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
5 Sep
Sun
6 Sep
Mon
7 Sep
Tue
8 Sep
Wed
9 Sep
Thu
10 Sep
Fri
11 Sep
Real-time AQI (Monitoring Station in Xuchang)
开发区
9723
PM2.5
65
PM10
197
O3
0.4
CO
8
SO2
12
NO2
市一中
7926
PM2.5
65
PM10
183
O3
0.8
CO
8
SO2
13
NO2
许昌学院
9522
PM2.5
60
PM10
196
O3
0.5
CO
10
SO2
13
NO2
芙蓉广场
9731
PM2.5
68
PM10
197
O3
0.7
CO
9
SO2
14
NO2
新元大道996号
8836
PM2.5
72
PM10
190
O3
0.6
CO
6
SO2
14
NO2
望田路111号
9434
PM2.5
60
PM10
195
O3
0.6
CO
8
SO2
12
NO2
Air quality in the last 12 months (Xuchang)
|
2026/08
|
26
|
27
|
29
|
34
|
44
|
38
|
53
|
53
|
39
|
41
|
20
|
17
|
23
|
37
|
45
|
42
|
42
|
48
|
54
|
53
|
30
|
37
|
36
|
37
|
32
|
34
|
42
|
29
|
36
|
39
|
46
|
|
2026/07
|
61
|
38
|
44
|
31
|
28
|
25
|
28
|
36
|
30
|
30
|
38
|
35
|
40
|
44
|
44
|
33
|
31
|
40
|
38
|
54
|
47
|
40
|
29
|
34
|
35
|
33
|
21
|
22
|
19
|
24
|
26
|
|
2026/06
|
85
|
89
|
91
|
66
|
82
|
70
|
32
|
39
|
40
|
63
|
80
|
51
|
35
|
50
|
65
|
41
|
45
|
50
|
30
|
38
|
45
|
31
|
35
|
34
|
56
|
52
|
66
|
61
|
65
|
55
|
|
|
2026/05
|
47
|
35
|
39
|
50
|
48
|
53
|
64
|
49
|
53
|
49
|
59
|
66
|
68
|
52
|
43
|
44
|
36
|
26
|
33
|
30
|
35
|
43
|
49
|
48
|
18
|
26
|
39
|
61
|
54
|
59
|
62
|
|
2026/04
|
81
|
54
|
43
|
74
|
92
|
89
|
68
|
43
|
43
|
68
|
62
|
63
|
40
|
44
|
48
|
72
|
69
|
69
|
86
|
90
|
46
|
33
|
40
|
33
|
42
|
52
|
81
|
70
|
47
|
53
|
|
|
2026/03
|
58
|
73
|
88
|
97
|
85
|
90
|
74
|
114
|
148
|
141
|
174
|
190
|
131
|
135
|
43
|
90
|
131
|
76
|
74
|
91
|
77
|
82
|
111
|
129
|
79
|
77
|
67
|
61
|
78
|
77
|
70
|
|
2026/02
|
107
|
95
|
136
|
114
|
140
|
75
|
76
|
105
|
73
|
89
|
93
|
95
|
105
|
106
|
102
|
46
|
130
|
75
|
81
|
66
|
69
|
210
|
234
|
61
|
39
|
44
|
95
|
78
|
|||
|
2026/01
|
75
|
147
|
142
|
115
|
202
|
49
|
47
|
73
|
65
|
82
|
54
|
77
|
118
|
168
|
87
|
127
|
89
|
69
|
68
|
60
|
82
|
96
|
164
|
158
|
188
|
172
|
217
|
110
|
165
|
120
|
138
|
|
2025/12
|
173
|
93
|
64
|
74
|
131
|
143
|
103
|
121
|
141
|
189
|
198
|
48
|
76
|
83
|
79
|
143
|
173
|
237
|
203
|
173
|
134
|
61
|
88
|
99
|
93
|
88
|
109
|
149
|
107
|
210
|
80
|
|
2025/11
|
69
|
88
|
95
|
98
|
104
|
103
|
97
|
64
|
81
|
102
|
84
|
81
|
133
|
149
|
155
|
130
|
47
|
41
|
45
|
58
|
64
|
88
|
85
|
122
|
98
|
116
|
271
|
111
|
83
|
95
|
|
|
2025/10
|
21
|
16
|
33
|
47
|
21
|
13
|
23
|
52
|
12
|
12
|
23
|
23
|
29
|
45
|
49
|
86
|
18
|
31
|
47
|
44
|
47
|
70
|
111
|
127
|
109
|
110
|
142
|
70
|
87
|
138
|
161
|
|
2025/09
|
32
|
37
|
40
|
23
|
24
|
52
|
55
|
23
|
28
|
35
|
13
|
22
|
45
|
35
|
29
|
25
|
23
|
17
|
13
|
30
|
45
|
22
|
18
|
29
|
49
|
28
|
17
|
32
|
30
|
40
|
|
|
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