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
22 Apr
Wed
23 Apr
Thu
24 Apr
Fri
25 Apr
Sat
26 Apr
Sun
27 Apr
Mon
28 Apr
Real-time AQI (Monitoring Station in Zhoukou)
周口师范
3924
PM2.5
39
PM10
78
O3
0.9
CO
3
SO2
23
NO2
健康路46号
6338
PM2.5
76 *
PM10
41
O3
1.1
CO
2
SO2
33
NO2
太昊路
6427
PM2.5
77 *
PM10
30
O3
0.7
CO
6
SO2
66
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