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
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Mon
7 Apr
Tue
8 Apr
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
469
PM2.5
46
PM10
65
O3
0.4
CO
7
SO2
15
NO2
世纪星幼儿园
533
PM2.5
56 *
PM10
70
O3
0.6
CO
8
SO2
20
NO2
龙亭公园
5412
PM2.5
57 *
PM10
62
O3
0.4
CO
4
SO2
23
NO2
汴京公园
508
PM2.5
50
PM10
66
O3
0.4
CO
3
SO2
22
NO2
技师学院
4420
PM2.5
44
PM10
61
O3
0.5
CO
12
SO2
25
NO2
祥符区生态环境局
5923
PM2.5
68 *
PM10
56
O3
0.3
CO
6
SO2
20
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
2024/12
|
60
|
60
|
86
|
133
|
90
|
64
|
98
|
59
|
75
|
109
|
132
|
126
|
75
|
65
|
55
|
66
|
103
|
69
|
55
|
104
|
78
|
59
|
95
|
143
|
155
|
130
|
79
|
52
|
92
|
80
|
109
|
|
2024/11
|
61
|
71
|
104
|
69
|
54
|
92
|
76
|
62
|
61
|
89
|
135
|
138
|
142
|
59
|
71
|
64
|
50
|
55
|
44
|
77
|
95
|
146
|
90
|
57
|
43
|
48
|
77
|
52
|
46
|
72
|
|
|
2024/10
|
48
|
49
|
61
|
69
|
62
|
77
|
120
|
102
|
115
|
93
|
89
|
127
|
104
|
131
|
141
|
87
|
64
|
17
|
30
|
28
|
54
|
72
|
87
|
72
|
91
|
115
|
132
|
119
|
125
|
133
|
172
|
|
2024/09
|
52
|
27
|
42
|
52
|
44
|
30
|
57
|
61
|
55
|
44
|
24
|
32
|
29
|
40
|
38
|
44
|
52
|
36
|
44
|
47
|
18
|
34
|
56
|
64
|
85
|
114
|
105
|
63
|
62
|
14
|
|
|
2024/08
|
25
|
28
|
32
|
32
|
30
|
18
|
29
|
38
|
33
|
95
|
83
|
33
|
35
|
40
|
51
|
48
|
46
|
27
|
23
|
24
|
31
|
49
|
53
|
55
|
53
|
45
|
26
|
31
|
44
|
49
|
52
|
|
2024/07
|
35
|
30
|
45
|
21
|
25
|
29
|
30
|
13
|
39
|
65
|
58
|
32
|
59
|
64
|
39
|
40
|
22
|
25
|
27
|
24
|
35
|
34
|
29
|
41
|
28
|
20
|
30
|
19
|
19
|
22
|
18
|
|
2024/06
|
72
|
113
|
98
|
103
|
67
|
65
|
54
|
59
|
64
|
63
|
62
|
61
|
62
|
62
|
58
|
37
|
38
|
53
|
54
|
56
|
41
|
49
|
68
|
99
|
100
|
62
|
58
|
49
|
29
|
43
|
|
|
2024/05
|
52
|
57
|
53
|
49
|
58
|
74
|
72
|
74
|
72
|
77
|
144
|
127
|
115
|
95
|
87
|
76
|
79
|
73
|
61
|
63
|
61
|
58
|
62
|
71
|
66
|
62
|
51
|
59
|
77
|
58
|
106
|
|
2024/04
|
98
|
100
|
63
|
45
|
66
|
53
|
57
|
61
|
79
|
77
|
54
|
49
|
56
|
32
|
45
|
81
|
80
|
75
|
74
|
79
|
72
|
72
|
93
|
101
|
87
|
72
|
65
|
63
|
62
|
54
|
|
|
2024/03
|
91
|
99
|
101
|
106
|
118
|
89
|
97
|
55
|
67
|
78
|
86
|
110
|
108
|
113
|
78
|
107
|
106
|
76
|
101
|
91
|
101
|
112
|
105
|
48
|
42
|
62
|
42
|
75
|
77
|
99
|
82
|
|
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