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
1 May
Fri
2 May
Sat
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Wed
7 May
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
5632
PM2.5
61 *
PM10
57
O3
0.7
CO
4
SO2
32
NO2
银行学校
6325
PM2.5
75 *
PM10
62
O3
0.6
CO
8
SO2
25
NO2
供水公司
7835
PM2.5
105 *
PM10
52
O3
0.5
CO
8
SO2
29
NO2
经开区管委
5740 *
PM2.5
52
PM10
61
O3
0.5
CO
4
SO2
29
NO2
四十七中
5732
PM2.5
63 *
PM10
61
O3
0.5
CO
3
SO2
31
NO2
河医大
6950 *
PM2.5
74
PM10
50
O3
0.7
CO
9
SO2
34
NO2
北区建设指挥部
5942 *
PM2.5
60
PM10
52
O3
0.6
CO
4
SO2
45
NO2
上街区政府
9245
PM2.5
134 *
PM10
66
O3
0.6
CO
8
SO2
16
NO2
计划路2号
7546
PM2.5
99 *
PM10
56
O3
1.0
CO
6
SO2
27
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