Air Quality
Severe
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
Advise
Children, seniors and the sick should stay indoors and avoid physical exertion. General population should avoid outdoor activities.
Air Quality
Today
23 Feb
Tue
24 Feb
Wed
25 Feb
Thu
26 Feb
Fri
27 Feb
Sat
28 Feb
Sun
1 Mar
Real-time AQI (Monitoring Station in Kaifeng)
肿瘤医院
30789
PM2.5
425 *
PM10
59
O3
0.5
CO
10
SO2
17
NO2
世纪星幼儿园
30980
PM2.5
427 *
PM10
59
O3
0.6
CO
11
SO2
18
NO2
龙亭公园
34267
PM2.5
453 *
PM10
50
O3
0.5
CO
10
SO2
27
NO2
汴京公园
32261
PM2.5
437 *
PM10
51
O3
0.3
CO
10
SO2
23
NO2
技师学院
33298
PM2.5
445 *
PM10
50
O3
0.5
CO
9
SO2
24
NO2
祥符区生态环境局
41882
PM2.5
518 *
PM10
46
O3
0.5
CO
5
SO2
27
NO2
Air quality in the last 12 months (Kaifeng)
|
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
|
|
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
|
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
|
26
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27
|
28
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29
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30
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31
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- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution