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
20 Apr
Sun
21 Apr
Mon
22 Apr
Tue
23 Apr
Wed
24 Apr
Thu
25 Apr
Fri
26 Apr
Real-time AQI (Monitoring Station in Zhoukou)
市环境监测站
9237
PM2.5
134 *
PM10
130
O3
0.6
CO
9
SO2
12
NO2
周口师范
8544
PM2.5
120 *
PM10
129
O3
0.6
CO
7
SO2
15
NO2
市运管处
9040
PM2.5
130 *
PM10
136
O3
0.6
CO
9
SO2
9
NO2
川汇区环保局
9239
PM2.5
133 *
PM10
132
O3
0.6
CO
8
SO2
13
NO2
Air quality in the last 12 months (Zhoukou)
|
2024/02
|
83
|
69
|
110
|
104
|
140
|
173
|
200
|
184
|
179
|
312
|
120
|
82
|
75
|
114
|
57
|
62
|
53
|
65
|
72
|
30
|
85
|
38
|
45
|
114
|
160
|
121
|
98
|
87
|
128
|
||
|
2024/01
|
209
|
212
|
76
|
73
|
151
|
174
|
60
|
104
|
176
|
180
|
197
|
247
|
264
|
226
|
64
|
70
|
86
|
105
|
77
|
46
|
75
|
36
|
55
|
66
|
85
|
84
|
95
|
112
|
119
|
209
|
280
|
|
2023/12
|
58
|
70
|
125
|
108
|
93
|
115
|
82
|
66
|
112
|
55
|
51
|
84
|
72
|
52
|
51
|
44
|
49
|
40
|
93
|
94
|
70
|
66
|
76
|
131
|
129
|
137
|
177
|
159
|
278
|
227
|
193
|
|
2023/11
|
61
|
72
|
139
|
78
|
51
|
50
|
53
|
60
|
135
|
46
|
52
|
95
|
72
|
88
|
111
|
92
|
87
|
82
|
79
|
153
|
82
|
103
|
87
|
50
|
57
|
84
|
86
|
90
|
90
|
49
|
|
|
2023/10
|
57
|
43
|
44
|
49
|
65
|
65
|
45
|
31
|
45
|
75
|
91
|
95
|
112
|
75
|
77
|
107
|
100
|
103
|
48
|
54
|
75
|
61
|
71
|
85
|
118
|
114
|
159
|
210
|
139
|
74
|
62
|
|
2023/09
|
48
|
60
|
73
|
58
|
53
|
68
|
49
|
55
|
63
|
52
|
54
|
46
|
52
|
52
|
53
|
49
|
54
|
40
|
29
|
34
|
36
|
42
|
35
|
29
|
29
|
43
|
47
|
40
|
28
|
43
|
|
|
2023/08
|
31
|
36
|
41
|
35
|
38
|
29
|
37
|
48
|
54
|
64
|
55
|
42
|
33
|
42
|
51
|
56
|
62
|
58
|
51
|
43
|
33
|
44
|
58
|
42
|
56
|
46
|
31
|
31
|
40
|
55
|
56
|
|
2023/07
|
69
|
38
|
29
|
35
|
47
|
47
|
38
|
52
|
36
|
34
|
36
|
39
|
31
|
58
|
66
|
67
|
63
|
43
|
34
|
27
|
35
|
34
|
34
|
43
|
41
|
36
|
34
|
26
|
16
|
20
|
26
|
|
2023/06
|
65
|
60
|
51
|
26
|
36
|
46
|
63
|
57
|
74
|
87
|
83
|
77
|
69
|
74
|
70
|
62
|
48
|
32
|
28
|
60
|
59
|
69
|
68
|
61
|
37
|
46
|
47
|
33
|
37
|
72
|
|
|
2023/05
|
102
|
73
|
46
|
25
|
29
|
52
|
49
|
52
|
54
|
49
|
51
|
54
|
66
|
69
|
61
|
61
|
37
|
64
|
58
|
56
|
94
|
46
|
55
|
41
|
47
|
59
|
59
|
17
|
44
|
39
|
51
|
|
2023/04
|
62
|
68
|
34
|
27
|
32
|
70
|
84
|
66
|
69
|
73
|
325
|
469
|
171
|
183
|
203
|
96
|
81
|
100
|
86
|
100
|
92
|
52
|
28
|
41
|
56
|
50
|
49
|
83
|
199
|
108
|
|
|
2023/03
|
129
|
100
|
97
|
91
|
94
|
72
|
67
|
102
|
97
|
67
|
220
|
94
|
85
|
69
|
129
|
91
|
39
|
50
|
77
|
109
|
128
|
137
|
400
|
148
|
88
|
97
|
95
|
87
|
79
|
84
|
51
|
|
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