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
27 Jul
Sun
28 Jul
Mon
29 Jul
Tue
30 Jul
Wed
31 Jul
Thu
1 Aug
Fri
2 Aug
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
3711
PM2.5
37
PM10
63
O3
0.6
CO
3
SO2
3
NO2
世纪星幼儿园
4617
PM2.5
46
PM10
69
O3
0.6
CO
3
SO2
5
NO2
汴京公园
3624
PM2.5
36
PM10
63
O3
0.5
CO
3
SO2
4
NO2
技师学院
2618
PM2.5
24
PM10
69
O3
0.7
CO
3
SO2
6
NO2
祥符区生态环境局
3923
PM2.5
39
PM10
48
O3
0.4
CO
4
SO2
13
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
2024/02
|
55
|
52
|
78
|
78
|
138
|
182
|
194
|
209
|
164
|
268
|
112
|
101
|
94
|
165
|
54
|
68
|
58
|
90
|
69
|
48
|
87
|
30
|
42
|
80
|
174
|
129
|
109
|
90
|
122
|
||
|
2024/01
|
142
|
203
|
90
|
85
|
151
|
129
|
53
|
113
|
152
|
136
|
175
|
265
|
355
|
173
|
61
|
69
|
111
|
106
|
59
|
48
|
66
|
35
|
62
|
65
|
68
|
65
|
93
|
93
|
121
|
215
|
234
|
|
2023/12
|
49
|
84
|
116
|
117
|
134
|
125
|
102
|
80
|
121
|
52
|
50
|
95
|
93
|
58
|
55
|
37
|
49
|
47
|
135
|
81
|
81
|
71
|
112
|
139
|
94
|
182
|
90
|
101
|
176
|
223
|
144
|
|
2023/11
|
63
|
76
|
125
|
71
|
32
|
55
|
61
|
105
|
122
|
36
|
54
|
96
|
71
|
111
|
141
|
91
|
73
|
89
|
78
|
160
|
125
|
130
|
81
|
49
|
60
|
88
|
80
|
94
|
68
|
56
|
|
|
2023/10
|
55
|
31
|
43
|
72
|
67
|
48
|
51
|
54
|
76
|
76
|
72
|
113
|
102
|
86
|
67
|
103
|
104
|
85
|
39
|
46
|
76
|
65
|
78
|
92
|
71
|
97
|
95
|
119
|
80
|
77
|
65
|
|
2023/09
|
52
|
64
|
65
|
65
|
75
|
94
|
78
|
55
|
59
|
59
|
66
|
70
|
46
|
58
|
54
|
61
|
61
|
55
|
36
|
31
|
47
|
54
|
50
|
29
|
39
|
43
|
46
|
43
|
36
|
60
|
|
|
2023/08
|
30
|
35
|
40
|
42
|
41
|
29
|
36
|
51
|
63
|
65
|
67
|
37
|
37
|
42
|
49
|
57
|
62
|
60
|
45
|
45
|
39
|
55
|
51
|
37
|
51
|
36
|
24
|
32
|
45
|
48
|
57
|
|
2023/07
|
68
|
45
|
31
|
37
|
72
|
54
|
63
|
76
|
69
|
41
|
40
|
28
|
36
|
55
|
58
|
50
|
63
|
52
|
44
|
26
|
28
|
34
|
65
|
53
|
50
|
42
|
45
|
35
|
17
|
20
|
31
|
|
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