Air Quality
Excellent
No health implications.
28
PM2.5
45
PM10
53
O3
0.4
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Mar
83
Good
Mon
9 Mar
108
Light
Tue
10 Mar
95
Good
Wed
11 Mar
94
Good
Thu
12 Mar
114
Light
Fri
13 Mar
99
Good
Sat
14 Mar
27
Excellent
Air quality in the last 12 months (Pei County)
|
2026/02
|
110
|
130
|
139
|
111
|
154
|
61
|
54
|
51
|
58
|
85
|
128
|
95
|
98
|
86
|
97
|
46
|
189
|
119
|
96
|
72
|
57
|
284
|
82
|
42
|
58
|
59
|
78
|
95
|
|||
|
2026/01
|
53
|
68
|
103
|
117
|
215
|
193
|
84
|
68
|
74
|
105
|
55
|
74
|
116
|
148
|
149
|
137
|
57
|
50
|
49
|
37
|
49
|
80
|
99
|
140
|
126
|
95
|
156
|
92
|
75
|
91
|
89
|
|
2025/12
|
105
|
78
|
58
|
95
|
79
|
121
|
147
|
69
|
73
|
88
|
122
|
47
|
73
|
80
|
73
|
118
|
193
|
112
|
172
|
144
|
63
|
41
|
74
|
76
|
67
|
46
|
70
|
99
|
121
|
147
|
64
|
|
2025/11
|
124
|
74
|
59
|
69
|
79
|
55
|
60
|
78
|
89
|
66
|
59
|
65
|
107
|
167
|
196
|
151
|
39
|
54
|
70
|
86
|
147
|
122
|
100
|
120
|
53
|
88
|
229
|
134
|
109
|
161
|
|
|
2025/10
|
32
|
13
|
30
|
42
|
40
|
31
|
47
|
53
|
34
|
41
|
39
|
25
|
27
|
43
|
38
|
36
|
37
|
34
|
37
|
38
|
41
|
50
|
52
|
59
|
100
|
95
|
94
|
71
|
58
|
60
|
151
|
|
2025/09
|
28
|
36
|
32
|
40
|
46
|
40
|
54
|
40
|
36
|
43
|
30
|
13
|
47
|
50
|
35
|
27
|
22
|
24
|
15
|
39
|
44
|
32
|
21
|
29
|
42
|
46
|
37
|
33
|
53
|
44
|
|
|
2025/08
|
22
|
26
|
31
|
41
|
39
|
33
|
39
|
36
|
25
|
22
|
18
|
23
|
19
|
30
|
35
|
32
|
36
|
41
|
40
|
35
|
33
|
34
|
26
|
33
|
54
|
46
|
34
|
47
|
53
|
36
|
30
|
|
2025/07
|
33
|
30
|
30
|
26
|
32
|
33
|
44
|
37
|
27
|
52
|
56
|
39
|
44
|
34
|
41
|
41
|
40
|
40
|
50
|
34
|
28
|
28
|
29
|
29
|
32
|
29
|
27
|
29
|
27
|
30
|
30
|
|
2025/06
|
48
|
43
|
61
|
65
|
67
|
64
|
50
|
68
|
59
|
54
|
65
|
48
|
48
|
51
|
49
|
59
|
48
|
39
|
24
|
27
|
46
|
47
|
47
|
45
|
54
|
46
|
37
|
32
|
12
|
25
|
|
|
2025/05
|
62
|
81
|
50
|
51
|
55
|
86
|
75
|
60
|
22
|
31
|
51
|
53
|
56
|
59
|
81
|
91
|
99
|
66
|
83
|
66
|
62
|
70
|
70
|
62
|
51
|
53
|
62
|
54
|
58
|
61
|
68
|
|
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
|
|
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