Air Quality
Excellent
No health implications.
15
PM2.5
24
PM10
75
O3
0.6
CO
8
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Mar
86
Good
Sun
2 Mar
50
Excellent
Mon
3 Mar
46
Excellent
Tue
4 Mar
60
Good
Wed
5 Mar
86
Good
Thu
6 Mar
91
Good
Fri
7 Mar
16
Excellent
Air quality in the last 12 months (Weicheng)
|
2025/01
|
113
|
69
|
81
|
132
|
170
|
72
|
50
|
42
|
41
|
49
|
77
|
113
|
104
|
111
|
42
|
65
|
60
|
113
|
126
|
64
|
135
|
73
|
85
|
70
|
73
|
76
|
43
|
52
|
141
|
97
|
103
|
|
2024/12
|
92
|
61
|
46
|
84
|
108
|
78
|
45
|
58
|
89
|
140
|
39
|
69
|
87
|
61
|
65
|
87
|
87
|
40
|
57
|
86
|
57
|
56
|
79
|
96
|
142
|
53
|
63
|
68
|
74
|
86
|
61
|
|
2024/11
|
78
|
87
|
85
|
45
|
50
|
57
|
55
|
49
|
57
|
61
|
121
|
151
|
125
|
46
|
83
|
83
|
35
|
32
|
42
|
78
|
87
|
48
|
42
|
63
|
42
|
29
|
34
|
47
|
49
|
61
|
|
|
2024/10
|
25
|
26
|
48
|
62
|
57
|
46
|
40
|
53
|
70
|
117
|
63
|
89
|
69
|
49
|
85
|
51
|
45
|
15
|
39
|
34
|
53
|
51
|
38
|
76
|
91
|
67
|
74
|
61
|
80
|
106
|
122
|
|
2024/09
|
45
|
20
|
28
|
42
|
36
|
23
|
31
|
41
|
29
|
43
|
29
|
25
|
38
|
32
|
20
|
26
|
34
|
30
|
23
|
28
|
21
|
29
|
32
|
42
|
57
|
54
|
36
|
48
|
40
|
32
|
|
|
2024/08
|
24
|
22
|
26
|
27
|
13
|
14
|
34
|
20
|
21
|
31
|
65
|
43
|
42
|
37
|
38
|
27
|
44
|
30
|
23
|
15
|
30
|
46
|
53
|
46
|
51
|
30
|
22
|
30
|
44
|
50
|
61
|
|
2024/07
|
48
|
30
|
42
|
26
|
27
|
17
|
26
|
24
|
54
|
56
|
58
|
69
|
61
|
36
|
22
|
18
|
21
|
45
|
35
|
17
|
31
|
20
|
17
|
36
|
22
|
15
|
14
|
18
|
23
|
29
|
32
|
|
2024/06
|
27
|
55
|
54
|
49
|
39
|
46
|
36
|
53
|
58
|
63
|
60
|
54
|
53
|
42
|
34
|
31
|
36
|
44
|
29
|
20
|
31
|
45
|
74
|
68
|
35
|
47
|
24
|
40
|
27
|
47
|
|
|
2024/05
|
50
|
52
|
48
|
39
|
40
|
57
|
70
|
65
|
59
|
60
|
217
|
77
|
67
|
91
|
53
|
47
|
65
|
70
|
56
|
26
|
37
|
45
|
49
|
50
|
37
|
41
|
42
|
31
|
45
|
39
|
49
|
|
2024/04
|
78
|
60
|
36
|
41
|
57
|
71
|
69
|
82
|
72
|
76
|
67
|
54
|
38
|
25
|
93
|
109
|
89
|
95
|
83
|
61
|
43
|
66
|
35
|
50
|
72
|
63
|
39
|
37
|
54
|
48
|
|
|
2024/03
|
45
|
77
|
95
|
95
|
73
|
42
|
77
|
64
|
60
|
102
|
119
|
88
|
92
|
102
|
75
|
67
|
97
|
72
|
97
|
30
|
76
|
80
|
79
|
61
|
35
|
68
|
63
|
241
|
148
|
107
|
63
|
|
2024/02
|
24
|
37
|
25
|
32
|
47
|
96
|
171
|
131
|
215
|
271
|
138
|
108
|
73
|
84
|
33
|
55
|
43
|
58
|
34
|
35
|
23
|
26
|
26
|
68
|
128
|
76
|
55
|
104
|
67
|
||
|
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