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
21 Aug
Fri
22 Aug
Sat
23 Aug
Sun
24 Aug
Mon
25 Aug
Tue
26 Aug
Wed
27 Aug
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
4221
PM2.5
37
PM10
134
O3
0.6
CO
6
SO2
9
NO2
经开区管委
4113
PM2.5
25
PM10
130
O3
0.4
CO
2
SO2
5
NO2
惠济区政府
3512
PM2.5
34
PM10
112
O3
0.5
CO
4
SO2
6
NO2
同乐路9号
3911
PM2.5
25
PM10
123
O3
0.8
CO
6
SO2
5
NO2
Air quality in the last 12 months (Zhengzhou)
|
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
|
|
|
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
|
|
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