Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Apr
Wed
1 May
Thu
2 May
Fri
3 May
Sat
4 May
Sun
5 May
Mon
6 May
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
5032
PM2.5
50
PM10
97
O3
0.4
CO
4
SO2
9
NO2
世纪星幼儿园
4217
PM2.5
42
PM10
92
O3
0.4
CO
3
SO2
8
NO2
龙亭公园
4516
PM2.5
45
PM10
92
O3
0.5
CO
4
SO2
6
NO2
汴京公园
6229
PM2.5
73 *
PM10
94
O3
0.3
CO
3
SO2
10
NO2
技师学院
5124
PM2.5
52 *
PM10
95
O3
0.3
CO
4
SO2
9
NO2
祥符区生态环境局
4127
PM2.5
41
PM10
85
O3
0.3
CO
6
SO2
11
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
2023/06
|
52
|
65
|
55
|
27
|
46
|
69
|
84
|
70
|
75
|
90
|
89
|
62
|
77
|
78
|
74
|
62
|
53
|
39
|
31
|
66
|
81
|
73
|
71
|
75
|
42
|
52
|
65
|
35
|
46
|
75
|
|
|
2023/05
|
100
|
72
|
38
|
23
|
27
|
49
|
48
|
53
|
53
|
55
|
52
|
60
|
65
|
76
|
69
|
63
|
42
|
64
|
63
|
82
|
85
|
44
|
60
|
49
|
52
|
55
|
34
|
22
|
32
|
35
|
53
|
|
2023/04
|
66
|
69
|
46
|
29
|
36
|
68
|
72
|
75
|
77
|
81
|
342
|
494
|
199
|
280
|
270
|
84
|
88
|
107
|
90
|
117
|
67
|
29
|
26
|
41
|
52
|
64
|
52
|
115
|
140
|
86
|
|
|
2023/03
|
110
|
106
|
110
|
81
|
102
|
99
|
124
|
115
|
115
|
80
|
249
|
104
|
127
|
82
|
152
|
75
|
48
|
58
|
82
|
111
|
113
|
232
|
383
|
139
|
103
|
101
|
98
|
86
|
78
|
85
|
54
|
|
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