Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
118
O3
0.4
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jul
108
Light
Tue
8 Jul
97
Good
Wed
9 Jul
103
Light
Thu
10 Jul
103
Light
Fri
11 Jul
101
Light
Sat
12 Jul
33
Excellent
Sun
13 Jul
32
Excellent
Air quality in the last 12 months (Weicheng)
|
2025/05
|
66
|
53
|
39
|
45
|
40
|
52
|
58
|
52
|
29
|
34
|
49
|
53
|
57
|
66
|
45
|
67
|
64
|
43
|
77
|
74
|
64
|
65
|
40
|
56
|
43
|
57
|
50
|
49
|
47
|
50
|
58
|
|
2025/04
|
69
|
35
|
39
|
62
|
53
|
57
|
94
|
95
|
54
|
56
|
68
|
111
|
53
|
59
|
51
|
72
|
123
|
64
|
33
|
48
|
46
|
58
|
52
|
71
|
63
|
64
|
57
|
62
|
63
|
76
|
|
|
2025/03
|
52
|
39
|
43
|
52
|
45
|
89
|
54
|
109
|
116
|
102
|
81
|
115
|
52
|
56
|
53
|
44
|
45
|
31
|
49
|
58
|
56
|
66
|
88
|
107
|
104
|
95
|
99
|
53
|
38
|
54
|
68
|
|
2025/02
|
53
|
95
|
50
|
35
|
41
|
62
|
48
|
31
|
48
|
76
|
67
|
114
|
80
|
78
|
90
|
76
|
42
|
44
|
50
|
53
|
50
|
42
|
58
|
49
|
73
|
87
|
136
|
165
|
|||
|
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
|
|
|
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