Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Real-time AQI (Monitoring Station in Xuchang)
开发区
3920
PM2.5
39
PM10
33
O3
0.3
CO
6
SO2
37
NO2
市一中
3524
PM2.5
29
PM10
44
O3
0.5
CO
8
SO2
28
NO2
芙蓉广场
2316
PM2.5
22
PM10
59
O3
0.3
CO
7
SO2
20
NO2
望田路111号
3724
PM2.5
37
PM10
37
O3
0.1
CO
5
SO2
40
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