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
18 Apr
Fri
19 Apr
Sat
20 Apr
Sun
21 Apr
Mon
22 Apr
Tue
23 Apr
Wed
24 Apr
Real-time AQI (Monitoring Station in Xuchang)
监测站
7741
PM2.5
103 *
PM10
78
O3
0.6
CO
9
SO2
31
NO2
开发区
7236
PM2.5
94 *
PM10
78
O3
0.5
CO
4
SO2
18
NO2
市一中
7437
PM2.5
97 *
PM10
86
O3
0.5
CO
6
SO2
27
NO2
许昌学院
7736
PM2.5
104 *
PM10
98
O3
0.6
CO
10
SO2
21
NO2
芙蓉广场
6528
PM2.5
80 *
PM10
105
O3
0.5
CO
10
SO2
17
NO2
建安区兴业大厦
7745
PM2.5
104 *
PM10
95
O3
0.6
CO
6
SO2
17
NO2
Air quality in the last 12 months (Xuchang)
|
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
|
|
2023/11
|
58
|
77
|
113
|
69
|
41
|
45
|
52
|
94
|
151
|
39
|
55
|
95
|
74
|
87
|
139
|
86
|
68
|
80
|
73
|
139
|
111
|
117
|
73
|
47
|
59
|
84
|
81
|
77
|
69
|
52
|
|
|
2023/10
|
59
|
41
|
48
|
71
|
73
|
51
|
43
|
45
|
72
|
96
|
80
|
135
|
111
|
78
|
80
|
124
|
147
|
112
|
35
|
51
|
65
|
62
|
96
|
115
|
99
|
102
|
111
|
135
|
93
|
86
|
63
|
|
2023/09
|
48
|
61
|
70
|
63
|
70
|
94
|
60
|
48
|
60
|
53
|
63
|
43
|
48
|
54
|
50
|
53
|
50
|
37
|
24
|
32
|
40
|
50
|
36
|
29
|
34
|
38
|
41
|
37
|
30
|
55
|
|
|
2023/08
|
34
|
33
|
37
|
41
|
41
|
30
|
39
|
51
|
59
|
75
|
58
|
39
|
39
|
51
|
51
|
60
|
63
|
62
|
55
|
51
|
36
|
55
|
56
|
41
|
50
|
42
|
27
|
33
|
48
|
65
|
54
|
|
2023/07
|
71
|
43
|
27
|
38
|
56
|
50
|
49
|
62
|
46
|
35
|
36
|
30
|
29
|
55
|
56
|
60
|
56
|
49
|
42
|
23
|
31
|
37
|
52
|
48
|
47
|
36
|
38
|
33
|
17
|
20
|
31
|
|
2023/06
|
60
|
60
|
51
|
28
|
37
|
67
|
73
|
64
|
67
|
84
|
79
|
70
|
82
|
74
|
60
|
56
|
37
|
35
|
29
|
56
|
55
|
66
|
66
|
74
|
46
|
48
|
52
|
34
|
39
|
69
|
|
|
2023/05
|
97
|
74
|
35
|
21
|
28
|
50
|
45
|
52
|
52
|
46
|
50
|
54
|
66
|
70
|
66
|
61
|
38
|
69
|
66
|
71
|
96
|
46
|
63
|
44
|
47
|
53
|
41
|
23
|
29
|
38
|
49
|
|
2023/04
|
55
|
60
|
37
|
29
|
36
|
78
|
89
|
86
|
74
|
75
|
357
|
471
|
197
|
198
|
217
|
95
|
89
|
104
|
93
|
134
|
78
|
34
|
22
|
36
|
45
|
54
|
50
|
114
|
177
|
90
|
|
|
2023/03
|
120
|
103
|
97
|
90
|
103
|
77
|
95
|
97
|
103
|
68
|
219
|
122
|
113
|
73
|
144
|
81
|
43
|
46
|
73
|
78
|
82
|
150
|
408
|
152
|
93
|
93
|
89
|
79
|
78
|
83
|
44
|
|
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