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
12 Aug
Thu
13 Aug
Fri
14 Aug
Sat
15 Aug
Sun
16 Aug
Mon
17 Aug
Tue
18 Aug
Real-time AQI (Monitoring Station in Zhengzhou)
经开区管委
169
PM2.5
14
PM10
51
O3
0.3
CO
2
SO2
5
NO2
四十七中
1812
PM2.5
13
PM10
51
O3
0.3
CO
3
SO2
9
NO2
计划路2号
1611
PM2.5
11
PM10
49
O3
0.2
CO
3
SO2
6
NO2
Air quality in the last 12 months (Zhengzhou)
|
2026/07
|
57
|
58
|
49
|
48
|
40
|
37
|
39
|
50
|
38
|
35
|
37
|
42
|
39
|
58
|
39
|
44
|
34
|
48
|
56
|
63
|
56
|
45
|
40
|
36
|
41
|
38
|
26
|
26
|
20
|
25
|
32
|
|
2026/06
|
81
|
94
|
86
|
69
|
89
|
56
|
31
|
44
|
61
|
58
|
79
|
65
|
42
|
66
|
76
|
51
|
59
|
49
|
33
|
44
|
39
|
38
|
47
|
40
|
65
|
52
|
74
|
64
|
66
|
59
|
|
|
2026/05
|
56
|
40
|
49
|
55
|
56
|
60
|
64
|
54
|
58
|
66
|
64
|
83
|
66
|
62
|
55
|
50
|
50
|
31
|
36
|
35
|
36
|
44
|
50
|
53
|
22
|
27
|
44
|
61
|
53
|
57
|
54
|
|
2026/04
|
68
|
55
|
98
|
67
|
94
|
90
|
81
|
53
|
48
|
70
|
64
|
63
|
43
|
52
|
49
|
66
|
68
|
73
|
98
|
99
|
44
|
35
|
51
|
48
|
50
|
63
|
91
|
75
|
43
|
59
|
|
|
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
|
|
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