Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
75
PM2.5
214
*
PM10
89
O3
0.8
CO
6
SO2
21
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
13 Mar
90
Good
Fri
14 Mar
60
Good
Sat
15 Mar
59
Good
Sun
16 Mar
77
Good
Mon
17 Mar
80
Good
Tue
18 Mar
31
Excellent
Wed
19 Mar
20
Excellent
Pei County Air quality rank
Air quality in the last 12 months (Pei County)
|
2025/01
|
116
|
169
|
87
|
124
|
167
|
81
|
70
|
65
|
50
|
50
|
93
|
104
|
104
|
118
|
60
|
76
|
88
|
113
|
123
|
138
|
168
|
164
|
90
|
75
|
93
|
90
|
44
|
73
|
137
|
100
|
177
|
|
2024/12
|
92
|
93
|
62
|
125
|
174
|
158
|
123
|
57
|
61
|
97
|
114
|
60
|
87
|
83
|
77
|
95
|
123
|
53
|
60
|
102
|
76
|
59
|
86
|
105
|
147
|
134
|
79
|
74
|
66
|
106
|
115
|
|
2024/11
|
109
|
89
|
99
|
79
|
46
|
62
|
48
|
42
|
45
|
64
|
81
|
103
|
115
|
73
|
76
|
81
|
48
|
43
|
42
|
51
|
85
|
71
|
45
|
48
|
41
|
47
|
56
|
56
|
57
|
66
|
|
|
2024/10
|
36
|
29
|
40
|
45
|
44
|
33
|
44
|
60
|
57
|
85
|
75
|
83
|
69
|
88
|
107
|
99
|
38
|
20
|
36
|
40
|
52
|
71
|
59
|
61
|
74
|
64
|
134
|
75
|
82
|
105
|
101
|
|
2024/09
|
44
|
35
|
36
|
41
|
48
|
31
|
40
|
36
|
33
|
43
|
39
|
33
|
48
|
61
|
36
|
47
|
27
|
18
|
28
|
30
|
24
|
34
|
37
|
47
|
50
|
63
|
67
|
37
|
36
|
36
|
|
|
2024/08
|
28
|
24
|
29
|
32
|
25
|
13
|
33
|
17
|
39
|
56
|
116
|
45
|
44
|
47
|
35
|
42
|
35
|
37
|
23
|
34
|
43
|
43
|
44
|
54
|
53
|
38
|
12
|
30
|
37
|
36
|
41
|
|
2024/07
|
45
|
51
|
38
|
20
|
27
|
17
|
22
|
22
|
30
|
79
|
75
|
67
|
59
|
34
|
32
|
26
|
15
|
29
|
28
|
16
|
30
|
35
|
38
|
49
|
34
|
30
|
17
|
17
|
21
|
28
|
27
|
|
2024/06
|
40
|
63
|
73
|
58
|
56
|
48
|
56
|
63
|
65
|
69
|
63
|
64
|
70
|
65
|
46
|
56
|
42
|
47
|
51
|
48
|
51
|
60
|
68
|
108
|
94
|
50
|
59
|
45
|
38
|
33
|
|
|
2024/05
|
52
|
47
|
55
|
44
|
56
|
69
|
62
|
56
|
52
|
59
|
129
|
113
|
94
|
79
|
71
|
59
|
69
|
68
|
56
|
56
|
45
|
48
|
44
|
56
|
48
|
50
|
40
|
50
|
53
|
53
|
80
|
|
2024/04
|
75
|
88
|
71
|
44
|
61
|
61
|
59
|
70
|
74
|
79
|
62
|
66
|
50
|
23
|
37
|
82
|
92
|
86
|
72
|
77
|
62
|
69
|
81
|
84
|
69
|
66
|
49
|
37
|
57
|
58
|
|
|
2024/03
|
69
|
74
|
75
|
84
|
85
|
89
|
105
|
62
|
67
|
101
|
102
|
78
|
80
|
54
|
52
|
98
|
125
|
68
|
89
|
80
|
82
|
81
|
85
|
55
|
52
|
60
|
73
|
84
|
71
|
104
|
81
|
|
2024/02
|
46
|
48
|
74
|
55
|
74
|
131
|
169
|
176
|
186
|
404
|
274
|
78
|
69
|
81
|
39
|
46
|
49
|
64
|
50
|
31
|
36
|
35
|
41
|
79
|
112
|
86
|
66
|
78
|
67
|
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1
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2
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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
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
|
23
|
24
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25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution