Air Quality
Excellent
No health implications.
15
PM2.5
17
PM10
22
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jul
61
Good
Fri
31 Jul
83
Good
Sat
1 Aug
87
Good
Sun
2 Aug
90
Good
Mon
3 Aug
84
Good
Tue
4 Aug
19
Excellent
Wed
5 Aug
32
Excellent
Air quality in the last 12 months (Weihui)
|
2026/06
|
81
|
97
|
101
|
58
|
80
|
47
|
32
|
48
|
55
|
64
|
74
|
76
|
51
|
62
|
69
|
53
|
61
|
54
|
32
|
46
|
40
|
39
|
47
|
43
|
59
|
48
|
75
|
68
|
55
|
59
|
|
|
2026/05
|
63
|
38
|
40
|
47
|
63
|
58
|
53
|
56
|
60
|
60
|
70
|
75
|
83
|
79
|
60
|
61
|
52
|
31
|
35
|
40
|
36
|
41
|
59
|
60
|
29
|
27
|
45
|
55
|
50
|
63
|
64
|
|
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
|
|
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