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
25 Jul
Sun
26 Jul
Mon
27 Jul
Tue
28 Jul
Wed
29 Jul
Thu
30 Jul
Fri
31 Jul
Real-time AQI (Monitoring Station in Xuchang)
开发区
443
PM2.5
8
PM10
140
O3
0.3
CO
3
SO2
4
NO2
许昌学院
423
PM2.5
6
PM10
134
O3
0.2
CO
2
SO2
2
NO2
新元大道996号
453
PM2.5
6
PM10
142
O3
0.5
CO
4
SO2
5
NO2
望田路111号
433
PM2.5
12
PM10
137
O3
0.3
CO
1
SO2
5
NO2
Air quality in the last 12 months (Xuchang)
|
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
|
|
|
2025/08
|
43
|
24
|
31
|
32
|
41
|
26
|
21
|
23
|
19
|
32
|
31
|
20
|
28
|
22
|
30
|
21
|
29
|
34
|
34
|
22
|
24
|
40
|
35
|
31
|
30
|
38
|
33
|
39
|
35
|
40
|
30
|
|
2025/07
|
20
|
25
|
20
|
22
|
24
|
42
|
44
|
35
|
27
|
38
|
56
|
43
|
39
|
38
|
39
|
48
|
37
|
40
|
44
|
42
|
38
|
44
|
17
|
26
|
30
|
30
|
29
|
28
|
29
|
36
|
44
|
|
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