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
23 Jul
Fri
24 Jul
Sat
25 Jul
Sun
26 Jul
Mon
27 Jul
Tue
28 Jul
Wed
29 Jul
Real-time AQI (Monitoring Station in Kaifeng)
世纪星幼儿园
4028
PM2.5
31
PM10
125
O3
0.6
CO
4
SO2
9
NO2
龙亭公园
357
PM2.5
35
PM10
100
O3
0.5
CO
4
SO2
6
NO2
汴京公园
3712
PM2.5
28
PM10
116
O3
0.2
CO
4
SO2
11
NO2
祥符区生态环境局
3515
PM2.5
31
PM10
110
O3
0.6
CO
14
SO2
7
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
|
2025/08
|
42
|
32
|
43
|
42
|
48
|
31
|
31
|
28
|
22
|
31
|
36
|
25
|
34
|
33
|
36
|
31
|
35
|
40
|
43
|
28
|
29
|
37
|
36
|
26
|
36
|
43
|
39
|
35
|
37
|
35
|
25
|
|
2025/07
|
19
|
26
|
26
|
32
|
35
|
44
|
48
|
34
|
32
|
50
|
67
|
56
|
47
|
49
|
51
|
42
|
35
|
48
|
52
|
52
|
43
|
35
|
20
|
27
|
34
|
35
|
34
|
35
|
32
|
39
|
45
|
|
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