Air Quality
Good
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.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 May
Fri
2 May
Sat
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Wed
7 May
Real-time AQI (Monitoring Station in Zhoukou)
周口师范
8225
PM2.5
114 *
PM10
122
O3
0.4
CO
4
SO2
14
NO2
七一路
7533
PM2.5
100 *
PM10
115
O3
0.6
CO
9
SO2
14
NO2
健康路46号
7926
PM2.5
108 *
PM10
132
O3
0.4
CO
4
SO2
10
NO2
太昊路
7731
PM2.5
103 *
PM10
106
O3
0.6
CO
9
SO2
18
NO2
Air quality in the last 12 months (Zhoukou)
|
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
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution