Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Aug
Wed
12 Aug
Thu
13 Aug
Fri
14 Aug
Sat
15 Aug
Sun
16 Aug
Mon
17 Aug
Real-time AQI (Monitoring Station in Zhoukou)
周口师范
128
PM2.5
8
PM10
26
O3
0.5
CO
2
SO2
5
NO2
七一路
116
PM2.5
11
PM10
34
O3
0.4
CO
2
SO2
6
NO2
健康路46号
83
PM2.5
8
PM10
25
O3
0.6
CO
1
SO2
6
NO2
太昊路
113
PM2.5
11
PM10
32
O3
0.2
CO
3
SO2
6
NO2
Air quality in the last 12 months (Zhoukou)
|
2026/07
|
55
|
37
|
37
|
25
|
24
|
21
|
23
|
27
|
27
|
27
|
35
|
33
|
28
|
40
|
40
|
34
|
30
|
32
|
42
|
47
|
46
|
31
|
24
|
36
|
32
|
41
|
21
|
36
|
20
|
24
|
24
|
|
2026/06
|
71
|
86
|
79
|
62
|
68
|
75
|
31
|
40
|
43
|
58
|
75
|
50
|
37
|
50
|
48
|
37
|
46
|
53
|
35
|
32
|
43
|
30
|
35
|
30
|
43
|
51
|
75
|
68
|
72
|
59
|
|
|
2026/05
|
50
|
36
|
38
|
47
|
48
|
51
|
71
|
51
|
51
|
49
|
54
|
61
|
68
|
61
|
46
|
42
|
43
|
24
|
32
|
22
|
31
|
49
|
49
|
39
|
21
|
20
|
34
|
63
|
50
|
58
|
67
|
|
2026/04
|
69
|
55
|
40
|
72
|
89
|
76
|
61
|
38
|
37
|
58
|
61
|
58
|
41
|
36
|
46
|
66
|
70
|
68
|
68
|
81
|
55
|
35
|
39
|
31
|
39
|
49
|
72
|
59
|
44
|
46
|
|
|
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
|
|
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