Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
80
PM2.5
192
*
PM10
52
O3
0.8
CO
11
SO2
28
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
20 Feb
86
Good
Sat
21 Feb
137
Light
Sun
22 Feb
97
Good
Mon
23 Feb
91
Good
Tue
24 Feb
90
Good
Wed
25 Feb
87
Good
Thu
26 Feb
24
Excellent
Xiaoyi Air quality rank
Air quality in the last 12 months (Xiaoyi)
|
2026/01
|
101
|
114
|
116
|
156
|
102
|
41
|
64
|
69
|
111
|
85
|
53
|
91
|
98
|
124
|
142
|
85
|
89
|
95
|
59
|
52
|
54
|
61
|
71
|
73
|
174
|
152
|
112
|
114
|
145
|
185
|
134
|
|
2025/12
|
84
|
52
|
45
|
60
|
78
|
87
|
84
|
70
|
81
|
99
|
75
|
59
|
70
|
90
|
81
|
90
|
83
|
75
|
91
|
60
|
54
|
86
|
129
|
78
|
49
|
53
|
71
|
73
|
66
|
60
|
73
|
|
2025/11
|
53
|
50
|
74
|
82
|
93
|
103
|
61
|
76
|
85
|
70
|
79
|
73
|
59
|
70
|
80
|
60
|
25
|
33
|
60
|
69
|
62
|
72
|
98
|
139
|
78
|
192
|
174
|
119
|
106
|
82
|
|
|
2025/10
|
57
|
31
|
48
|
50
|
52
|
19
|
32
|
26
|
14
|
18
|
34
|
25
|
42
|
57
|
48
|
60
|
35
|
39
|
49
|
50
|
57
|
65
|
71
|
89
|
79
|
65
|
51
|
66
|
73
|
89
|
71
|
|
2025/09
|
52
|
52
|
27
|
32
|
37
|
64
|
66
|
60
|
57
|
54
|
39
|
28
|
54
|
57
|
62
|
27
|
20
|
22
|
22
|
53
|
36
|
29
|
52
|
50
|
52
|
48
|
41
|
62
|
68
|
68
|
|
|
2025/08
|
56
|
53
|
52
|
48
|
39
|
38
|
42
|
47
|
25
|
37
|
47
|
55
|
46
|
56
|
41
|
19
|
40
|
42
|
45
|
29
|
29
|
40
|
23
|
32
|
42
|
38
|
36
|
37
|
43
|
52
|
58
|
|
2025/07
|
41
|
35
|
26
|
34
|
22
|
34
|
37
|
45
|
41
|
47
|
61
|
59
|
55
|
53
|
60
|
43
|
41
|
48
|
57
|
44
|
37
|
50
|
33
|
26
|
32
|
40
|
38
|
51
|
33
|
43
|
45
|
|
2025/06
|
58
|
43
|
38
|
36
|
50
|
48
|
59
|
53
|
61
|
44
|
57
|
60
|
55
|
34
|
28
|
37
|
41
|
54
|
44
|
44
|
42
|
50
|
51
|
51
|
58
|
50
|
51
|
38
|
42
|
49
|
|
|
2025/05
|
66
|
83
|
34
|
62
|
167
|
89
|
85
|
75
|
44
|
47
|
46
|
58
|
76
|
45
|
50
|
83
|
158
|
60
|
71
|
71
|
74
|
77
|
35
|
46
|
53
|
48
|
45
|
57
|
64
|
62
|
44
|
|
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
|
|||
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1
|
2
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3
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4
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5
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6
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7
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8
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9
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10
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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