Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
106
*
PM10
163
O3
0.8
CO
8
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
108
Lightly
Thu
25 Apr
132
Lightly
Fri
26 Apr
142
Lightly
Sat
27 Apr
128
Lightly
Sun
28 Apr
125
Lightly
Mon
29 Apr
96
Good
Tue
30 Apr
95
Good
Air quality in the last 12 months (Zhengding)
|
2024/02
|
71
|
73
|
101
|
123
|
120
|
162
|
149
|
148
|
184
|
227
|
121
|
88
|
127
|
176
|
62
|
68
|
100
|
119
|
71
|
45
|
48
|
41
|
54
|
59
|
90
|
125
|
103
|
137
|
86
|
||
|
2024/01
|
120
|
216
|
112
|
139
|
120
|
56
|
63
|
102
|
102
|
102
|
150
|
180
|
195
|
104
|
64
|
100
|
117
|
143
|
78
|
70
|
51
|
32
|
40
|
52
|
62
|
58
|
80
|
77
|
111
|
153
|
183
|
|
2023/12
|
58
|
64
|
84
|
112
|
157
|
225
|
117
|
133
|
108
|
52
|
43
|
84
|
98
|
64
|
48
|
30
|
50
|
135
|
134
|
74
|
33
|
55
|
67
|
55
|
106
|
122
|
63
|
104
|
188
|
214
|
58
|
|
2023/11
|
227
|
246
|
80
|
86
|
50
|
50
|
65
|
89
|
59
|
39
|
50
|
61
|
69
|
84
|
111
|
61
|
45
|
78
|
84
|
106
|
163
|
111
|
55
|
44
|
53
|
86
|
99
|
49
|
45
|
46
|
|
|
2023/10
|
44
|
54
|
66
|
72
|
45
|
44
|
57
|
56
|
41
|
52
|
64
|
88
|
121
|
86
|
64
|
65
|
87
|
68
|
39
|
40
|
49
|
66
|
83
|
96
|
71
|
65
|
79
|
109
|
181
|
212
|
206
|
|
2023/09
|
65
|
80
|
64
|
91
|
83
|
87
|
76
|
90
|
48
|
44
|
75
|
46
|
51
|
51
|
70
|
84
|
85
|
89
|
40
|
39
|
44
|
53
|
47
|
43
|
59
|
90
|
111
|
82
|
69
|
38
|
|
|
2023/08
|
34
|
49
|
54
|
41
|
34
|
40
|
44
|
60
|
64
|
67
|
73
|
45
|
60
|
53
|
65
|
75
|
73
|
63
|
80
|
69
|
59
|
47
|
39
|
37
|
56
|
28
|
24
|
31
|
46
|
56
|
69
|
|
2023/07
|
76
|
85
|
88
|
68
|
74
|
83
|
70
|
47
|
56
|
78
|
60
|
36
|
43
|
59
|
36
|
48
|
72
|
78
|
85
|
47
|
33
|
44
|
61
|
65
|
61
|
64
|
63
|
43
|
40
|
15
|
25
|
|
2023/06
|
54
|
45
|
64
|
60
|
62
|
53
|
56
|
45
|
54
|
42
|
82
|
64
|
68
|
76
|
91
|
82
|
91
|
73
|
32
|
44
|
49
|
73
|
83
|
65
|
85
|
62
|
70
|
45
|
54
|
65
|
|
|
2023/05
|
80
|
77
|
90
|
61
|
32
|
36
|
46
|
60
|
57
|
67
|
68
|
73
|
58
|
76
|
92
|
79
|
74
|
54
|
97
|
121
|
68
|
51
|
60
|
68
|
59
|
83
|
64
|
42
|
60
|
58
|
60
|
|
2023/04
|
88
|
86
|
92
|
48
|
38
|
49
|
52
|
53
|
96
|
123
|
483
|
449
|
338
|
323
|
207
|
73
|
91
|
105
|
105
|
126
|
45
|
33
|
55
|
46
|
56
|
63
|
86
|
90
|
75
|
63
|
|
|
2023/03
|
80
|
75
|
67
|
71
|
179
|
186
|
122
|
115
|
98
|
100
|
224
|
88
|
86
|
107
|
88
|
90
|
69
|
65
|
97
|
115
|
108
|
372
|
235
|
134
|
88
|
93
|
93
|
110
|
116
|
103
|
87
|
|
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
Air quality source: CNEMC
*: primary pollution