Air Quality
Excellent
No health implications.
18
PM2.5
25
PM10
64
O3
0.6
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Oct
50
Excellent
Wed
4 Oct
42
Excellent
Thu
5 Oct
40
Excellent
Fri
6 Oct
41
Excellent
Sat
7 Oct
50
Excellent
Sun
8 Oct
60
Good
Mon
9 Oct
63
Good
Air quality in the last 12 months (Weiyang)
|
2023/08
|
35
|
35
|
35
|
47
|
55
|
35
|
33
|
37
|
46
|
54
|
57
|
34
|
55
|
52
|
45
|
59
|
122
|
60
|
64
|
29
|
37
|
63
|
39
|
45
|
51
|
30
|
22
|
37
|
42
|
52
|
49
|
|
2023/07
|
50
|
41
|
27
|
36
|
70
|
57
|
49
|
84
|
91
|
68
|
53
|
45
|
23
|
53
|
52
|
59
|
61
|
52
|
56
|
70
|
58
|
80
|
68
|
47
|
44
|
33
|
45
|
20
|
31
|
35
|
37
|
|
2023/06
|
34
|
29
|
27
|
22
|
30
|
53
|
55
|
56
|
62
|
64
|
84
|
61
|
58
|
56
|
44
|
39
|
31
|
28
|
50
|
57
|
69
|
56
|
47
|
40
|
48
|
74
|
57
|
31
|
64
|
63
|
|
|
2023/05
|
68
|
68
|
64
|
51
|
71
|
33
|
33
|
41
|
45
|
50
|
47
|
59
|
61
|
58
|
68
|
58
|
61
|
51
|
51
|
65
|
41
|
31
|
42
|
43
|
56
|
45
|
29
|
17
|
24
|
45
|
38
|
|
2023/04
|
77
|
69
|
17
|
21
|
66
|
186
|
143
|
100
|
86
|
94
|
438
|
243
|
205
|
71
|
66
|
85
|
89
|
90
|
90
|
447
|
70
|
20
|
24
|
35
|
57
|
69
|
73
|
177
|
103
|
76
|
|
|
2023/03
|
105
|
105
|
85
|
85
|
122
|
122
|
132
|
88
|
91
|
95
|
141
|
110
|
109
|
100
|
81
|
43
|
48
|
86
|
114
|
95
|
99
|
137
|
95
|
181
|
98
|
87
|
72
|
79
|
69
|
83
|
83
|
|
2023/02
|
138
|
81
|
96
|
165
|
268
|
357
|
277
|
263
|
182
|
154
|
114
|
61
|
51
|
57
|
116
|
155
|
173
|
115
|
79
|
101
|
112
|
133
|
132
|
91
|
166
|
133
|
179
|
144
|
|||
|
2023/01
|
266
|
254
|
268
|
309
|
348
|
157
|
159
|
197
|
211
|
126
|
197
|
239
|
356
|
79
|
62
|
71
|
126
|
109
|
107
|
117
|
188
|
329
|
170
|
95
|
62
|
97
|
69
|
88
|
85
|
117
|
163
|
|
2022/12
|
71
|
112
|
152
|
125
|
172
|
207
|
249
|
186
|
229
|
133
|
61
|
164
|
134
|
88
|
128
|
144
|
71
|
88
|
130
|
123
|
84
|
66
|
105
|
137
|
98
|
66
|
85
|
69
|
102
|
148
|
239
|
|
2022/11
|
89
|
118
|
70
|
97
|
95
|
120
|
157
|
138
|
130
|
99
|
46
|
28
|
53
|
70
|
85
|
143
|
169
|
204
|
109
|
152
|
134
|
49
|
94
|
104
|
92
|
118
|
162
|
124
|
118
|
60
|
|
|
2022/10
|
58
|
59
|
54
|
17
|
13
|
19
|
38
|
36
|
37
|
42
|
61
|
98
|
101
|
73
|
59
|
58
|
76
|
102
|
118
|
63
|
103
|
99
|
98
|
111
|
134
|
93
|
61
|
60
|
56
|
55
|
48
|
|
2022/09
|
56
|
50
|
53
|
35
|
50
|
64
|
75
|
76
|
62
|
78
|
57
|
68
|
62
|
74
|
77
|
88
|
62
|
58
|
30
|
23
|
41
|
45
|
54
|
72
|
68
|
71
|
53
|
39
|
79
|
77
|
|
|
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