Air Quality
Excellent
No health implications.
6
PM2.5
19
PM10
70
O3
0.5
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 May
64
Good
Thu
28 May
71
Good
Fri
29 May
76
Good
Sat
30 May
87
Good
Sun
31 May
85
Good
Mon
1 Jun
27
Excellent
Tue
2 Jun
19
Excellent
Air quality in the last 12 months (Zhengyang)
|
2026/04
|
56
|
54
|
35
|
80
|
78
|
76
|
64
|
48
|
30
|
55
|
66
|
58
|
40
|
36
|
43
|
59
|
61
|
59
|
71
|
76
|
44
|
31
|
41
|
29
|
45
|
47
|
53
|
49
|
40
|
42
|
|
|
2026/03
|
42
|
54
|
63
|
98
|
78
|
87
|
78
|
86
|
113
|
91
|
105
|
162
|
86
|
115
|
61
|
111
|
72
|
78
|
78
|
79
|
72
|
74
|
98
|
95
|
76
|
68
|
62
|
62
|
72
|
64
|
81
|
|
2026/02
|
77
|
90
|
99
|
91
|
117
|
96
|
71
|
80
|
63
|
76
|
87
|
84
|
74
|
72
|
97
|
55
|
133
|
75
|
69
|
54
|
43
|
173
|
198
|
53
|
38
|
39
|
84
|
57
|
|||
|
2026/01
|
56
|
91
|
88
|
84
|
144
|
66
|
39
|
60
|
57
|
90
|
62
|
71
|
97
|
105
|
78
|
103
|
123
|
52
|
55
|
46
|
52
|
86
|
89
|
116
|
170
|
168
|
137
|
89
|
95
|
92
|
89
|
|
2025/12
|
130
|
105
|
66
|
67
|
113
|
82
|
85
|
113
|
118
|
122
|
196
|
57
|
63
|
74
|
59
|
98
|
220
|
198
|
136
|
208
|
113
|
53
|
67
|
92
|
88
|
68
|
78
|
82
|
126
|
185
|
93
|
|
2025/11
|
59
|
78
|
98
|
74
|
74
|
92
|
26
|
50
|
71
|
92
|
65
|
57
|
78
|
104
|
87
|
100
|
34
|
27
|
27
|
40
|
64
|
56
|
64
|
113
|
104
|
75
|
191
|
87
|
66
|
74
|
|
|
2025/10
|
25
|
10
|
24
|
33
|
40
|
29
|
35
|
56
|
35
|
15
|
17
|
30
|
22
|
36
|
27
|
37
|
12
|
30
|
41
|
37
|
49
|
56
|
58
|
73
|
94
|
64
|
75
|
61
|
72
|
73
|
107
|
|
2025/09
|
26
|
33
|
36
|
35
|
35
|
43
|
43
|
28
|
24
|
22
|
19
|
13
|
27
|
21
|
22
|
33
|
21
|
15
|
10
|
24
|
39
|
19
|
12
|
23
|
32
|
17
|
18
|
24
|
21
|
17
|
|
|
2025/08
|
28
|
19
|
22
|
28
|
35
|
30
|
21
|
21
|
18
|
27
|
13
|
15
|
18
|
26
|
25
|
23
|
24
|
28
|
31
|
21
|
18
|
21
|
23
|
31
|
31
|
23
|
28
|
32
|
29
|
33
|
26
|
|
2025/07
|
21
|
16
|
17
|
18
|
27
|
29
|
32
|
40
|
21
|
35
|
52
|
33
|
24
|
23
|
29
|
38
|
38
|
35
|
35
|
33
|
29
|
20
|
11
|
17
|
24
|
27
|
26
|
20
|
24
|
30
|
32
|
|
2025/06
|
38
|
38
|
53
|
43
|
44
|
37
|
40
|
36
|
28
|
26
|
31
|
45
|
40
|
31
|
36
|
49
|
43
|
23
|
11
|
24
|
28
|
16
|
31
|
29
|
35
|
21
|
16
|
16
|
12
|
18
|
|
|
2025/05
|
63
|
84
|
53
|
46
|
61
|
171
|
138
|
65
|
65
|
35
|
40
|
42
|
48
|
52
|
63
|
47
|
159
|
93
|
86
|
57
|
48
|
65
|
66
|
60
|
46
|
54
|
63
|
61
|
52
|
40
|
28
|
|
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