Air Quality
Excellent
No health implications.
13
PM2.5
34
PM10
35
O3
0.5
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
63
Good
Fri
8 May
80
Good
Sat
9 May
86
Good
Sun
10 May
94
Good
Mon
11 May
102
Light
Tue
12 May
18
Excellent
Wed
13 May
23
Excellent
Air quality in the last 12 months (Weiyang)
|
2026/04
|
58
|
69
|
104
|
115
|
88
|
93
|
96
|
71
|
68
|
75
|
76
|
63
|
60
|
57
|
55
|
49
|
68
|
61
|
181
|
96
|
37
|
31
|
46
|
61
|
61
|
74
|
77
|
92
|
64
|
60
|
|
|
2026/03
|
18
|
38
|
56
|
147
|
95
|
65
|
51
|
64
|
57
|
113
|
132
|
104
|
114
|
80
|
42
|
64
|
57
|
97
|
101
|
98
|
95
|
110
|
116
|
76
|
77
|
96
|
73
|
66
|
64
|
37
|
52
|
|
2026/02
|
143
|
115
|
119
|
139
|
153
|
122
|
69
|
71
|
80
|
158
|
140
|
118
|
87
|
124
|
77
|
47
|
143
|
112
|
89
|
63
|
207
|
362
|
143
|
51
|
74
|
67
|
58
|
54
|
|||
|
2026/01
|
74
|
132
|
160
|
82
|
59
|
41
|
64
|
63
|
65
|
63
|
68
|
77
|
90
|
139
|
116
|
106
|
110
|
131
|
64
|
35
|
53
|
107
|
165
|
192
|
198
|
165
|
177
|
178
|
153
|
155
|
143
|
|
2025/12
|
92
|
78
|
75
|
93
|
145
|
158
|
93
|
103
|
129
|
144
|
146
|
104
|
80
|
101
|
120
|
141
|
134
|
164
|
130
|
67
|
71
|
112
|
100
|
98
|
75
|
81
|
114
|
175
|
153
|
176
|
125
|
|
2025/11
|
70
|
78
|
86
|
98
|
93
|
71
|
44
|
61
|
71
|
97
|
98
|
103
|
80
|
97
|
102
|
83
|
33
|
35
|
60
|
77
|
88
|
97
|
64
|
85
|
81
|
164
|
142
|
113
|
83
|
93
|
|
|
2025/10
|
22
|
32
|
51
|
29
|
19
|
17
|
13
|
41
|
22
|
16
|
13
|
14
|
27
|
52
|
34
|
36
|
14
|
30
|
37
|
29
|
34
|
48
|
62
|
72
|
62
|
42
|
65
|
71
|
84
|
77
|
75
|
|
2025/09
|
45
|
35
|
36
|
16
|
29
|
58
|
65
|
48
|
44
|
46
|
25
|
21
|
42
|
55
|
50
|
36
|
19
|
11
|
17
|
38
|
18
|
17
|
26
|
27
|
50
|
46
|
34
|
20
|
36
|
52
|
|
|
2025/08
|
43
|
45
|
44
|
45
|
26
|
37
|
41
|
34
|
22
|
25
|
31
|
47
|
48
|
50
|
34
|
31
|
24
|
27
|
26
|
29
|
57
|
45
|
30
|
27
|
45
|
44
|
38
|
22
|
18
|
24
|
29
|
|
2025/07
|
28
|
26
|
36
|
35
|
19
|
37
|
35
|
30
|
48
|
36
|
35
|
47
|
48
|
44
|
37
|
48
|
42
|
28
|
40
|
31
|
31
|
45
|
27
|
18
|
18
|
24
|
30
|
33
|
38
|
51
|
35
|
|
2025/06
|
47
|
40
|
44
|
49
|
40
|
41
|
28
|
32
|
36
|
47
|
59
|
47
|
51
|
50
|
70
|
62
|
60
|
49
|
34
|
41
|
42
|
39
|
36
|
40
|
32
|
31
|
42
|
30
|
34
|
29
|
|
|
2025/05
|
92
|
77
|
78
|
72
|
124
|
471
|
210
|
113
|
84
|
51
|
47
|
61
|
46
|
67
|
74
|
61
|
199
|
119
|
75
|
72
|
72
|
84
|
54
|
53
|
45
|
43
|
58
|
48
|
42
|
51
|
48
|
|
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