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
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
7335
PM2.5
96 *
PM10
60
O3
0.5
CO
6
SO2
27
NO2
世纪星幼儿园
6944
PM2.5
88 *
PM10
78
O3
0.6
CO
7
SO2
23
NO2
龙亭公园
7042
PM2.5
89 *
PM10
78
O3
0.3
CO
3
SO2
27
NO2
汴京公园
7234
PM2.5
94 *
PM10
66
O3
0.5
CO
5
SO2
29
NO2
技师学院
9369 *
PM2.5
88
PM10
84
O3
0.6
CO
11
SO2
23
NO2
祥符区生态环境局
7836
PM2.5
105 *
PM10
60
O3
0.7
CO
5
SO2
30
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