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
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Mon
27 Oct
Tue
28 Oct
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
5740 *
PM2.5
56
PM10
18
O3
0.7
CO
10
SO2
44
NO2
银行学校
5539
PM2.5
60
PM10
10
O3
0.6
CO
8
SO2
52
NO2
供水公司
5839
PM2.5
66 *
PM10
15
O3
0.3
CO
6
SO2
47
NO2
经开区管委
6043 *
PM2.5
53
PM10
5
O3
0.5
CO
6
SO2
50
NO2
四十七中
5236
PM2.5
54
PM10
5
O3
0.7
CO
9
SO2
62
NO2
河医大
5335
PM2.5
55 *
PM10
19
O3
0.5
CO
9
SO2
47
NO2
岗李水库
4119
PM2.5
41
PM10
5
O3
0.4
CO
5
SO2
12
NO2
惠济区政府
6849 *
PM2.5
62
PM10
3
O3
0.7
CO
8
SO2
44
NO2
北区建设指挥部
5934
PM2.5
68 *
PM10
15
O3
0.7
CO
13
SO2
59
NO2
上街区政府
6741
PM2.5
84 *
PM10
1
O3
0.7
CO
7
SO2
39
NO2
计划路2号
5438 *
PM2.5
55
PM10
8
O3
0.5
CO
9
SO2
60
NO2
同乐路9号
5337 *
PM2.5
51
PM10
12
O3
0.5
CO
7
SO2
55
NO2
Air quality in the last 12 months (Zhengzhou)
|
2025/08
|
38
|
27
|
38
|
37
|
48
|
29
|
34
|
32
|
25
|
31
|
38
|
34
|
40
|
30
|
34
|
27
|
32
|
37
|
39
|
30
|
29
|
37
|
36
|
24
|
41
|
39
|
37
|
34
|
34
|
36
|
35
|
|
2025/07
|
20
|
26
|
27
|
34
|
31
|
35
|
42
|
34
|
32
|
45
|
56
|
48
|
47
|
49
|
47
|
45
|
31
|
42
|
49
|
49
|
33
|
30
|
20
|
23
|
32
|
34
|
35
|
35
|
40
|
37
|
35
|
|
2025/06
|
47
|
56
|
58
|
62
|
58
|
59
|
84
|
82
|
66
|
63
|
63
|
50
|
54
|
47
|
54
|
51
|
52
|
35
|
30
|
32
|
43
|
50
|
38
|
46
|
59
|
27
|
42
|
36
|
25
|
30
|
|
|
2025/05
|
73
|
109
|
63
|
59
|
160
|
173
|
170
|
90
|
87
|
45
|
49
|
61
|
73
|
69
|
51
|
77
|
172
|
89
|
113
|
73
|
82
|
73
|
85
|
56
|
59
|
53
|
69
|
64
|
74
|
72
|
54
|
|
2025/04
|
71
|
55
|
59
|
93
|
70
|
84
|
92
|
96
|
96
|
109
|
97
|
266
|
103
|
53
|
63
|
127
|
127
|
106
|
59
|
64
|
58
|
66
|
120
|
95
|
80
|
75
|
90
|
64
|
58
|
112
|
|
|
2025/03
|
84
|
50
|
41
|
49
|
102
|
96
|
82
|
87
|
101
|
97
|
100
|
131
|
156
|
65
|
73
|
46
|
45
|
58
|
57
|
45
|
47
|
66
|
88
|
281
|
117
|
135
|
100
|
162
|
60
|
57
|
71
|
|
2025/02
|
100
|
168
|
100
|
40
|
41
|
60
|
92
|
46
|
64
|
86
|
128
|
93
|
54
|
66
|
65
|
70
|
75
|
82
|
55
|
69
|
95
|
98
|
76
|
89
|
78
|
85
|
115
|
144
|
|||
|
2025/01
|
150
|
103
|
92
|
112
|
91
|
59
|
57
|
52
|
52
|
70
|
63
|
57
|
90
|
107
|
53
|
52
|
75
|
83
|
72
|
138
|
206
|
134
|
68
|
124
|
119
|
64
|
33
|
56
|
264
|
212
|
100
|
|
2024/12
|
51
|
55
|
66
|
149
|
47
|
50
|
78
|
66
|
81
|
95
|
116
|
126
|
73
|
59
|
48
|
49
|
96
|
61
|
55
|
89
|
64
|
58
|
100
|
143
|
134
|
111
|
75
|
47
|
59
|
69
|
90
|
|
2024/11
|
84
|
84
|
83
|
55
|
43
|
84
|
78
|
59
|
68
|
133
|
156
|
184
|
161
|
61
|
64
|
67
|
48
|
55
|
51
|
65
|
68
|
130
|
107
|
62
|
52
|
49
|
69
|
50
|
42
|
48
|
|
|
2024/10
|
57
|
44
|
55
|
55
|
59
|
84
|
123
|
148
|
145
|
76
|
96
|
111
|
104
|
119
|
134
|
93
|
64
|
17
|
30
|
26
|
49
|
47
|
51
|
72
|
84
|
108
|
117
|
148
|
153
|
142
|
226
|
|
2024/09
|
51
|
26
|
39
|
54
|
38
|
26
|
54
|
62
|
55
|
35
|
26
|
32
|
41
|
50
|
34
|
45
|
52
|
44
|
40
|
46
|
14
|
23
|
47
|
66
|
82
|
108
|
101
|
65
|
57
|
13
|
|
|
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