Air Quality
Excellent
No health implications.
8
PM2.5
27
PM10
126
O3
0.4
CO
3
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
100
Good
Sun
15 Jun
112
Light
Mon
16 Jun
111
Light
Tue
17 Jun
112
Light
Wed
18 Jun
104
Light
Thu
19 Jun
54
Good
Fri
20 Jun
43
Excellent
Air quality in the last 12 months (Zhengyang)
|
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
|
|
2024/11
|
121
|
101
|
87
|
77
|
61
|
74
|
59
|
57
|
68
|
79
|
89
|
88
|
76
|
105
|
111
|
70
|
36
|
41
|
39
|
50
|
50
|
75
|
84
|
58
|
52
|
41
|
60
|
51
|
38
|
53
|
|
|
2024/10
|
44
|
67
|
57
|
52
|
61
|
34
|
50
|
79
|
55
|
91
|
101
|
101
|
135
|
65
|
63
|
103
|
45
|
20
|
41
|
47
|
56
|
46
|
51
|
51
|
63
|
90
|
128
|
126
|
90
|
72
|
55
|
|
2024/09
|
36
|
42
|
35
|
41
|
50
|
40
|
55
|
54
|
49
|
51
|
38
|
27
|
29
|
53
|
53
|
50
|
49
|
29
|
26
|
54
|
33
|
36
|
54
|
55
|
56
|
58
|
55
|
53
|
56
|
42
|
|
|
2024/08
|
13
|
13
|
20
|
20
|
21
|
14
|
18
|
25
|
28
|
43
|
83
|
30
|
35
|
40
|
30
|
25
|
31
|
39
|
25
|
21
|
23
|
34
|
34
|
36
|
35
|
35
|
21
|
26
|
32
|
31
|
33
|
|
2024/07
|
40
|
22
|
29
|
13
|
23
|
19
|
21
|
26
|
15
|
39
|
34
|
24
|
29
|
29
|
21
|
35
|
28
|
14
|
19
|
17
|
20
|
21
|
24
|
31
|
34
|
33
|
16
|
9
|
12
|
16
|
14
|
|
2024/06
|
72
|
62
|
52
|
53
|
47
|
47
|
37
|
49
|
50
|
41
|
40
|
43
|
36
|
43
|
61
|
55
|
45
|
52
|
49
|
30
|
25
|
29
|
36
|
99
|
84
|
54
|
49
|
13
|
11
|
20
|
|
|
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