Air Quality
Excellent
No health implications.
17
PM2.5
25
PM10
79
O3
0.5
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
77
Good
Tue
28 Jul
71
Good
Wed
29 Jul
80
Good
Thu
30 Jul
78
Good
Fri
31 Jul
69
Good
Sat
1 Aug
73
Good
Sun
2 Aug
20
Excellent
Air quality in the last 12 months (Zhengning)
|
2026/06
|
68
|
63
|
58
|
55
|
39
|
34
|
40
|
32
|
31
|
33
|
39
|
37
|
39
|
43
|
45
|
42
|
43
|
33
|
35
|
26
|
23
|
26
|
33
|
36
|
35
|
38
|
38
|
45
|
43
|
38
|
|
|
2026/05
|
34
|
37
|
36
|
33
|
39
|
51
|
44
|
39
|
43
|
64
|
64
|
60
|
36
|
37
|
73
|
28
|
21
|
32
|
35
|
38
|
38
|
53
|
42
|
32
|
37
|
50
|
65
|
49
|
41
|
39
|
45
|
|
2026/04
|
52
|
55
|
116
|
82
|
74
|
72
|
71
|
58
|
59
|
57
|
54
|
47
|
42
|
65
|
48
|
42
|
45
|
47
|
258
|
87
|
31
|
30
|
43
|
51
|
59
|
58
|
104
|
81
|
57
|
52
|
|
|
2026/03
|
21
|
30
|
41
|
55
|
65
|
50
|
47
|
67
|
50
|
74
|
63
|
88
|
263
|
60
|
59
|
58
|
56
|
103
|
91
|
86
|
80
|
94
|
79
|
68
|
72
|
61
|
60
|
47
|
46
|
45
|
50
|
|
2026/02
|
92
|
56
|
62
|
76
|
76
|
73
|
58
|
47
|
66
|
128
|
105
|
81
|
64
|
71
|
56
|
49
|
101
|
60
|
58
|
48
|
216
|
297
|
138
|
69
|
74
|
85
|
62
|
37
|
|||
|
2026/01
|
74
|
90
|
118
|
73
|
42
|
34
|
44
|
45
|
50
|
55
|
56
|
59
|
69
|
114
|
83
|
60
|
78
|
89
|
48
|
40
|
51
|
67
|
89
|
81
|
165
|
144
|
137
|
131
|
108
|
91
|
97
|
|
2025/12
|
74
|
57
|
46
|
59
|
75
|
74
|
44
|
61
|
80
|
93
|
78
|
75
|
86
|
69
|
84
|
69
|
61
|
71
|
64
|
46
|
56
|
77
|
87
|
75
|
54
|
60
|
68
|
66
|
64
|
83
|
73
|
|
2025/11
|
54
|
55
|
75
|
66
|
84
|
73
|
34
|
52
|
86
|
76
|
67
|
55
|
54
|
65
|
59
|
57
|
29
|
28
|
43
|
56
|
62
|
62
|
56
|
90
|
61
|
154
|
110
|
64
|
63
|
65
|
|
|
2025/10
|
35
|
26
|
32
|
21
|
23
|
13
|
11
|
18
|
16
|
9
|
13
|
16
|
27
|
29
|
20
|
24
|
26
|
38
|
41
|
26
|
28
|
31
|
57
|
55
|
59
|
42
|
50
|
52
|
57
|
46
|
48
|
|
2025/09
|
27
|
34
|
46
|
11
|
43
|
33
|
49
|
50
|
36
|
31
|
23
|
22
|
31
|
37
|
37
|
34
|
22
|
9
|
16
|
24
|
16
|
13
|
20
|
29
|
31
|
36
|
30
|
34
|
40
|
48
|
|
|
2025/08
|
34
|
35
|
35
|
31
|
30
|
39
|
30
|
26
|
20
|
26
|
34
|
37
|
34
|
42
|
28
|
18
|
17
|
23
|
21
|
38
|
41
|
41
|
16
|
20
|
31
|
35
|
19
|
16
|
17
|
24
|
25
|
|
2025/07
|
26
|
17
|
15
|
19
|
20
|
27
|
26
|
21
|
25
|
29
|
35
|
40
|
38
|
34
|
40
|
35
|
33
|
35
|
42
|
23
|
25
|
33
|
22
|
18
|
18
|
19
|
23
|
30
|
32
|
28
|
33
|
|
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