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 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Sat
7 Feb
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
9873 *
PM2.5
118
PM10
57
O3
1.0
CO
10
SO2
53
NO2
世纪星幼儿园
9772 *
PM2.5
117
PM10
56
O3
0.9
CO
6
SO2
49
NO2
龙亭公园
8661
PM2.5
122 *
PM10
68
O3
1.0
CO
9
SO2
47
NO2
汴京公园
8963
PM2.5
128 *
PM10
59
O3
0.7
CO
6
SO2
51
NO2
技师学院
7756 *
PM2.5
92
PM10
80
O3
0.8
CO
8
SO2
26
NO2
祥符区生态环境局
10068
PM2.5
149 *
PM10
35
O3
1.2
CO
9
SO2
69
NO2
Air quality in the last 12 months (Kaifeng)
|
2025/12
|
164
|
76
|
59
|
81
|
114
|
117
|
85
|
104
|
126
|
151
|
178
|
46
|
63
|
90
|
75
|
167
|
170
|
228
|
208
|
166
|
90
|
56
|
88
|
102
|
87
|
82
|
105
|
164
|
173
|
214
|
54
|
|
2025/11
|
100
|
81
|
75
|
81
|
92
|
107
|
120
|
62
|
70
|
97
|
85
|
80
|
114
|
138
|
146
|
120
|
47
|
47
|
45
|
67
|
65
|
72
|
72
|
127
|
86
|
129
|
233
|
133
|
90
|
102
|
|
|
2025/10
|
34
|
19
|
34
|
33
|
18
|
11
|
31
|
33
|
9
|
10
|
19
|
17
|
29
|
40
|
38
|
53
|
16
|
29
|
43
|
38
|
48
|
64
|
100
|
103
|
72
|
102
|
97
|
90
|
90
|
121
|
210
|
|
2025/09
|
41
|
40
|
41
|
24
|
26
|
51
|
60
|
29
|
33
|
43
|
30
|
27
|
50
|
47
|
42
|
27
|
27
|
20
|
18
|
35
|
45
|
19
|
24
|
35
|
44
|
34
|
13
|
32
|
37
|
55
|
|
|
2025/08
|
42
|
32
|
43
|
42
|
48
|
31
|
31
|
28
|
22
|
31
|
36
|
25
|
34
|
33
|
36
|
31
|
35
|
40
|
43
|
28
|
29
|
37
|
36
|
26
|
36
|
43
|
39
|
35
|
37
|
35
|
25
|
|
2025/07
|
19
|
26
|
26
|
32
|
35
|
44
|
48
|
34
|
32
|
50
|
67
|
56
|
47
|
49
|
51
|
42
|
35
|
48
|
52
|
52
|
43
|
35
|
20
|
27
|
34
|
35
|
34
|
35
|
32
|
39
|
45
|
|
2025/06
|
54
|
62
|
70
|
74
|
66
|
63
|
83
|
84
|
65
|
63
|
57
|
55
|
57
|
52
|
57
|
53
|
54
|
42
|
32
|
35
|
50
|
44
|
45
|
50
|
61
|
26
|
36
|
31
|
21
|
30
|
|
|
2025/05
|
71
|
115
|
61
|
59
|
225
|
152
|
109
|
87
|
75
|
39
|
54
|
66
|
68
|
69
|
58
|
86
|
150
|
87
|
109
|
78
|
79
|
82
|
77
|
61
|
68
|
58
|
74
|
71
|
70
|
78
|
51
|
|
2025/04
|
72
|
59
|
62
|
87
|
81
|
88
|
90
|
96
|
94
|
119
|
89
|
268
|
109
|
60
|
66
|
141
|
119
|
112
|
44
|
64
|
62
|
72
|
102
|
90
|
82
|
74
|
94
|
69
|
66
|
111
|
|
|
2025/03
|
109
|
50
|
47
|
41
|
91
|
96
|
81
|
88
|
110
|
111
|
99
|
139
|
132
|
60
|
74
|
49
|
55
|
60
|
66
|
52
|
50
|
71
|
94
|
291
|
122
|
102
|
109
|
170
|
72
|
61
|
76
|
|
2025/02
|
87
|
157
|
119
|
69
|
56
|
60
|
105
|
63
|
78
|
79
|
130
|
124
|
70
|
81
|
78
|
71
|
74
|
80
|
68
|
73
|
95
|
95
|
79
|
68
|
78
|
96
|
123
|
132
|
|||
|
2025/01
|
142
|
97
|
120
|
186
|
96
|
69
|
65
|
56
|
57
|
89
|
80
|
64
|
105
|
130
|
62
|
62
|
90
|
116
|
102
|
160
|
233
|
135
|
87
|
146
|
129
|
82
|
44
|
70
|
257
|
178
|
97
|
|
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