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
15 Jun
Mon
16 Jun
Tue
17 Jun
Wed
18 Jun
Thu
19 Jun
Fri
20 Jun
Sat
21 Jun
Real-time AQI (Monitoring Station in Xuchang)
开发区
3910
PM2.5
37
PM10
124
O3
0.0
CO
2
SO2
12
NO2
市一中
379
PM2.5
32
PM10
116
O3
0.4
CO
3
SO2
12
NO2
许昌学院
4111
PM2.5
39
PM10
130
O3
0.3
CO
8
SO2
14
NO2
芙蓉广场
398
PM2.5
28
PM10
123
O3
0.2
CO
10
SO2
12
NO2
新元大道996号
4110
PM2.5
41
PM10
117
O3
0.1
CO
4
SO2
9
NO2
望田路111号
3913
PM2.5
24
PM10
123
O3
0.2
CO
4
SO2
20
NO2
Air quality in the last 12 months (Xuchang)
|
2025/05
|
75
|
112
|
62
|
56
|
163
|
187
|
178
|
101
|
94
|
45
|
52
|
62
|
66
|
63
|
66
|
79
|
167
|
90
|
105
|
77
|
75
|
87
|
84
|
62
|
67
|
58
|
89
|
72
|
91
|
71
|
48
|
|
2025/04
|
68
|
60
|
59
|
83
|
72
|
80
|
81
|
101
|
102
|
115
|
82
|
251
|
93
|
57
|
60
|
96
|
94
|
101
|
67
|
66
|
61
|
75
|
102
|
89
|
77
|
74
|
89
|
57
|
58
|
80
|
|
|
2025/03
|
98
|
47
|
44
|
41
|
80
|
95
|
83
|
89
|
99
|
92
|
95
|
141
|
158
|
56
|
78
|
50
|
49
|
61
|
58
|
47
|
54
|
67
|
78
|
208
|
69
|
89
|
99
|
190
|
65
|
58
|
74
|
|
2025/02
|
95
|
157
|
126
|
45
|
48
|
53
|
107
|
64
|
59
|
74
|
122
|
125
|
74
|
81
|
70
|
73
|
80
|
91
|
90
|
85
|
102
|
108
|
104
|
73
|
70
|
92
|
120
|
134
|
|||
|
2025/01
|
162
|
119
|
134
|
208
|
119
|
63
|
71
|
56
|
53
|
91
|
69
|
64
|
92
|
137
|
64
|
55
|
87
|
107
|
84
|
172
|
239
|
175
|
76
|
146
|
133
|
70
|
35
|
88
|
350
|
206
|
107
|
|
2024/12
|
75
|
76
|
85
|
155
|
82
|
67
|
83
|
66
|
73
|
98
|
122
|
140
|
80
|
59
|
52
|
61
|
105
|
69
|
59
|
129
|
75
|
70
|
77
|
135
|
155
|
172
|
100
|
51
|
95
|
74
|
103
|
|
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
|
|
|
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