Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
48
PM2.5
169
*
PM10
52
O3
0.7
CO
25
SO2
32
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
5 Nov
92
Good
Thu
6 Nov
108
Light
Fri
7 Nov
77
Good
Sat
8 Nov
72
Good
Sun
9 Nov
76
Good
Mon
10 Nov
73
Good
Tue
11 Nov
35
Excellent
Air quality in the last 12 months (Yumen)
|
2025/09
|
152
|
111
|
114
|
75
|
69
|
73
|
69
|
63
|
67
|
67
|
57
|
88
|
59
|
94
|
46
|
45
|
58
|
48
|
55
|
81
|
74
|
70
|
43
|
51
|
58
|
56
|
62
|
58
|
51
|
51
|
|
|
2025/08
|
45
|
41
|
39
|
41
|
37
|
35
|
32
|
39
|
47
|
55
|
50
|
45
|
37
|
40
|
38
|
45
|
47
|
51
|
151
|
42
|
38
|
34
|
49
|
56
|
77
|
35
|
35
|
39
|
36
|
68
|
60
|
|
2025/07
|
42
|
53
|
32
|
32
|
26
|
44
|
52
|
51
|
37
|
47
|
61
|
81
|
82
|
43
|
47
|
39
|
48
|
59
|
30
|
33
|
35
|
48
|
51
|
40
|
43
|
41
|
46
|
37
|
174
|
112
|
53
|
|
2025/06
|
39
|
52
|
44
|
50
|
54
|
54
|
37
|
44
|
44
|
37
|
45
|
42
|
73
|
46
|
30
|
34
|
34
|
68
|
42
|
51
|
32
|
40
|
28
|
31
|
86
|
43
|
33
|
74
|
36
|
31
|
|
|
2025/05
|
83
|
117
|
66
|
188
|
115
|
129
|
105
|
59
|
33
|
33
|
43
|
53
|
58
|
46
|
59
|
83
|
95
|
46
|
56
|
83
|
86
|
83
|
59
|
68
|
66
|
40
|
53
|
253
|
58
|
55
|
45
|
|
2025/04
|
164
|
208
|
163
|
59
|
95
|
90
|
126
|
78
|
51
|
76
|
49
|
34
|
37
|
90
|
121
|
86
|
135
|
69
|
80
|
77
|
79
|
67
|
45
|
43
|
52
|
46
|
56
|
62
|
83
|
51
|
|
|
2025/03
|
71
|
63
|
90
|
79
|
77
|
321
|
126
|
157
|
204
|
199
|
128
|
71
|
52
|
51
|
44
|
44
|
61
|
100
|
93
|
84
|
83
|
151
|
177
|
210
|
217
|
125
|
69
|
63
|
53
|
81
|
242
|
|
2025/02
|
66
|
37
|
34
|
36
|
26
|
27
|
41
|
43
|
57
|
69
|
68
|
58
|
45
|
53
|
106
|
100
|
74
|
80
|
74
|
61
|
72
|
107
|
57
|
77
|
84
|
86
|
81
|
75
|
|||
|
2025/01
|
65
|
65
|
79
|
96
|
55
|
62
|
61
|
58
|
58
|
81
|
71
|
65
|
47
|
37
|
42
|
57
|
57
|
60
|
54
|
62
|
70
|
68
|
67
|
71
|
125
|
66
|
68
|
75
|
96
|
70
|
67
|
|
2024/12
|
59
|
62
|
59
|
47
|
43
|
47
|
49
|
47
|
46
|
52
|
48
|
46
|
48
|
46
|
49
|
59
|
58
|
62
|
61
|
57
|
71
|
81
|
70
|
51
|
47
|
49
|
49
|
65
|
64
|
66
|
71
|
|
2024/11
|
60
|
64
|
57
|
55
|
59
|
63
|
66
|
72
|
77
|
64
|
49
|
51
|
55
|
98
|
44
|
52
|
55
|
60
|
54
|
55
|
64
|
64
|
61
|
58
|
29
|
40
|
49
|
42
|
56
|
59
|
|
|
2024/10
|
39
|
41
|
47
|
55
|
52
|
47
|
48
|
55
|
63
|
52
|
51
|
60
|
65
|
53
|
58
|
59
|
62
|
201
|
225
|
72
|
51
|
51
|
56
|
57
|
52
|
55
|
50
|
43
|
59
|
59
|
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