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 Apr
Wed
22 Apr
Thu
23 Apr
Fri
24 Apr
Sat
25 Apr
Sun
26 Apr
Mon
27 Apr
Real-time AQI (Monitoring Station in Zhengzhou)
烟厂
3218
PM2.5
20
PM10
102
O3
0.3
CO
3
SO2
15
NO2
银行学校
3321
PM2.5
21
PM10
103
O3
0.3
CO
2
SO2
10
NO2
供水公司
3712
PM2.5
17
PM10
117
O3
0.6
CO
1
SO2
9
NO2
河医大
3313
PM2.5
23
PM10
103
O3
0.3
CO
2
SO2
9
NO2
北区建设指挥部
2918
PM2.5
25
PM10
92
O3
0.4
CO
2
SO2
25
NO2
上街区政府
3112
PM2.5
16
PM10
98
O3
0.3
CO
1
SO2
7
NO2
计划路2号
3212
PM2.5
20
PM10
101
O3
0.4
CO
1
SO2
11
NO2
Air quality in the last 12 months (Zhengzhou)
|
2026/03
|
61
|
75
|
119
|
162
|
103
|
75
|
65
|
90
|
123
|
150
|
155
|
163
|
147
|
121
|
47
|
69
|
135
|
67
|
71
|
86
|
80
|
84
|
100
|
111
|
78
|
77
|
73
|
69
|
53
|
76
|
71
|
|
2026/02
|
111
|
94
|
131
|
99
|
98
|
66
|
62
|
104
|
76
|
87
|
84
|
95
|
92
|
100
|
79
|
36
|
95
|
70
|
57
|
55
|
84
|
212
|
200
|
70
|
44
|
43
|
85
|
73
|
|||
|
2026/01
|
65
|
122
|
136
|
125
|
127
|
41
|
44
|
65
|
57
|
78
|
52
|
74
|
91
|
106
|
85
|
118
|
71
|
67
|
61
|
55
|
90
|
122
|
168
|
180
|
186
|
179
|
214
|
166
|
192
|
114
|
140
|
|
2025/12
|
158
|
77
|
49
|
63
|
106
|
101
|
68
|
86
|
121
|
163
|
154
|
43
|
70
|
86
|
74
|
144
|
141
|
205
|
203
|
167
|
104
|
63
|
92
|
97
|
80
|
99
|
106
|
143
|
84
|
195
|
53
|
|
2025/11
|
58
|
72
|
88
|
96
|
81
|
129
|
88
|
50
|
77
|
89
|
80
|
76
|
88
|
88
|
78
|
86
|
47
|
45
|
40
|
48
|
51
|
55
|
71
|
125
|
84
|
131
|
213
|
132
|
78
|
84
|
|
|
2025/10
|
33
|
19
|
37
|
30
|
19
|
13
|
28
|
32
|
10
|
13
|
29
|
20
|
24
|
52
|
39
|
44
|
15
|
25
|
39
|
37
|
40
|
58
|
82
|
99
|
74
|
93
|
118
|
111
|
100
|
140
|
128
|
|
2025/09
|
43
|
37
|
35
|
19
|
21
|
53
|
61
|
45
|
32
|
37
|
21
|
27
|
47
|
45
|
41
|
31
|
21
|
16
|
15
|
33
|
38
|
13
|
21
|
33
|
51
|
45
|
16
|
27
|
38
|
52
|
|
|
2025/08
|
38
|
27
|
38
|
37
|
48
|
29
|
34
|
32
|
25
|
31
|
38
|
34
|
40
|
30
|
34
|
27
|
32
|
37
|
39
|
30
|
29
|
37
|
36
|
24
|
41
|
39
|
37
|
34
|
34
|
36
|
35
|
|
2025/07
|
20
|
26
|
27
|
34
|
31
|
35
|
42
|
34
|
32
|
45
|
56
|
48
|
47
|
49
|
47
|
45
|
31
|
42
|
49
|
49
|
33
|
30
|
20
|
23
|
32
|
34
|
35
|
35
|
40
|
37
|
35
|
|
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
|
|
|
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