Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
11
PM2.5
53
*
PM10
74
O3
0.6
CO
12
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Jun
88
Good
Wed
4 Jun
105
Light
Thu
5 Jun
108
Light
Fri
6 Jun
120
Light
Sat
7 Jun
108
Light
Sun
8 Jun
100
Good
Mon
9 Jun
37
Excellent
Air quality in the last 12 months (Xiaoyi)
|
2025/04
|
64
|
50
|
87
|
105
|
60
|
81
|
99
|
85
|
64
|
49
|
159
|
186
|
79
|
35
|
53
|
107
|
179
|
106
|
75
|
76
|
94
|
99
|
91
|
51
|
62
|
72
|
55
|
49
|
62
|
102
|
|
|
2025/03
|
93
|
77
|
41
|
56
|
77
|
62
|
78
|
72
|
78
|
84
|
153
|
264
|
97
|
93
|
54
|
34
|
43
|
44
|
47
|
50
|
60
|
75
|
130
|
406
|
429
|
251
|
229
|
150
|
43
|
45
|
56
|
|
2025/02
|
137
|
94
|
29
|
42
|
34
|
101
|
46
|
36
|
50
|
70
|
79
|
75
|
59
|
65
|
78
|
73
|
59
|
77
|
70
|
86
|
96
|
82
|
45
|
50
|
62
|
66
|
75
|
70
|
|||
|
2025/01
|
75
|
62
|
61
|
78
|
82
|
53
|
44
|
41
|
44
|
54
|
65
|
52
|
90
|
64
|
56
|
58
|
66
|
75
|
68
|
67
|
74
|
89
|
127
|
127
|
91
|
83
|
32
|
51
|
168
|
105
|
141
|
|
2024/12
|
69
|
57
|
60
|
50
|
42
|
49
|
41
|
45
|
67
|
69
|
105
|
109
|
83
|
61
|
65
|
64
|
65
|
52
|
69
|
72
|
44
|
60
|
74
|
104
|
112
|
62
|
47
|
56
|
69
|
78
|
70
|
|
2024/11
|
60
|
81
|
83
|
48
|
57
|
66
|
84
|
94
|
107
|
116
|
130
|
115
|
68
|
69
|
81
|
74
|
60
|
61
|
60
|
62
|
77
|
72
|
91
|
117
|
52
|
55
|
76
|
40
|
51
|
69
|
|
|
2024/10
|
71
|
42
|
43
|
64
|
72
|
79
|
54
|
50
|
54
|
48
|
55
|
68
|
76
|
90
|
68
|
99
|
71
|
25
|
31
|
29
|
57
|
43
|
56
|
56
|
76
|
80
|
59
|
66
|
70
|
67
|
59
|
|
2024/09
|
51
|
37
|
50
|
54
|
23
|
49
|
45
|
55
|
56
|
34
|
38
|
39
|
50
|
43
|
51
|
55
|
54
|
55
|
44
|
41
|
26
|
44
|
59
|
65
|
67
|
64
|
79
|
70
|
38
|
25
|
|
|
2024/08
|
46
|
54
|
45
|
43
|
40
|
38
|
27
|
37
|
37
|
56
|
26
|
34
|
39
|
46
|
48
|
46
|
49
|
45
|
46
|
34
|
42
|
48
|
54
|
56
|
57
|
25
|
32
|
41
|
51
|
52
|
59
|
|
2024/07
|
52
|
44
|
48
|
46
|
53
|
49
|
49
|
52
|
49
|
52
|
52
|
52
|
55
|
59
|
66
|
38
|
39
|
43
|
48
|
37
|
46
|
58
|
54
|
37
|
44
|
47
|
53
|
51
|
51
|
23
|
39
|
|
2024/06
|
56
|
56
|
53
|
59
|
53
|
62
|
50
|
46
|
59
|
58
|
65
|
59
|
67
|
54
|
51
|
59
|
52
|
57
|
53
|
54
|
47
|
72
|
88
|
96
|
85
|
86
|
62
|
69
|
64
|
51
|
|
|
2024/05
|
51
|
57
|
62
|
44
|
56
|
42
|
43
|
59
|
66
|
65
|
123
|
56
|
60
|
72
|
63
|
67
|
78
|
83
|
71
|
64
|
64
|
68
|
62
|
73
|
54
|
56
|
51
|
55
|
55
|
66
|
55
|
|
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