Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
86
*
PM2.5
93
PM10
44
O3
0.9
CO
2
SO2
22
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
30 Jan
148
Light
Sat
31 Jan
154
Moderate
Sun
1 Feb
159
Moderate
Mon
2 Feb
149
Light
Tue
3 Feb
162
Moderate
Wed
4 Feb
25
Excellent
Thu
5 Feb
42
Excellent
Air quality in the last 12 months (Weicheng)
|
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
|
|||
|
2025/01
|
116
|
96
|
85
|
148
|
115
|
73
|
71
|
98
|
50
|
85
|
74
|
76
|
118
|
100
|
39
|
74
|
96
|
113
|
133
|
178
|
184
|
213
|
174
|
129
|
63
|
87
|
57
|
100
|
236
|
280
|
293
|
|
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