Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
72
*
PM10
67
O3
0.7
CO
7
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Jan
84
Good
Fri
30 Jan
87
Good
Sat
31 Jan
63
Good
Sun
1 Feb
66
Good
Mon
2 Feb
80
Good
Tue
3 Feb
76
Good
Wed
4 Feb
44
Excellent
Air quality in the last 12 months (Weiyuan)
|
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
|
|
2025/02
|
57
|
60
|
52
|
51
|
50
|
49
|
57
|
65
|
65
|
58
|
81
|
83
|
72
|
70
|
62
|
63
|
64
|
54
|
65
|
56
|
48
|
56
|
50
|
50
|
54
|
53
|
51
|
54
|
|||
|
2025/01
|
70
|
72
|
76
|
70
|
76
|
72
|
62
|
69
|
71
|
61
|
66
|
70
|
69
|
70
|
69
|
65
|
66
|
69
|
74
|
73
|
77
|
79
|
74
|
72
|
66
|
73
|
78
|
88
|
119
|
76
|
59
|
|
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