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
17 Sep
Fri
18 Sep
Sat
19 Sep
Sun
20 Sep
Mon
21 Sep
Tue
22 Sep
Wed
23 Sep
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
4520
PM2.5
33
PM10
142
O3
0.5
CO
5
SO2
6
NO2
世纪星幼儿园
4319
PM2.5
34
PM10
137
O3
0.4
CO
3
SO2
11
NO2
龙亭公园
4713
PM2.5
41
PM10
150
O3
0.6
CO
6
SO2
5
NO2
汴京公园
4621
PM2.5
44
PM10
146
O3
0.1
CO
7
SO2
4
NO2
技师学院
4516
PM2.5
45
PM10
140
O3
0.5
CO
4
SO2
6
NO2
祥符区生态环境局
4615
PM2.5
37
PM10
147
O3
0.6
CO
3
SO2
5
NO2
Air quality in the last 12 months (Kaifeng)
|
2026/08
|
30
|
31
|
37
|
35
|
44
|
44
|
52
|
51
|
38
|
39
|
29
|
21
|
24
|
35
|
46
|
51
|
44
|
50
|
38
|
58
|
33
|
35
|
39
|
32
|
36
|
36
|
27
|
27
|
32
|
36
|
45
|
|
2026/07
|
62
|
64
|
48
|
42
|
37
|
37
|
34
|
38
|
37
|
35
|
38
|
37
|
40
|
48
|
36
|
41
|
34
|
37
|
47
|
49
|
48
|
42
|
39
|
38
|
39
|
40
|
29
|
24
|
22
|
24
|
27
|
|
2026/06
|
84
|
96
|
101
|
68
|
91
|
59
|
31
|
52
|
59
|
60
|
78
|
64
|
48
|
57
|
65
|
43
|
54
|
55
|
33
|
41
|
45
|
38
|
42
|
40
|
63
|
52
|
71
|
74
|
68
|
55
|
|
|
2026/05
|
58
|
42
|
40
|
57
|
59
|
59
|
62
|
61
|
59
|
56
|
65
|
73
|
70
|
81
|
53
|
50
|
43
|
30
|
33
|
30
|
34
|
43
|
47
|
55
|
24
|
27
|
40
|
58
|
45
|
72
|
70
|
|
2026/04
|
54
|
56
|
57
|
63
|
92
|
83
|
81
|
49
|
52
|
71
|
62
|
65
|
44
|
42
|
52
|
74
|
82
|
73
|
66
|
77
|
50
|
35
|
39
|
43
|
43
|
56
|
95
|
65
|
45
|
62
|
|
|
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
|
|
|
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