
25
|
33
|
29
|
41
|
57
|
54
|
29
|
24
|
27
|
33
|
|
2024/06
|
50
|
30
|
40
|
29
|
29
|
39
|
35
|
37
|
36
|
56
|
30
|
30
|
42
|
62
|
57
|
44
|
23
|
37
|
35
|
35
|
35
|
31
|
49
|
43
|
30
|
24
|
23
|
25
|
40
|
47
|
|
|
2024/05
|
47
|
31
|
21
|
28
|
44
|
59
|
67
|
47
|
42
|
61
|
60
|
55
|
43
|
53
|
60
|
57
|
65
|
74
|
43
|
28
|
34
|
45
|
54
|
50
|
48
|
37
|
40
|
26
|
19
|
31
|
51
|
|
2024/04
|
50
|
55
|
71
|
57
|
31
|
36
|
31
|
39
|
43
|
33
|
32
|
40
|
57
|
71
|
77
|
51
|
54
|
29
|
25
|
58
|
87
|
56
|
32
|
29
|
33
|
62
|
57
|
110
|
59
|
18
|
|
|
2024/03
|
64
|
58
|
87
|
91
|
73
|
60
|
72
|
79
|
84
|
88
|
53
|
72
|
34
|
36
|
66
|
74
|
84
|
51
|
55
|
65
|
67
|
80
|
91
|
47
|
24
|
36
|
49
|
42
|
57
|
47
|
41
|
|
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