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
13 Aug
Thu
14 Aug
Fri
15 Aug
Sat
16 Aug
Sun
17 Aug
Mon
18 Aug
Tue
19 Aug
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
3515
PM2.5
35
PM10
89
O3
0.6
CO
4
SO2
13
NO2
世纪星幼儿园
2817
PM2.5
20
PM10
88
O3
1.0
CO
4
SO2
12
NO2
龙亭公园
3510
PM2.5
35
PM10
83
O3
0.8
CO
4
SO2
9
NO2
汴京公园
3222
PM2.5
30
PM10
86
O3
0.5
CO
4
SO2
12
NO2
祥符区生态环境局
3826
PM2.5
37
PM10
55
O3
0.7
CO
8
SO2
28
NO2
Air quality in the last 12 months (Kaifeng)
|
2025/06
|
54
|
62
|
70
|
74
|
66
|
63
|
83
|
84
|
65
|
63
|
57
|
55
|
57
|
52
|
57
|
53
|
54
|
42
|
32
|
35
|
50
|
44
|
45
|
50
|
61
|
26
|
36
|
31
|
21
|
30
|
|
|
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
|
|
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