Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
17
PM2.5
54
*
PM10
100
O3
0.5
CO
3
SO2
6
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Jul
120
Light
Sun
6 Jul
111
Light
Mon
7 Jul
99
Good
Tue
8 Jul
73
Good
Wed
9 Jul
86
Good
Thu
10 Jul
36
Excellent
Fri
11 Jul
36
Excellent
Air quality in the last 12 months (Zhengding)
|
2025/05
|
53
|
72
|
47
|
63
|
85
|
53
|
72
|
91
|
34
|
38
|
50
|
62
|
77
|
53
|
51
|
65
|
124
|
66
|
84
|
92
|
81
|
69
|
68
|
44
|
54
|
61
|
67
|
62
|
67
|
69
|
69
|
|
2025/04
|
69
|
40
|
67
|
105
|
51
|
81
|
111
|
73
|
78
|
70
|
145
|
125
|
49
|
41
|
56
|
109
|
131
|
73
|
54
|
91
|
81
|
59
|
75
|
54
|
72
|
95
|
96
|
58
|
62
|
71
|
|
|
2025/03
|
208
|
98
|
57
|
46
|
67
|
52
|
78
|
116
|
101
|
123
|
157
|
152
|
131
|
86
|
51
|
31
|
51
|
54
|
49
|
43
|
48
|
60
|
130
|
115
|
106
|
79
|
127
|
133
|
47
|
62
|
64
|
|
2025/02
|
103
|
167
|
53
|
37
|
32
|
109
|
34
|
26
|
53
|
88
|
117
|
84
|
53
|
78
|
64
|
42
|
50
|
58
|
60
|
76
|
81
|
67
|
39
|
60
|
72
|
74
|
104
|
150
|
|||
|
2025/01
|
78
|
69
|
67
|
74
|
75
|
32
|
40
|
50
|
42
|
45
|
63
|
61
|
73
|
70
|
46
|
58
|
85
|
112
|
78
|
97
|
95
|
80
|
90
|
101
|
145
|
86
|
31
|
59
|
247
|
104
|
95
|
|
2024/12
|
56
|
42
|
64
|
87
|
50
|
49
|
29
|
35
|
63
|
81
|
76
|
83
|
71
|
51
|
46
|
53
|
51
|
44
|
58
|
62
|
31
|
47
|
54
|
83
|
102
|
67
|
55
|
46
|
61
|
77
|
80
|
|
2024/11
|
69
|
70
|
87
|
30
|
48
|
77
|
127
|
196
|
227
|
226
|
152
|
173
|
154
|
75
|
60
|
72
|
57
|
52
|
63
|
56
|
53
|
54
|
84
|
122
|
72
|
29
|
33
|
35
|
44
|
58
|
|
|
2024/10
|
43
|
37
|
46
|
59
|
84
|
140
|
105
|
101
|
106
|
91
|
71
|
141
|
193
|
188
|
119
|
67
|
90
|
64
|
33
|
39
|
68
|
57
|
53
|
87
|
143
|
197
|
112
|
71
|
130
|
127
|
106
|
|
2024/09
|
55
|
29
|
32
|
57
|
31
|
36
|
44
|
53
|
75
|
35
|
33
|
40
|
44
|
51
|
54
|
62
|
71
|
61
|
46
|
40
|
22
|
32
|
47
|
66
|
87
|
123
|
128
|
114
|
120
|
19
|
|
|
2024/08
|
46
|
44
|
40
|
31
|
24
|
39
|
27
|
37
|
43
|
66
|
20
|
22
|
24
|
32
|
53
|
46
|
38
|
32
|
33
|
29
|
24
|
38
|
46
|
37
|
37
|
12
|
18
|
29
|
38
|
62
|
71
|
|
2024/07
|
48
|
51
|
66
|
78
|
83
|
53
|
64
|
50
|
60
|
71
|
69
|
71
|
46
|
94
|
96
|
47
|
48
|
39
|
54
|
39
|
46
|
39
|
59
|
53
|
22
|
40
|
41
|
39
|
36
|
22
|
35
|
|
2024/06
|
47
|
56
|
43
|
68
|
43
|
66
|
75
|
70
|
60
|
55
|
61
|
68
|
95
|
61
|
49
|
56
|
60
|
56
|
58
|
59
|
52
|
75
|
114
|
53
|
52
|
69
|
55
|
60
|
55
|
49
|
|
|
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