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
16 Apr
Fri
17 Apr
Sat
18 Apr
Sun
19 Apr
Mon
20 Apr
Tue
21 Apr
Wed
22 Apr
Real-time AQI (Monitoring Station in Zhoukou)
周口师范
5437 *
PM2.5
50
PM10
124
O3
0.6
CO
3
SO2
8
NO2
羲皇大道
5236 *
PM2.5
38
PM10
134
O3
0.5
CO
4
SO2
8
NO2
七一路
7246 *
PM2.5
49
PM10
126
O3
0.6
CO
5
SO2
9
NO2
健康路46号
5236 *
PM2.5
45
PM10
123
O3
1.3
CO
2
SO2
6
NO2
Air quality in the last 12 months (Zhoukou)
|
2026/03
|
60
|
62
|
65
|
103
|
68
|
92
|
71
|
82
|
127
|
112
|
141
|
205
|
102
|
124
|
55
|
119
|
94
|
84
|
67
|
84
|
81
|
88
|
110
|
116
|
89
|
72
|
70
|
65
|
69
|
76
|
75
|
|
2026/02
|
89
|
113
|
121
|
113
|
158
|
81
|
75
|
90
|
61
|
88
|
93
|
94
|
102
|
96
|
106
|
48
|
89
|
84
|
79
|
64
|
58
|
251
|
207
|
52
|
50
|
50
|
106
|
66
|
|||
|
2026/01
|
55
|
113
|
92
|
101
|
194
|
70
|
47
|
73
|
62
|
83
|
57
|
74
|
92
|
163
|
101
|
116
|
92
|
53
|
61
|
44
|
57
|
82
|
100
|
128
|
176
|
176
|
135
|
83
|
95
|
123
|
118
|
|
2025/12
|
138
|
91
|
59
|
101
|
121
|
110
|
115
|
101
|
88
|
136
|
203
|
52
|
64
|
86
|
62
|
130
|
212
|
224
|
175
|
218
|
135
|
52
|
78
|
86
|
98
|
67
|
79
|
95
|
167
|
167
|
111
|
|
2025/11
|
103
|
86
|
76
|
64
|
84
|
73
|
38
|
62
|
65
|
86
|
58
|
58
|
91
|
143
|
121
|
132
|
41
|
45
|
50
|
59
|
85
|
86
|
81
|
110
|
87
|
94
|
257
|
110
|
79
|
103
|
|
|
2025/10
|
30
|
9
|
29
|
25
|
29
|
14
|
35
|
68
|
24
|
15
|
16
|
22
|
22
|
31
|
33
|
38
|
13
|
34
|
44
|
41
|
51
|
56
|
73
|
93
|
81
|
80
|
98
|
73
|
80
|
81
|
197
|
|
2025/09
|
35
|
44
|
40
|
48
|
50
|
44
|
50
|
17
|
26
|
32
|
16
|
16
|
36
|
28
|
24
|
32
|
23
|
18
|
11
|
23
|
38
|
26
|
14
|
28
|
39
|
30
|
18
|
26
|
31
|
32
|
|
|
2025/08
|
37
|
25
|
37
|
31
|
42
|
31
|
22
|
25
|
25
|
33
|
19
|
23
|
25
|
22
|
29
|
30
|
26
|
35
|
37
|
24
|
25
|
29
|
32
|
35
|
28
|
35
|
34
|
40
|
33
|
39
|
26
|
|
2025/07
|
29
|
28
|
28
|
25
|
27
|
41
|
36
|
44
|
19
|
40
|
59
|
38
|
37
|
37
|
37
|
47
|
40
|
40
|
40
|
42
|
37
|
27
|
20
|
26
|
33
|
30
|
28
|
27
|
25
|
38
|
43
|
|
2025/06
|
51
|
54
|
64
|
60
|
56
|
54
|
62
|
46
|
43
|
33
|
43
|
50
|
54
|
44
|
44
|
69
|
53
|
29
|
16
|
32
|
40
|
23
|
42
|
39
|
45
|
36
|
35
|
25
|
22
|
25
|
|
|
2025/05
|
85
|
130
|
51
|
54
|
96
|
214
|
132
|
85
|
84
|
34
|
57
|
56
|
53
|
58
|
78
|
73
|
159
|
93
|
117
|
69
|
60
|
82
|
75
|
66
|
56
|
53
|
77
|
70
|
72
|
61
|
41
|
|
2025/04
|
67
|
45
|
56
|
77
|
77
|
82
|
79
|
79
|
111
|
107
|
75
|
255
|
146
|
67
|
58
|
79
|
89
|
83
|
49
|
63
|
54
|
71
|
88
|
114
|
79
|
70
|
78
|
53
|
51
|
85
|
|
|
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