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
15 Oct
Fri
16 Oct
Sat
17 Oct
Sun
18 Oct
Mon
19 Oct
Tue
20 Oct
Wed
21 Oct
Real-time AQI (Monitoring Station in Xuchang)
开发区
9859
PM2.5
96
PM10
119
O3
0.3
CO
5
SO2
16
NO2
许昌学院
8348
PM2.5
96
PM10
131
O3
0.3
CO
10
SO2
16
NO2
芙蓉广场
9658
PM2.5
77
PM10
128
O3
0.5
CO
8
SO2
13
NO2
新元大道996号
9256
PM2.5
79
PM10
122
O3
0.4
CO
8
SO2
15
NO2
望田路111号
10262
PM2.5
89
PM10
128
O3
0.6
CO
5
SO2
18
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