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 Zhengzhou)
烟厂
2613
PM2.5
26
PM10
71
O3
0.7
CO
6
SO2
11
NO2
郑纺机
2815
PM2.5
28
PM10
65
O3
0.4
CO
9
SO2
12
NO2
银行学校
3015
PM2.5
30
PM10
64
O3
0.7
CO
5
SO2
10
NO2
供水公司
3519
PM2.5
35
PM10
66
O3
0.6
CO
8
SO2
10
NO2
经开区管委
2819
PM2.5
28
PM10
65
O3
0.5
CO
9
SO2
4
NO2
市监测站
2916
PM2.5
29
PM10
69
O3
0.6
CO
12
SO2
4
NO2
河医大
4015
PM2.5
40
PM10
66
O3
0.5
CO
9
SO2
5
NO2
惠济区政府
3118
PM2.5
31
PM10
66
O3
0.3
CO
4
SO2
13
NO2
北区建设指挥部
3412
PM2.5
34
PM10
68
O3
0.5
CO
8
SO2
6
NO2
上街区政府
4020
PM2.5
40
PM10
66
O3
0.5
CO
11
SO2
16
NO2
Air quality in the last 12 months (Zhengzhou)
|
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
|
|
2024/02
|
66
|
48
|
81
|
103
|
120
|
200
|
217
|
188
|
135
|
237
|
89
|
123
|
109
|
163
|
66
|
64
|
66
|
93
|
78
|
45
|
47
|
28
|
42
|
86
|
180
|
104
|
93
|
78
|
123
|
||
|
2024/01
|
142
|
140
|
51
|
78
|
113
|
91
|
48
|
102
|
150
|
127
|
138
|
262
|
350
|
185
|
48
|
73
|
133
|
122
|
65
|
65
|
68
|
37
|
47
|
49
|
44
|
51
|
63
|
60
|
112
|
202
|
248
|
|
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