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
18 Apr
Sun
19 Apr
Mon
20 Apr
Tue
21 Apr
Wed
22 Apr
Thu
23 Apr
Fri
24 Apr
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
6024
PM2.5
64 *
PM10
143
O3
0.5
CO
6
SO2
9
NO2
世纪星幼儿园
7027
PM2.5
77 *
PM10
141
O3
0.4
CO
6
SO2
15
NO2
汴京公园
6230
PM2.5
66 *
PM10
155
O3
0.3
CO
4
SO2
10
NO2
技师学院
7928
PM2.5
90 *
PM10
147
O3
0.4
CO
4
SO2
8
NO2
Air quality in the last 12 months (Kaifeng)
|
2026/03
|
62
|
87
|
115
|
142
|
97
|
70
|
68
|
106
|
129
|
151
|
171
|
185
|
149
|
132
|
40
|
83
|
134
|
77
|
67
|
95
|
82
|
90
|
117
|
115
|
96
|
77
|
79
|
84
|
51
|
65
|
71
|
|
2026/02
|
107
|
149
|
126
|
117
|
132
|
68
|
68
|
92
|
74
|
87
|
91
|
102
|
117
|
124
|
91
|
51
|
110
|
74
|
74
|
67
|
85
|
300
|
193
|
66
|
44
|
51
|
94
|
74
|
|||
|
2026/01
|
58
|
97
|
136
|
133
|
228
|
49
|
48
|
81
|
66
|
79
|
57
|
73
|
91
|
133
|
87
|
116
|
72
|
70
|
63
|
50
|
89
|
108
|
168
|
169
|
189
|
180
|
206
|
104
|
182
|
119
|
151
|
|
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
|
|
|
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