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
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
5942 *
PM2.5
61
PM10
56
O3
0.4
CO
6
SO2
34
NO2
郑纺机
5831
PM2.5
66 *
PM10
51
O3
0.6
CO
10
SO2
37
NO2
银行学校
5127
PM2.5
51 *
PM10
58
O3
0.5
CO
6
SO2
30
NO2
供水公司
5025
PM2.5
50
PM10
55
O3
0.4
CO
9
SO2
28
NO2
经开区管委
6029
PM2.5
69 *
PM10
52
O3
0.5
CO
5
SO2
22
NO2
四十七中
6224
PM2.5
74 *
PM10
54
O3
0.5
CO
8
SO2
30
NO2
河医大
4421
PM2.5
44
PM10
62
O3
0.7
CO
10
SO2
25
NO2
惠济区政府
4518
PM2.5
45
PM10
60
O3
0.6
CO
5
SO2
29
NO2
北区建设指挥部
6325
PM2.5
75 *
PM10
56
O3
0.7
CO
14
SO2
32
NO2
上街区政府
4318
PM2.5
43
PM10
71
O3
0.6
CO
14
SO2
18
NO2
Air quality in the last 12 months (Zhengzhou)
|
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
|
|
|
2024/08
|
35
|
36
|
30
|
33
|
34
|
22
|
26
|
35
|
34
|
115
|
79
|
32
|
36
|
36
|
46
|
47
|
41
|
30
|
36
|
24
|
33
|
46
|
56
|
52
|
46
|
40
|
19
|
26
|
43
|
45
|
43
|
|
2024/07
|
43
|
23
|
50
|
28
|
26
|
30
|
41
|
13
|
38
|
72
|
62
|
44
|
44
|
64
|
47
|
48
|
22
|
24
|
33
|
26
|
42
|
40
|
33
|
44
|
36
|
23
|
28
|
20
|
17
|
23
|
24
|
|
2024/06
|
68
|
67
|
63
|
79
|
56
|
70
|
55
|
62
|
57
|
61
|
60
|
73
|
64
|
62
|
52
|
38
|
39
|
55
|
53
|
52
|
39
|
47
|
67
|
101
|
100
|
69
|
60
|
55
|
36
|
53
|
|
|
2024/05
|
51
|
55
|
51
|
54
|
66
|
85
|
79
|
76
|
72
|
65
|
176
|
131
|
111
|
89
|
100
|
67
|
73
|
78
|
59
|
60
|
57
|
57
|
62
|
69
|
58
|
59
|
47
|
59
|
64
|
53
|
85
|
|
2024/04
|
96
|
95
|
68
|
39
|
64
|
59
|
54
|
63
|
78
|
81
|
60
|
60
|
57
|
32
|
64
|
79
|
83
|
73
|
63
|
75
|
71
|
76
|
116
|
91
|
94
|
71
|
66
|
64
|
63
|
53
|
|
|
2024/03
|
110
|
84
|
84
|
105
|
100
|
94
|
105
|
50
|
67
|
79
|
71
|
97
|
96
|
121
|
83
|
119
|
95
|
68
|
102
|
82
|
97
|
115
|
99
|
65
|
41
|
69
|
54
|
90
|
77
|
110
|
88
|
|
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