Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
31
O3
0.5
CO
4
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
50
Excellent
Mon
18 Nov
64
Good
Tue
19 Nov
72
Good
Wed
20 Nov
86
Good
Thu
21 Nov
91
Good
Fri
22 Nov
92
Good
Sat
23 Nov
90
Good
Air quality in the last 12 months (Weiyang)
|
2024/10
|
43
|
52
|
56
|
54
|
84
|
109
|
77
|
128
|
81
|
64
|
105
|
95
|
62
|
66
|
73
|
48
|
76
|
52
|
40
|
33
|
41
|
30
|
56
|
86
|
95
|
61
|
42
|
61
|
97
|
101
|
66
|
|
2024/09
|
66
|
52
|
37
|
48
|
29
|
49
|
32
|
30
|
52
|
51
|
51
|
39
|
43
|
37
|
54
|
45
|
49
|
51
|
36
|
31
|
28
|
53
|
60
|
84
|
95
|
117
|
74
|
63
|
33
|
33
|
|
|
2024/08
|
51
|
49
|
39
|
45
|
40
|
34
|
34
|
36
|
50
|
100
|
58
|
48
|
45
|
49
|
44
|
38
|
50
|
40
|
50
|
49
|
38
|
53
|
58
|
56
|
44
|
35
|
25
|
37
|
37
|
34
|
35
|
|
2024/07
|
22
|
31
|
33
|
40
|
37
|
37
|
35
|
12
|
27
|
37
|
36
|
45
|
46
|
53
|
45
|
32
|
13
|
22
|
33
|
26
|
35
|
31
|
42
|
70
|
82
|
66
|
47
|
49
|
45
|
27
|
39
|
|
2024/06
|
71
|
38
|
55
|
27
|
35
|
61
|
43
|
40
|
38
|
51
|
43
|
53
|
52
|
38
|
57
|
36
|
39
|
32
|
37
|
39
|
25
|
42
|
46
|
66
|
84
|
61
|
51
|
61
|
43
|
57
|
|
|
2024/05
|
45
|
56
|
34
|
33
|
37
|
47
|
64
|
63
|
41
|
43
|
78
|
59
|
67
|
68
|
78
|
62
|
62
|
67
|
40
|
42
|
54
|
53
|
48
|
46
|
51
|
38
|
60
|
55
|
33
|
54
|
72
|
|
2024/04
|
79
|
82
|
70
|
91
|
83
|
97
|
89
|
93
|
59
|
46
|
55
|
69
|
52
|
45
|
75
|
87
|
68
|
70
|
140
|
117
|
118
|
97
|
288
|
128
|
81
|
71
|
65
|
63
|
42
|
27
|
|
|
2024/03
|
58
|
55
|
86
|
107
|
112
|
72
|
91
|
73
|
90
|
100
|
65
|
62
|
80
|
106
|
62
|
299
|
197
|
77
|
138
|
103
|
91
|
116
|
124
|
51
|
38
|
73
|
108
|
71
|
64
|
76
|
94
|
|
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
|
|
|
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