Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
115
*
PM10
69
O3
0.2
CO
1
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Feb
126
Light
Fri
6 Feb
68
Good
Sat
7 Feb
63
Good
Sun
8 Feb
80
Good
Mon
9 Feb
108
Light
Tue
10 Feb
106
Light
Wed
11 Feb
47
Excellent
Air quality in the last 12 months (Zhengding)
|
2025/12
|
83
|
45
|
54
|
61
|
81
|
97
|
88
|
53
|
77
|
114
|
116
|
36
|
49
|
69
|
122
|
109
|
113
|
157
|
222
|
136
|
67
|
82
|
83
|
72
|
43
|
74
|
101
|
156
|
136
|
80
|
42
|
|
2025/11
|
52
|
42
|
66
|
105
|
166
|
219
|
75
|
69
|
63
|
74
|
98
|
119
|
61
|
64
|
72
|
64
|
37
|
42
|
47
|
56
|
53
|
58
|
82
|
112
|
45
|
131
|
55
|
92
|
125
|
147
|
|
|
2025/10
|
64
|
34
|
56
|
60
|
41
|
24
|
32
|
27
|
15
|
16
|
26
|
49
|
38
|
38
|
72
|
106
|
45
|
30
|
50
|
36
|
50
|
60
|
88
|
108
|
151
|
72
|
65
|
93
|
182
|
204
|
161
|
|
2025/09
|
49
|
53
|
41
|
40
|
40
|
47
|
57
|
57
|
41
|
49
|
50
|
42
|
48
|
59
|
69
|
45
|
29
|
39
|
27
|
44
|
60
|
23
|
33
|
45
|
54
|
57
|
40
|
51
|
59
|
61
|
|
|
2025/08
|
48
|
56
|
57
|
32
|
32
|
44
|
45
|
32
|
26
|
36
|
47
|
52
|
33
|
50
|
62
|
24
|
33
|
50
|
52
|
21
|
34
|
35
|
26
|
17
|
38
|
45
|
51
|
27
|
41
|
37
|
43
|
|
2025/07
|
38
|
36
|
21
|
41
|
28
|
32
|
36
|
45
|
45
|
47
|
55
|
59
|
42
|
52
|
63
|
61
|
47
|
43
|
48
|
34
|
34
|
44
|
32
|
35
|
39
|
47
|
40
|
46
|
19
|
31
|
43
|
|
2025/06
|
92
|
81
|
43
|
39
|
62
|
69
|
69
|
62
|
71
|
49
|
76
|
78
|
78
|
49
|
32
|
29
|
41
|
66
|
51
|
60
|
51
|
47
|
52
|
51
|
56
|
48
|
51
|
42
|
42
|
55
|
|
|
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
|
|
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