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
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Real-time AQI (Monitoring Station in Xuchang)
开发区
8750
PM2.5
123 *
PM10
41
O3
0.7
CO
3
SO2
40
NO2
市一中
8548
PM2.5
120 *
PM10
80
O3
0.3
CO
3
SO2
11
NO2
许昌学院
8948
PM2.5
127 *
PM10
66
O3
0.4
CO
8
SO2
26
NO2
芙蓉广场
8242
PM2.5
113 *
PM10
87
O3
0.2
CO
5
SO2
15
NO2
Air quality in the last 12 months (Xuchang)
|
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
|
|
|
2024/05
|
53
|
53
|
51
|
66
|
76
|
66
|
78
|
77
|
60
|
66
|
147
|
129
|
110
|
89
|
102
|
73
|
69
|
62
|
62
|
71
|
65
|
54
|
57
|
66
|
87
|
69
|
53
|
63
|
74
|
73
|
144
|
|
2024/04
|
92
|
121
|
76
|
43
|
68
|
45
|
56
|
65
|
73
|
64
|
59
|
58
|
69
|
42
|
46
|
62
|
76
|
65
|
68
|
86
|
86
|
83
|
104
|
96
|
80
|
63
|
66
|
58
|
65
|
57
|
|
|
2024/03
|
107
|
105
|
77
|
94
|
120
|
99
|
101
|
55
|
63
|
76
|
78
|
108
|
99
|
105
|
100
|
122
|
108
|
70
|
95
|
100
|
88
|
100
|
115
|
64
|
41
|
63
|
52
|
81
|
62
|
95
|
90
|
|
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