Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
177
*
PM2.5
200
PM10
29
O3
1.8
CO
17
SO2
56
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
24 Jan
111
Light
Sat
25 Jan
82
Good
Sun
26 Jan
59
Good
Mon
27 Jan
65
Good
Tue
28 Jan
94
Good
Wed
29 Jan
16
Excellent
Thu
30 Jan
45
Excellent
Air quality in the last 12 months (Zhengning)
|
2024/12
|
46
|
50
|
58
|
57
|
45
|
47
|
36
|
38
|
69
|
64
|
98
|
72
|
51
|
43
|
50
|
68
|
57
|
42
|
74
|
67
|
42
|
53
|
74
|
82
|
75
|
62
|
43
|
44
|
55
|
53
|
57
|
|
2024/11
|
52
|
42
|
50
|
42
|
55
|
75
|
95
|
97
|
92
|
95
|
102
|
90
|
52
|
33
|
53
|
55
|
38
|
28
|
44
|
44
|
59
|
59
|
95
|
69
|
40
|
48
|
62
|
56
|
37
|
39
|
|
|
2024/10
|
47
|
43
|
46
|
48
|
62
|
75
|
56
|
83
|
63
|
45
|
56
|
60
|
57
|
61
|
65
|
66
|
54
|
31
|
21
|
26
|
24
|
25
|
44
|
55
|
58
|
47
|
39
|
45
|
61
|
56
|
47
|
|
2024/09
|
48
|
36
|
33
|
35
|
27
|
38
|
30
|
33
|
40
|
45
|
44
|
33
|
29
|
28
|
44
|
36
|
37
|
34
|
29
|
29
|
21
|
36
|
53
|
64
|
59
|
63
|
69
|
62
|
31
|
38
|
|
|
2024/08
|
27
|
36
|
22
|
24
|
30
|
34
|
19
|
27
|
59
|
173
|
44
|
27
|
31
|
37
|
24
|
29
|
37
|
29
|
28
|
33
|
29
|
34
|
39
|
42
|
38
|
24
|
20
|
28
|
30
|
31
|
34
|
|
2024/07
|
26
|
32
|
27
|
22
|
47
|
38
|
26
|
24
|
29
|
39
|
29
|
32
|
44
|
45
|
36
|
14
|
18
|
22
|
24
|
18
|
77
|
24
|
18
|
60
|
71
|
51
|
47
|
43
|
28
|
25
|
37
|
|
2024/06
|
60
|
28
|
34
|
36
|
38
|
41
|
30
|
37
|
32
|
35
|
40
|
48
|
45
|
45
|
50
|
38
|
32
|
33
|
36
|
41
|
31
|
46
|
58
|
87
|
84
|
68
|
43
|
53
|
47
|
28
|
|
|
2024/05
|
37
|
37
|
38
|
34
|
36
|
44
|
50
|
49
|
37
|
57
|
91
|
55
|
52
|
53
|
72
|
54
|
61
|
55
|
51
|
45
|
50
|
49
|
41
|
39
|
44
|
39
|
37
|
51
|
36
|
59
|
62
|
|
2024/04
|
56
|
68
|
68
|
62
|
63
|
61
|
61
|
58
|
53
|
42
|
45
|
48
|
41
|
65
|
96
|
67
|
64
|
57
|
127
|
122
|
107
|
83
|
264
|
108
|
59
|
47
|
66
|
51
|
56
|
37
|
|
|
2024/03
|
44
|
54
|
60
|
79
|
82
|
57
|
87
|
61
|
67
|
67
|
70
|
58
|
62
|
66
|
66
|
264
|
115
|
118
|
122
|
86
|
69
|
108
|
96
|
25
|
41
|
56
|
77
|
67
|
60
|
55
|
64
|
|
2024/02
|
143
|
89
|
105
|
110
|
102
|
99
|
83
|
103
|
72
|
89
|
64
|
71
|
76
|
86
|
55
|
53
|
53
|
427
|
246
|
63
|
64
|
72
|
77
|
91
|
85
|
101
|
100
|
99
|
62
|
||
|
2024/01
|
68
|
57
|
56
|
57
|
51
|
46
|
58
|
87
|
82
|
72
|
84
|
93
|
94
|
75
|
91
|
106
|
99
|
84
|
70
|
72
|
45
|
30
|
37
|
40
|
52
|
63
|
63
|
74
|
72
|
105
|
130
|
|
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