Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
77
*
PM10
150
O3
0.5
CO
7
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 May
122
Lightly
Mon
20 May
111
Lightly
Tue
21 May
121
Lightly
Wed
22 May
123
Lightly
Thu
23 May
132
Lightly
Fri
24 May
112
Lightly
Sat
25 May
110
Lightly
Air quality in the last 12 months (Xiaoyi)
|
2024/02
|
129
|
141
|
126
|
88
|
127
|
136
|
116
|
144
|
134
|
210
|
81
|
75
|
72
|
67
|
86
|
65
|
65
|
110
|
168
|
60
|
47
|
48
|
43
|
94
|
111
|
94
|
94
|
105
|
79
|
||
|
2024/01
|
97
|
94
|
64
|
73
|
69
|
56
|
54
|
93
|
92
|
70
|
85
|
84
|
97
|
80
|
82
|
109
|
150
|
122
|
99
|
91
|
30
|
31
|
53
|
65
|
67
|
62
|
67
|
67
|
69
|
119
|
139
|
|
2023/12
|
52
|
64
|
75
|
94
|
103
|
200
|
112
|
113
|
96
|
75
|
71
|
112
|
78
|
47
|
34
|
33
|
48
|
104
|
82
|
46
|
43
|
71
|
74
|
69
|
69
|
81
|
108
|
175
|
211
|
187
|
64
|
|
2023/11
|
89
|
88
|
89
|
69
|
46
|
52
|
58
|
72
|
65
|
58
|
71
|
54
|
63
|
70
|
76
|
87
|
56
|
64
|
84
|
87
|
114
|
92
|
48
|
55
|
71
|
91
|
95
|
60
|
44
|
45
|
|
|
2023/10
|
56
|
61
|
68
|
66
|
60
|
48
|
66
|
59
|
50
|
59
|
79
|
90
|
84
|
62
|
69
|
73
|
88
|
77
|
65
|
51
|
56
|
63
|
77
|
85
|
97
|
83
|
68
|
79
|
85
|
77
|
81
|
|
2023/09
|
61
|
57
|
55
|
62
|
61
|
71
|
75
|
73
|
46
|
39
|
55
|
47
|
57
|
59
|
56
|
57
|
47
|
41
|
50
|
54
|
53
|
58
|
54
|
39
|
57
|
67
|
71
|
70
|
71
|
53
|
|
|
2023/08
|
38
|
45
|
46
|
47
|
36
|
41
|
57
|
56
|
60
|
71
|
60
|
36
|
51
|
62
|
69
|
76
|
146
|
98
|
86
|
62
|
55
|
58
|
46
|
40
|
48
|
26
|
22
|
34
|
48
|
54
|
57
|
|
2023/07
|
71
|
73
|
45
|
49
|
73
|
77
|
57
|
44
|
57
|
60
|
72
|
55
|
42
|
50
|
39
|
52
|
64
|
70
|
78
|
67
|
51
|
49
|
64
|
60
|
56
|
55
|
51
|
36
|
38
|
16
|
25
|
|
2023/06
|
52
|
53
|
51
|
57
|
65
|
65
|
60
|
51
|
52
|
46
|
58
|
58
|
55
|
71
|
69
|
64
|
50
|
51
|
59
|
63
|
55
|
74
|
69
|
64
|
69
|
75
|
63
|
41
|
55
|
70
|
|
|
2023/05
|
69
|
74
|
65
|
47
|
58
|
19
|
38
|
51
|
62
|
58
|
69
|
65
|
65
|
83
|
81
|
78
|
74
|
69
|
57
|
128
|
62
|
53
|
58
|
52
|
76
|
86
|
34
|
34
|
46
|
46
|
47
|
|
2023/04
|
75
|
75
|
38
|
32
|
47
|
52
|
52
|
60
|
104
|
178
|
415
|
167
|
110
|
234
|
105
|
105
|
106
|
128
|
120
|
314
|
35
|
35
|
27
|
37
|
53
|
63
|
70
|
182
|
95
|
70
|
|
|
2023/03
|
60
|
67
|
83
|
78
|
86
|
85
|
79
|
115
|
101
|
101
|
250
|
123
|
88
|
98
|
65
|
79
|
59
|
85
|
86
|
80
|
106
|
323
|
386
|
184
|
127
|
85
|
80
|
79
|
73
|
83
|
73
|
|
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