Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Dec
Tue
24 Dec
Wed
25 Dec
Thu
26 Dec
Fri
27 Dec
Sat
28 Dec
Sun
29 Dec
Real-time AQI (Monitoring Station in Xuchang)
监测站
7555 *
PM2.5
79
PM10
31
O3
0.5
CO
6
SO2
39
NO2
开发区
8966 *
PM2.5
106
PM10
9
O3
0.6
CO
8
SO2
58
NO2
市一中
7756 *
PM2.5
90
PM10
40
O3
0.6
CO
4
SO2
31
NO2
许昌学院
6740
PM2.5
83 *
PM10
52
O3
0.5
CO
6
SO2
29
NO2
芙蓉广场
8059 *
PM2.5
105
PM10
14
O3
0.7
CO
8
SO2
57
NO2
建安区兴业大厦
7756
PM2.5
104
PM10
35
O3
0.6
CO
3
SO2
29
NO2
Air quality in the last 12 months (Xuchang)
|
2024/11
|
99
|
106
|
121
|
72
|
53
|
106
|
74
|
67
|
91
|
122
|
194
|
197
|
211
|
82
|
116
|
70
|
41
|
51
|
45
|
73
|
74
|
143
|
106
|
57
|
53
|
51
|
65
|
58
|
49
|
65
|
|
|
2024/10
|
56
|
56
|
63
|
74
|
68
|
140
|
158
|
203
|
123
|
107
|
124
|
132
|
143
|
154
|
160
|
166
|
73
|
19
|
32
|
35
|
60
|
53
|
56
|
72
|
87
|
143
|
161
|
165
|
131
|
131
|
201
|
|
2024/09
|
51
|
37
|
36
|
51
|
54
|
34
|
51
|
60
|
52
|
54
|
33
|
40
|
35
|
49
|
38
|
53
|
58
|
37
|
38
|
46
|
16
|
30
|
51
|
76
|
79
|
114
|
113
|
59
|
61
|
17
|
|
|
2024/08
|
21
|
22
|
27
|
27
|
20
|
14
|
21
|
17
|
30
|
120
|
96
|
37
|
38
|
40
|
50
|
38
|
39
|
35
|
37
|
25
|
27
|
41
|
51
|
47
|
47
|
42
|
27
|
35
|
42
|
45
|
46
|
|
2024/07
|
50
|
24
|
38
|
17
|
27
|
20
|
31
|
14
|
36
|
73
|
55
|
34
|
43
|
60
|
26
|
18
|
15
|
24
|
25
|
26
|
28
|
29
|
26
|
34
|
39
|
26
|
30
|
19
|
15
|
22
|
12
|
|
2024/06
|
80
|
92
|
78
|
87
|
62
|
61
|
49
|
59
|
62
|
56
|
55
|
56
|
54
|
62
|
62
|
41
|
39
|
53
|
57
|
50
|
48
|
42
|
62
|
103
|
95
|
62
|
59
|
40
|
30
|
38
|
|
|
2024/05
|
53
|
53
|
51
|
66
|
76
|
66
|
78
|
77
|
60
|
66
|
147
|
129
|
110
|
89
|
102
|
73
|
69
|
62
|
62
|
71
|
65
|
54
|
57
|
66
|
87
|
69
|
53
|
63
|
74
|
73
|
144
|
|
2024/04
|
92
|
121
|
76
|
43
|
68
|
45
|
56
|
65
|
73
|
64
|
59
|
58
|
69
|
42
|
46
|
62
|
76
|
65
|
68
|
86
|
86
|
83
|
104
|
96
|
80
|
63
|
66
|
58
|
65
|
57
|
|
|
2024/03
|
107
|
105
|
77
|
94
|
120
|
99
|
101
|
55
|
63
|
76
|
78
|
108
|
99
|
105
|
100
|
122
|
108
|
70
|
95
|
100
|
88
|
100
|
115
|
64
|
41
|
63
|
52
|
81
|
62
|
95
|
90
|
|
2024/02
|
62
|
52
|
80
|
83
|
138
|
172
|
173
|
179
|
145
|
258
|
111
|
106
|
119
|
158
|
56
|
59
|
54
|
73
|
73
|
34
|
65
|
29
|
35
|
58
|
130
|
132
|
85
|
84
|
123
|
||
|
2024/01
|
160
|
194
|
59
|
89
|
130
|
133
|
51
|
109
|
151
|
151
|
173
|
250
|
329
|
200
|
66
|
79
|
104
|
120
|
63
|
63
|
68
|
38
|
50
|
53
|
53
|
59
|
70
|
90
|
103
|
199
|
261
|
|
2023/12
|
52
|
68
|
91
|
104
|
116
|
115
|
85
|
75
|
127
|
50
|
40
|
65
|
69
|
50
|
47
|
44
|
37
|
43
|
119
|
105
|
51
|
58
|
87
|
130
|
115
|
165
|
125
|
127
|
212
|
180
|
157
|
|
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
*: primary pollution