Air Quality
Excellent
No health implications.
27
PM2.5
25
PM10
42
O3
0.6
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
43
Excellent
Thu
5 Mar
41
Excellent
Fri
6 Mar
43
Excellent
Sat
7 Mar
36
Excellent
Sun
8 Mar
40
Excellent
Mon
9 Mar
34
Excellent
Tue
10 Mar
17
Excellent
Air quality in the last 12 months (Weiyuan)
|
2026/01
|
25
|
23
|
18
|
35
|
51
|
51
|
60
|
74
|
84
|
122
|
146
|
135
|
117
|
110
|
108
|
151
|
153
|
153
|
70
|
26
|
36
|
31
|
44
|
66
|
65
|
65
|
76
|
91
|
74
|
36
|
45
|
|
2025/12
|
123
|
137
|
81
|
42
|
57
|
66
|
76
|
98
|
112
|
105
|
102
|
103
|
46
|
62
|
73
|
92
|
110
|
99
|
120
|
84
|
47
|
42
|
58
|
58
|
61
|
63
|
73
|
89
|
85
|
106
|
83
|
|
2025/11
|
17
|
22
|
24
|
26
|
40
|
38
|
34
|
33
|
43
|
22
|
28
|
28
|
25
|
34
|
38
|
35
|
25
|
25
|
35
|
54
|
73
|
83
|
93
|
74
|
76
|
80
|
84
|
87
|
108
|
124
|
|
|
2025/10
|
16
|
15
|
19
|
24
|
16
|
16
|
19
|
26
|
40
|
49
|
34
|
15
|
14
|
22
|
34
|
34
|
23
|
30
|
25
|
10
|
9
|
19
|
23
|
21
|
25
|
30
|
25
|
41
|
37
|
27
|
34
|
|
2025/09
|
21
|
32
|
29
|
26
|
24
|
27
|
43
|
30
|
33
|
35
|
20
|
9
|
11
|
20
|
36
|
40
|
17
|
11
|
9
|
16
|
12
|
10
|
11
|
16
|
28
|
27
|
22
|
17
|
10
|
23
|
|
|
2025/08
|
25
|
26
|
28
|
37
|
42
|
32
|
21
|
25
|
23
|
13
|
13
|
16
|
25
|
39
|
28
|
28
|
24
|
18
|
20
|
31
|
25
|
13
|
13
|
14
|
13
|
21
|
28
|
32
|
14
|
12
|
12
|
|
2025/07
|
18
|
22
|
30
|
28
|
15
|
18
|
24
|
17
|
20
|
17
|
16
|
20
|
24
|
27
|
30
|
33
|
33
|
32
|
22
|
17
|
15
|
19
|
17
|
14
|
18
|
17
|
17
|
26
|
31
|
28
|
25
|
|
2025/06
|
33
|
17
|
30
|
33
|
35
|
51
|
40
|
34
|
23
|
30
|
35
|
36
|
36
|
37
|
33
|
27
|
31
|
11
|
13
|
26
|
21
|
21
|
22
|
20
|
14
|
20
|
24
|
26
|
24
|
12
|
|
|
2025/05
|
45
|
65
|
72
|
88
|
41
|
56
|
34
|
48
|
102
|
79
|
62
|
111
|
93
|
110
|
77
|
62
|
73
|
82
|
60
|
62
|
48
|
47
|
58
|
54
|
51
|
42
|
39
|
21
|
22
|
36
|
30
|
|
2025/04
|
43
|
61
|
59
|
56
|
49
|
50
|
55
|
55
|
58
|
67
|
51
|
257
|
169
|
129
|
121
|
87
|
74
|
68
|
63
|
46
|
50
|
58
|
64
|
40
|
45
|
33
|
42
|
53
|
37
|
28
|
|
|
2025/03
|
89
|
83
|
37
|
37
|
36
|
19
|
38
|
43
|
55
|
75
|
71
|
72
|
53
|
55
|
36
|
36
|
25
|
39
|
39
|
47
|
56
|
69
|
72
|
61
|
57
|
63
|
117
|
85
|
35
|
22
|
30
|
|
2025/02
|
43
|
46
|
45
|
50
|
46
|
33
|
30
|
32
|
46
|
56
|
67
|
57
|
54
|
51
|
60
|
69
|
81
|
89
|
66
|
58
|
62
|
52
|
49
|
35
|
45
|
54
|
68
|
87
|
|||
|
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