Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
61
*
PM10
86
O3
0.6
CO
8
SO2
23
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 May
131
Light
Fri
30 May
130
Light
Sat
31 May
110
Light
Sun
1 Jun
108
Light
Mon
2 Jun
103
Light
Tue
3 Jun
111
Light
Wed
4 Jun
24
Excellent
Air quality in the last 12 months (Pei County)
|
2025/04
|
69
|
50
|
54
|
66
|
81
|
74
|
76
|
86
|
82
|
83
|
62
|
164
|
81
|
64
|
56
|
67
|
90
|
98
|
64
|
62
|
48
|
77
|
83
|
87
|
68
|
59
|
62
|
56
|
56
|
73
|
|
|
2025/03
|
120
|
32
|
46
|
63
|
78
|
84
|
89
|
93
|
92
|
98
|
118
|
148
|
84
|
61
|
73
|
48
|
53
|
44
|
57
|
66
|
58
|
65
|
83
|
120
|
117
|
96
|
111
|
154
|
55
|
55
|
71
|
|
2025/02
|
134
|
161
|
125
|
56
|
53
|
58
|
64
|
43
|
62
|
67
|
96
|
116
|
91
|
81
|
102
|
89
|
58
|
72
|
65
|
55
|
66
|
90
|
69
|
51
|
76
|
110
|
118
|
116
|
|||
|
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
|
|
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