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
7 Jul
Tue
8 Jul
Wed
9 Jul
Thu
10 Jul
Fri
11 Jul
Sat
12 Jul
Sun
13 Jul
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
343
PM2.5
7
PM10
107
O3
0.3
CO
2
SO2
12
NO2
四十七中
319
PM2.5
12
PM10
97
O3
0.5
CO
8
SO2
7
NO2
惠济区政府
3012
PM2.5
14
PM10
96
O3
0.5
CO
2
SO2
12
NO2
北区建设指挥部
2813
PM2.5
24
PM10
89
O3
0.5
CO
2
SO2
19
NO2
同乐路9号
329
PM2.5
9
PM10
102
O3
0.3
CO
4
SO2
11
NO2
Air quality in the last 12 months (Zhengzhou)
|
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
|
|
|
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
|
|
|
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