Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Only very few hypersensitive people should reduce outdoor activities.
Today
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
周口师范
6539
PM2.5
79 *
PM10
100
O3
0.5
CO
3
SO2
14
NO2
2025/02
|
101
|
127
|
151
|
46
|
58
|
59
|
93
|
60
|
61
|
66
|
114
|
129
|
117
|
89
|
79
|
80
|
76
|
79
|
109
|
72
|
78
|
110
|
110
|
61
|
78
|
105
|
117
|
94
|
|||
2025/01
|
146
|
141
|
141
|
225
|
117
|
70
|
61
|
60
|
49
|
71
|
79
|
62
|
95
|
143
|
54
|
61
|
81
|
114
|
124
|
186
|
188
|
236
|
118
|
127
|
148
|
82
|
36
|
109
|
283
|
189
|
113
|
2024/12
|
65
|
84
|
72
|
106
|
107
|
86
|
110
|
49
|
68
|
94
|
115
|
126
|
88
|
67
|
59
|
71
|
101
|
65
|
55
|
101
|
91
|
60
|
83
|
120
|
141
|
207
|
125
|
53
|
79
|
103
|
93
|
2024/11
|
115
|
110
|
117
|
78
|
56
|
86
|
67
|
63
|
68
|
77
|
110
|
126
|
96
|
105
|
114
|
83
|
38
|
42
|
33
|
62
|
77
|
105
|
70
|
53
|
52
|
50
|
65
|
58
|
48
|
62
|
|
2024/10
|
38
|
56
|
64
|
72
|
54
|
42
|
93
|
162
|
77
|
163
|
89
|
124
|
113
|
105
|
79
|
112
|
58
|
26
|
36
|
43
|
59
|
73
|
92
|
64
|
67
|
114
|
151
|
128
|
149
|
106
|
73
|
2024/09
|
47
|
39
|
40
|
50
|
57
|
37
|
57
|
61
|
56
|
56
|
32
|
30
|
25
|
55
|
45
|
50
|
52
|
27
|
38
|
53
|
24
|
35
|
54
|
58
|
65
|
61
|
54
|
58
|
60
|
29
|
|
2024/08
|
19
|
18
|
26
|
26
|
32
|
12
|
18
|
18
|
35
|
94
|
105
|
36
|
48
|
47
|
40
|
34
|
33
|
40
|
23
|
25
|
34
|
41
|
44
|
51
|
50
|
45
|
22
|
32
|
36
|
39
|
42
|
2024/07
|
39
|
28
|
35
|
15
|
27
|
17
|
26
|
35
|
29
|
54
|
42
|
31
|
39
|
44
|
30
|
28
|
16
|
13
|
23
|
23
|
27
|
28
|
31
|
37
|
47
|
44
|
17
|
13
|
14
|
21
|
19
|
2024/06
|
81
|
101
|
71
|
85
|
70
|
52
|
37
|
62
|
65
|
54
|
51
|
52
|
54
|
54
|
66
|
46
|
49
|
52
|
59
|
40
|
44
|
40
|
55
|
113
|
98
|
52
|
60
|
24
|
19
|
23
|
|
2024/05
|
66
|
64
|
56
|
50
|
61
|
62
|
66
|
68
|
58
|
68
|
177
|
136
|
109
|
82
|
119
|
67
|
70
|
67
|
66
|
64
|
61
|
56
|
50
|
50
|
74
|
57
|
56
|
60
|
84
|
95
|
103
|
2024/04
|
82
|
115
|
70
|
55
|
58
|
50
|
61
|
65
|
62
|
61
|
61
|
51
|
71
|
64
|
59
|
74
|
79
|
66
|
82
|
94
|
82
|
76
|
147
|
109
|
94
|
79
|
77
|
49
|
86
|
66
|
|
2024/03
|
126
|
112
|
81
|
108
|
155
|
131
|
112
|
63
|
63
|
85
|
89
|
113
|
117
|
97
|
113
|
118
|
137
|
109
|
107
|
110
|
97
|
78
|
85
|
60
|
53
|
61
|
53
|
76
|
62
|
76
|
91
|
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
|
*: primary pollution