Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
24 Apr
Fri
25 Apr
Sat
26 Apr
Sun
27 Apr
Mon
28 Apr
Tue
29 Apr
Wed
30 Apr
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
14938
PM2.5
248 *
PM10
70
O3
0.4
CO
9
SO2
12
NO2
世纪星幼儿园
220170 *
PM2.5
266
PM10
84
O3
0.6
CO
6
SO2
16
NO2
龙亭公园
14631
PM2.5
242 *
PM10
73
O3
0.6
CO
4
SO2
16
NO2
汴京公园
16741
PM2.5
283 *
PM10
76
O3
0.7
CO
5
SO2
14
NO2
技师学院
17654
PM2.5
302 *
PM10
74
O3
0.8
CO
5
SO2
19
NO2
祥符区生态环境局
9740
PM2.5
144 *
PM10
66
O3
0.5
CO
10
SO2
21
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