Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
75
*
PM10
85
O3
0.5
CO
6
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Apr
97
Good
Sun
28 Apr
93
Good
Mon
29 Apr
136
Lightly
Tue
30 Apr
102
Lightly
Wed
1 May
76
Good
Thu
2 May
75
Good
Fri
3 May
84
Good
Air quality in the last 12 months (Weiyang)
|
2024/02
|
166
|
88
|
114
|
104
|
101
|
131
|
124
|
161
|
140
|
239
|
105
|
142
|
161
|
113
|
56
|
73
|
104
|
348
|
452
|
77
|
58
|
85
|
73
|
92
|
143
|
131
|
110
|
151
|
96
|
||
|
2024/01
|
120
|
113
|
81
|
102
|
121
|
80
|
75
|
131
|
119
|
93
|
141
|
200
|
240
|
158
|
107
|
91
|
118
|
162
|
105
|
113
|
56
|
20
|
31
|
67
|
75
|
93
|
104
|
108
|
137
|
206
|
239
|
|
2023/12
|
66
|
117
|
165
|
145
|
147
|
177
|
93
|
90
|
142
|
106
|
46
|
92
|
50
|
38
|
77
|
77
|
56
|
78
|
104
|
64
|
56
|
69
|
118
|
146
|
147
|
190
|
207
|
260
|
231
|
190
|
131
|
|
2023/11
|
65
|
66
|
50
|
59
|
61
|
48
|
73
|
86
|
82
|
69
|
41
|
64
|
68
|
109
|
113
|
217
|
78
|
82
|
113
|
147
|
178
|
91
|
80
|
64
|
65
|
114
|
98
|
71
|
72
|
38
|
|
|
2023/10
|
57
|
25
|
26
|
23
|
29
|
26
|
38
|
47
|
56
|
69
|
76
|
63
|
43
|
39
|
39
|
73
|
90
|
35
|
24
|
45
|
61
|
69
|
71
|
76
|
66
|
69
|
90
|
83
|
70
|
76
|
65
|
|
2023/09
|
54
|
60
|
62
|
55
|
40
|
45
|
56
|
110
|
61
|
49
|
39
|
24
|
43
|
48
|
49
|
50
|
60
|
40
|
33
|
34
|
38
|
40
|
31
|
24
|
26
|
24
|
24
|
23
|
30
|
45
|
|
|
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
|
|
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