Air Quality
Excellent
No health implications.
29
PM2.5
43
PM10
23
O3
0.4
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Dec
64
Good
Sun
14 Dec
63
Good
Mon
15 Dec
67
Good
Tue
16 Dec
113
Light
Wed
17 Dec
157
Moderate
Thu
18 Dec
16
Excellent
Fri
19 Dec
47
Excellent
Air quality in the last 12 months (Zhengyang)
|
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
|
|
2025/04
|
63
|
61
|
56
|
81
|
70
|
73
|
69
|
69
|
87
|
85
|
56
|
212
|
121
|
71
|
50
|
65
|
71
|
69
|
49
|
58
|
53
|
59
|
85
|
89
|
65
|
61
|
62
|
50
|
45
|
61
|
|
|
2025/03
|
93
|
68
|
38
|
47
|
64
|
77
|
80
|
74
|
92
|
93
|
74
|
106
|
113
|
47
|
58
|
51
|
38
|
51
|
46
|
42
|
34
|
54
|
57
|
66
|
48
|
65
|
114
|
132
|
81
|
67
|
73
|
|
2025/02
|
99
|
104
|
138
|
67
|
58
|
46
|
94
|
58
|
55
|
65
|
81
|
97
|
77
|
74
|
72
|
78
|
83
|
80
|
110
|
81
|
75
|
97
|
121
|
78
|
73
|
92
|
84
|
84
|
|||
|
2025/01
|
111
|
156
|
146
|
216
|
92
|
74
|
60
|
60
|
53
|
61
|
73
|
72
|
86
|
127
|
63
|
59
|
68
|
86
|
112
|
120
|
122
|
224
|
122
|
86
|
79
|
72
|
54
|
102
|
184
|
137
|
124
|
|
2024/12
|
59
|
83
|
76
|
96
|
70
|
60
|
98
|
54
|
68
|
89
|
108
|
112
|
85
|
60
|
51
|
65
|
95
|
75
|
57
|
76
|
78
|
59
|
83
|
110
|
104
|
160
|
159
|
49
|
68
|
87
|
82
|
|
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