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
28 Jan
Wed
29 Jan
Thu
30 Jan
Fri
31 Jan
Sat
1 Feb
Sun
2 Feb
Mon
3 Feb
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
2412
PM2.5
24
PM10
66
O3
0.5
CO
3
SO2
5
NO2
世纪星幼儿园
3114
PM2.5
31
PM10
60
O3
0.4
CO
6
SO2
10
NO2
龙亭公园
2414
PM2.5
24
PM10
64
O3
0.8
CO
4
SO2
7
NO2
汴京公园
2612
PM2.5
26
PM10
64
O3
0.5
CO
4
SO2
5
NO2
技师学院
2316
PM2.5
22
PM10
58
O3
0.5
CO
2
SO2
14
NO2
祥符区生态环境局
3211
PM2.5
32
PM10
65
O3
0.4
CO
3
SO2
9
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
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
|
|
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