Air Quality
Excellent
No health implications.
15
PM2.5
20
PM10
68
O3
0.5
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
55
Good
Sat
2 May
56
Good
Sun
3 May
67
Good
Mon
4 May
72
Good
Tue
5 May
79
Good
Wed
6 May
82
Good
Thu
7 May
17
Excellent
Air quality in the last 12 months (Zhengning)
|
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
|
|
2025/06
|
29
|
38
|
37
|
44
|
34
|
46
|
49
|
36
|
48
|
44
|
51
|
49
|
50
|
52
|
47
|
63
|
50
|
32
|
27
|
30
|
35
|
36
|
30
|
37
|
26
|
26
|
25
|
28
|
32
|
20
|
|
|
2025/05
|
108
|
98
|
60
|
71
|
242
|
317
|
122
|
86
|
88
|
51
|
42
|
48
|
49
|
77
|
62
|
80
|
261
|
88
|
58
|
56
|
57
|
86
|
50
|
51
|
32
|
28
|
40
|
44
|
48
|
57
|
33
|
|
2025/04
|
60
|
62
|
82
|
116
|
81
|
84
|
74
|
103
|
108
|
63
|
170
|
265
|
107
|
60
|
49
|
154
|
88
|
93
|
85
|
64
|
97
|
144
|
75
|
54
|
66
|
55
|
44
|
30
|
55
|
144
|
|
|
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