Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
102
*
PM10
49
O3
0.4
CO
9
SO2
48
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Apr
107
Lightly
Sat
27 Apr
104
Lightly
Sun
28 Apr
95
Good
Mon
29 Apr
80
Good
Tue
30 Apr
63
Good
Wed
1 May
84
Good
Air quality in the last 12 months (Weihui)
|
2024/02
|
66
|
51
|
81
|
83
|
130
|
194
|
191
|
240
|
199
|
327
|
157
|
129
|
136
|
160
|
54
|
64
|
61
|
103
|
71
|
45
|
38
|
29
|
42
|
86
|
155
|
103
|
106
|
92
|
113
|
||
|
2024/01
|
117
|
171
|
124
|
85
|
121
|
99
|
55
|
93
|
141
|
136
|
161
|
259
|
346
|
164
|
58
|
62
|
111
|
113
|
66
|
56
|
67
|
38
|
60
|
66
|
69
|
73
|
98
|
105
|
112
|
204
|
231
|
|
2023/12
|
59
|
68
|
94
|
111
|
113
|
114
|
104
|
93
|
125
|
53
|
51
|
83
|
94
|
51
|
66
|
46
|
71
|
70
|
138
|
99
|
86
|
103
|
113
|
96
|
96
|
139
|
98
|
101
|
185
|
203
|
113
|
|
2023/11
|
73
|
76
|
110
|
94
|
31
|
48
|
63
|
104
|
114
|
36
|
52
|
86
|
82
|
107
|
171
|
84
|
70
|
79
|
80
|
140
|
190
|
220
|
91
|
48
|
56
|
94
|
90
|
87
|
67
|
65
|
|
|
2023/10
|
45
|
31
|
46
|
74
|
62
|
50
|
47
|
60
|
74
|
61
|
73
|
99
|
122
|
95
|
69
|
101
|
95
|
91
|
49
|
51
|
73
|
79
|
75
|
85
|
78
|
86
|
82
|
140
|
114
|
170
|
131
|
|
2023/09
|
62
|
65
|
69
|
67
|
67
|
83
|
68
|
58
|
58
|
47
|
69
|
64
|
49
|
54
|
57
|
59
|
67
|
53
|
40
|
32
|
42
|
50
|
55
|
28
|
44
|
41
|
51
|
41
|
45
|
52
|
|
|
2023/08
|
28
|
39
|
41
|
44
|
40
|
35
|
40
|
55
|
64
|
64
|
71
|
36
|
46
|
51
|
51
|
71
|
67
|
61
|
47
|
52
|
44
|
56
|
48
|
41
|
50
|
36
|
26
|
34
|
49
|
41
|
65
|
|
2023/07
|
79
|
51
|
31
|
41
|
71
|
72
|
77
|
85
|
73
|
46
|
36
|
30
|
49
|
54
|
57
|
57
|
70
|
69
|
54
|
33
|
32
|
44
|
75
|
66
|
48
|
51
|
51
|
44
|
14
|
21
|
22
|
|
2023/06
|
56
|
60
|
61
|
36
|
63
|
63
|
82
|
72
|
61
|
77
|
72
|
67
|
73
|
77
|
74
|
72
|
67
|
47
|
35
|
67
|
78
|
87
|
72
|
82
|
51
|
65
|
74
|
38
|
56
|
73
|
|
|
2023/05
|
84
|
70
|
55
|
28
|
34
|
49
|
44
|
54
|
57
|
66
|
59
|
66
|
69
|
74
|
84
|
74
|
55
|
67
|
79
|
90
|
73
|
46
|
58
|
54
|
60
|
76
|
40
|
27
|
50
|
46
|
64
|
|
2023/04
|
71
|
81
|
56
|
31
|
40
|
60
|
65
|
72
|
84
|
88
|
348
|
491
|
240
|
299
|
250
|
71
|
93
|
114
|
102
|
131
|
59
|
31
|
25
|
29
|
50
|
65
|
54
|
142
|
102
|
72
|
|
|
2023/03
|
108
|
100
|
104
|
86
|
107
|
117
|
132
|
125
|
117
|
95
|
235
|
107
|
100
|
96
|
152
|
82
|
49
|
74
|
69
|
86
|
102
|
278
|
344
|
157
|
143
|
100
|
101
|
84
|
84
|
84
|
57
|
|
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
Air quality source: CNEMC
*: primary pollution