Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
38
PM2.5
72
*
PM10
65
O3
0.5
CO
11
SO2
18
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 May
95
Good
Tue
12 May
98
Good
Wed
13 May
98
Good
Thu
14 May
88
Good
Fri
15 May
84
Good
Sat
16 May
31
Excellent
Sun
17 May
30
Excellent
Air quality in the last 12 months (Weihui)
|
2026/04
|
73
|
102
|
67
|
55
|
79
|
85
|
72
|
60
|
56
|
75
|
67
|
68
|
47
|
52
|
52
|
83
|
92
|
75
|
66
|
82
|
45
|
40
|
52
|
52
|
48
|
67
|
99
|
69
|
37
|
59
|
|
|
2026/03
|
64
|
98
|
150
|
122
|
90
|
80
|
71
|
115
|
108
|
156
|
136
|
153
|
159
|
115
|
43
|
71
|
137
|
77
|
72
|
115
|
94
|
80
|
115
|
105
|
93
|
82
|
124
|
125
|
48
|
74
|
79
|
|
2026/02
|
135
|
146
|
166
|
131
|
122
|
66
|
70
|
107
|
79
|
86
|
89
|
103
|
129
|
136
|
63
|
41
|
155
|
76
|
61
|
58
|
92
|
273
|
172
|
70
|
44
|
50
|
97
|
85
|
|||
|
2026/01
|
70
|
123
|
149
|
183
|
210
|
47
|
47
|
67
|
59
|
73
|
56
|
67
|
86
|
128
|
82
|
123
|
74
|
67
|
56
|
52
|
88
|
143
|
177
|
195
|
195
|
178
|
224
|
211
|
200
|
109
|
180
|
|
2025/12
|
142
|
63
|
54
|
66
|
102
|
115
|
86
|
79
|
131
|
192
|
145
|
36
|
58
|
71
|
78
|
155
|
151
|
213
|
216
|
142
|
81
|
60
|
103
|
98
|
75
|
92
|
134
|
169
|
130
|
145
|
36
|
|
2025/11
|
81
|
58
|
79
|
121
|
91
|
168
|
85
|
72
|
69
|
87
|
101
|
118
|
80
|
100
|
101
|
99
|
45
|
41
|
47
|
58
|
69
|
70
|
72
|
86
|
72
|
136
|
183
|
136
|
114
|
110
|
|
|
2025/10
|
47
|
23
|
45
|
44
|
31
|
15
|
39
|
34
|
9
|
14
|
32
|
18
|
34
|
48
|
52
|
52
|
22
|
27
|
43
|
37
|
44
|
56
|
81
|
100
|
80
|
117
|
108
|
148
|
100
|
175
|
198
|
|
2025/09
|
46
|
38
|
30
|
31
|
31
|
55
|
61
|
50
|
32
|
42
|
32
|
26
|
55
|
52
|
47
|
35
|
21
|
22
|
24
|
40
|
48
|
19
|
32
|
39
|
47
|
46
|
22
|
50
|
48
|
60
|
|
|
2025/08
|
39
|
37
|
41
|
50
|
49
|
35
|
41
|
36
|
25
|
35
|
43
|
26
|
35
|
40
|
38
|
24
|
26
|
36
|
39
|
35
|
32
|
40
|
38
|
29
|
43
|
38
|
51
|
29
|
30
|
38
|
34
|
|
2025/07
|
18
|
24
|
24
|
38
|
30
|
30
|
38
|
37
|
44
|
56
|
67
|
53
|
47
|
48
|
48
|
42
|
35
|
47
|
49
|
50
|
36
|
40
|
17
|
20
|
34
|
37
|
40
|
38
|
37
|
34
|
36
|
|
2025/06
|
58
|
70
|
58
|
69
|
73
|
70
|
87
|
76
|
67
|
57
|
62
|
53
|
54
|
54
|
48
|
31
|
47
|
38
|
30
|
45
|
44
|
47
|
42
|
44
|
63
|
31
|
41
|
35
|
36
|
30
|
|
|
2025/05
|
67
|
88
|
48
|
49
|
132
|
128
|
95
|
82
|
60
|
35
|
53
|
55
|
72
|
69
|
42
|
70
|
112
|
70
|
88
|
67
|
79
|
67
|
83
|
60
|
62
|
61
|
63
|
60
|
63
|
65
|
54
|
|
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