Air Quality
Excellent
No health implications.
17
PM2.5
22
PM10
46
O3
0.6
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
112
Light
Tue
24 Feb
63
Good
Wed
25 Feb
105
Light
Thu
26 Feb
91
Good
Fri
27 Feb
86
Good
Sat
28 Feb
86
Good
Sun
1 Mar
23
Excellent
Weicheng Air quality rank
Air quality in the last 12 months (Weicheng)
|
2026/01
|
86
|
148
|
179
|
81
|
58
|
45
|
69
|
62
|
79
|
62
|
70
|
89
|
96
|
157
|
115
|
103
|
106
|
136
|
68
|
33
|
63
|
114
|
158
|
186
|
168
|
154
|
167
|
170
|
145
|
127
|
142
|
|
2025/12
|
90
|
90
|
72
|
103
|
122
|
168
|
114
|
104
|
128
|
159
|
133
|
111
|
87
|
103
|
114
|
152
|
138
|
160
|
122
|
67
|
70
|
117
|
96
|
93
|
70
|
79
|
130
|
201
|
183
|
174
|
129
|
|
2025/11
|
75
|
80
|
101
|
109
|
106
|
84
|
55
|
59
|
75
|
92
|
100
|
108
|
83
|
108
|
126
|
82
|
33
|
40
|
57
|
80
|
90
|
112
|
74
|
88
|
80
|
175
|
133
|
127
|
90
|
89
|
|
|
2025/10
|
26
|
26
|
37
|
27
|
18
|
21
|
12
|
36
|
23
|
14
|
15
|
13
|
23
|
54
|
34
|
33
|
19
|
33
|
37
|
22
|
35
|
46
|
66
|
74
|
62
|
44
|
67
|
75
|
85
|
70
|
76
|
|
2025/09
|
41
|
34
|
38
|
14
|
28
|
51
|
61
|
44
|
44
|
40
|
26
|
17
|
35
|
49
|
43
|
31
|
17
|
10
|
14
|
32
|
17
|
16
|
22
|
29
|
47
|
45
|
41
|
20
|
36
|
54
|
|
|
2025/08
|
42
|
43
|
45
|
46
|
23
|
34
|
39
|
29
|
19
|
20
|
30
|
44
|
39
|
51
|
31
|
30
|
20
|
25
|
26
|
32
|
62
|
46
|
29
|
27
|
41
|
47
|
34
|
18
|
14
|
23
|
30
|
|
2025/07
|
27
|
23
|
36
|
35
|
21
|
29
|
32
|
37
|
45
|
37
|
41
|
45
|
45
|
46
|
38
|
51
|
41
|
32
|
45
|
33
|
27
|
42
|
27
|
18
|
22
|
29
|
28
|
34
|
39
|
44
|
35
|
|
2025/06
|
46
|
46
|
50
|
53
|
41
|
51
|
39
|
42
|
47
|
53
|
59
|
50
|
50
|
60
|
78
|
64
|
62
|
45
|
35
|
35
|
46
|
39
|
40
|
41
|
32
|
32
|
40
|
27
|
39
|
27
|
|
|
2025/05
|
109
|
80
|
90
|
96
|
147
|
488
|
220
|
120
|
99
|
53
|
54
|
61
|
46
|
76
|
78
|
66
|
216
|
124
|
75
|
75
|
74
|
94
|
61
|
53
|
44
|
38
|
58
|
56
|
48
|
53
|
49
|
|
2025/04
|
85
|
94
|
89
|
106
|
94
|
98
|
79
|
101
|
118
|
97
|
143
|
320
|
160
|
88
|
62
|
137
|
116
|
140
|
96
|
70
|
71
|
177
|
105
|
73
|
71
|
77
|
49
|
51
|
65
|
136
|
|
|
2025/03
|
193
|
71
|
34
|
55
|
79
|
83
|
86
|
100
|
72
|
86
|
235
|
266
|
98
|
54
|
53
|
48
|
60
|
50
|
55
|
62
|
74
|
80
|
93
|
72
|
60
|
203
|
204
|
132
|
94
|
80
|
81
|
|
2025/02
|
203
|
168
|
33
|
59
|
45
|
61
|
84
|
35
|
55
|
101
|
131
|
83
|
91
|
94
|
77
|
79
|
89
|
91
|
105
|
107
|
132
|
146
|
77
|
73
|
86
|
83
|
118
|
138
|
|||
|
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