Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
47
PM2.5
125
*
PM10
81
O3
0.4
CO
8
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Mar
60
Good
Mon
16 Mar
78
Good
Tue
17 Mar
70
Good
Wed
18 Mar
61
Good
Thu
19 Mar
65
Good
Fri
20 Mar
62
Good
Sat
21 Mar
43
Excellent
Air quality in the last 12 months (Weiyuan)
|
2026/02
|
86
|
81
|
82
|
77
|
70
|
73
|
66
|
63
|
67
|
85
|
73
|
79
|
70
|
68
|
81
|
72
|
103
|
60
|
59
|
54
|
84
|
167
|
126
|
75
|
87
|
91
|
76
|
74
|
|||
|
2026/01
|
87
|
68
|
73
|
81
|
63
|
78
|
75
|
70
|
68
|
69
|
75
|
74
|
70
|
83
|
81
|
84
|
71
|
86
|
61
|
63
|
67
|
75
|
70
|
64
|
405
|
367
|
184
|
141
|
86
|
82
|
88
|
|
2025/12
|
78
|
71
|
63
|
71
|
74
|
74
|
76
|
72
|
78
|
77
|
74
|
86
|
69
|
71
|
81
|
86
|
73
|
70
|
75
|
45
|
60
|
72
|
56
|
63
|
57
|
65
|
79
|
90
|
83
|
83
|
76
|
|
2025/11
|
62
|
51
|
46
|
43
|
39
|
29
|
89
|
73
|
74
|
49
|
59
|
62
|
62
|
64
|
65
|
68
|
54
|
53
|
57
|
67
|
70
|
76
|
85
|
95
|
67
|
98
|
106
|
66
|
66
|
74
|
|
|
2025/10
|
28
|
29
|
35
|
44
|
55
|
29
|
33
|
24
|
28
|
28
|
31
|
33
|
40
|
45
|
44
|
46
|
31
|
48
|
46
|
41
|
27
|
32
|
30
|
36
|
44
|
45
|
54
|
51
|
60
|
63
|
68
|
|
2025/09
|
34
|
51
|
47
|
53
|
59
|
80
|
67
|
55
|
41
|
38
|
36
|
37
|
44
|
47
|
57
|
84
|
32
|
25
|
34
|
36
|
31
|
37
|
39
|
47
|
45
|
36
|
37
|
38
|
44
|
44
|
|
|
2025/08
|
44
|
32
|
30
|
21
|
25
|
32
|
29
|
24
|
26
|
33
|
41
|
34
|
39
|
37
|
38
|
37
|
35
|
31
|
26
|
57
|
23
|
30
|
26
|
35
|
29
|
24
|
24
|
22
|
27
|
37
|
38
|
|
2025/07
|
36
|
29
|
27
|
21
|
28
|
26
|
27
|
25
|
34
|
34
|
29
|
28
|
30
|
31
|
42
|
48
|
41
|
31
|
74
|
27
|
27
|
27
|
24
|
28
|
24
|
28
|
30
|
30
|
31
|
24
|
34
|
|
2025/06
|
36
|
43
|
36
|
34
|
42
|
46
|
47
|
52
|
32
|
43
|
42
|
40
|
41
|
41
|
61
|
44
|
50
|
47
|
39
|
45
|
38
|
22
|
29
|
26
|
26
|
34
|
27
|
34
|
38
|
26
|
|
|
2025/05
|
58
|
103
|
120
|
122
|
75
|
117
|
84
|
60
|
61
|
49
|
44
|
59
|
74
|
49
|
41
|
53
|
109
|
53
|
61
|
53
|
58
|
80
|
55
|
43
|
30
|
51
|
34
|
30
|
31
|
94
|
66
|
|
2025/04
|
103
|
100
|
81
|
108
|
87
|
66
|
55
|
89
|
114
|
73
|
106
|
371
|
110
|
70
|
61
|
133
|
76
|
240
|
141
|
101
|
107
|
86
|
59
|
53
|
55
|
40
|
56
|
53
|
56
|
87
|
|
|
2025/03
|
61
|
52
|
52
|
58
|
49
|
51
|
67
|
66
|
58
|
52
|
181
|
101
|
87
|
48
|
50
|
54
|
49
|
45
|
55
|
58
|
55
|
55
|
64
|
46
|
65
|
374
|
116
|
84
|
78
|
88
|
79
|
|
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