Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
Mon
30 Jun
Tue
1 Jul
Wed
2 Jul
Thu
3 Jul
Fri
4 Jul
Sat
5 Jul
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
343
PM2.5
6
PM10
106
O3
0.2
CO
4
SO2
10
NO2
世纪星幼儿园
523
PM2.5
54 *
PM10
105
O3
0.4
CO
1
SO2
8
NO2
汴京公园
353
PM2.5
7
PM10
112
O3
0.4
CO
4
SO2
8
NO2
祥符区生态环境局
293
PM2.5
7
PM10
90
O3
0.6
CO
4
SO2
11
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
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
|
|
|
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