Air Quality
Excellent
No health implications.
22
PM2.5
37
PM10
99
O3
0.4
CO
7
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
92
Good
Sat
20 Jun
76
Good
Sun
21 Jun
69
Good
Mon
22 Jun
62
Good
Tue
23 Jun
75
Good
Wed
24 Jun
81
Good
Thu
25 Jun
29
Excellent
Air quality in the last 12 months (Weicheng)
|
2026/05
|
46
|
56
|
40
|
44
|
47
|
42
|
47
|
49
|
49
|
60
|
63
|
69
|
34
|
41
|
61
|
57
|
33
|
32
|
48
|
39
|
39
|
75
|
50
|
45
|
61
|
53
|
63
|
60
|
51
|
55
|
59
|
|
2026/04
|
60
|
64
|
103
|
103
|
82
|
85
|
86
|
74
|
68
|
76
|
70
|
68
|
60
|
56
|
52
|
46
|
57
|
58
|
214
|
94
|
36
|
31
|
51
|
63
|
59
|
69
|
79
|
91
|
68
|
57
|
|
|
2026/03
|
17
|
33
|
59
|
111
|
97
|
63
|
56
|
65
|
56
|
123
|
141
|
115
|
118
|
80
|
44
|
62
|
62
|
90
|
98
|
91
|
88
|
104
|
96
|
79
|
88
|
105
|
82
|
55
|
59
|
36
|
54
|
|
2026/02
|
149
|
122
|
103
|
140
|
145
|
113
|
68
|
64
|
81
|
153
|
126
|
116
|
97
|
123
|
77
|
46
|
152
|
133
|
104
|
70
|
213
|
313
|
127
|
54
|
82
|
90
|
56
|
53
|
|||
|
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
|
|
|
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