Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
116
*
PM10
123
O3
0.3
CO
6
SO2
5
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
108
Light
Wed
30 Apr
82
Good
Thu
1 May
92
Good
Fri
2 May
66
Good
Sat
3 May
150
Light
Sun
4 May
68
Good
Mon
5 May
33
Excellent
Air quality in the last 12 months (Yumen)
|
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
|
|
2024/09
|
43
|
74
|
79
|
34
|
31
|
33
|
44
|
105
|
56
|
56
|
46
|
60
|
38
|
60
|
52
|
41
|
39
|
45
|
46
|
40
|
44
|
53
|
58
|
55
|
57
|
54
|
53
|
56
|
40
|
43
|
|
|
2024/08
|
43
|
33
|
32
|
38
|
47
|
33
|
47
|
91
|
28
|
24
|
32
|
51
|
35
|
38
|
37
|
40
|
55
|
40
|
46
|
58
|
46
|
60
|
50
|
79
|
72
|
71
|
60
|
57
|
42
|
92
|
39
|
|
2024/07
|
35
|
31
|
130
|
56
|
69
|
74
|
132
|
135
|
109
|
71
|
47
|
40
|
34
|
37
|
22
|
29
|
36
|
54
|
112
|
130
|
39
|
41
|
53
|
29
|
30
|
37
|
43
|
37
|
42
|
35
|
35
|
|
2024/06
|
49
|
45
|
41
|
52
|
66
|
57
|
65
|
39
|
38
|
45
|
39
|
53
|
44
|
46
|
70
|
51
|
50
|
41
|
37
|
33
|
39
|
37
|
43
|
46
|
86
|
67
|
60
|
43
|
66
|
29
|
|
|
2024/05
|
47
|
56
|
84
|
100
|
68
|
72
|
87
|
93
|
68
|
49
|
33
|
51
|
80
|
329
|
500
|
497
|
381
|
145
|
290
|
160
|
100
|
161
|
71
|
62
|
68
|
85
|
119
|
81
|
34
|
33
|
31
|
|
2024/04
|
105
|
91
|
103
|
63
|
55
|
55
|
66
|
63
|
48
|
62
|
91
|
113
|
426
|
200
|
78
|
71
|
78
|
67
|
49
|
47
|
57
|
105
|
62
|
67
|
60
|
139
|
177
|
43
|
56
|
40
|
|
|
2024/03
|
49
|
45
|
53
|
85
|
108
|
69
|
56
|
55
|
86
|
87
|
75
|
97
|
78
|
148
|
233
|
62
|
91
|
60
|
83
|
91
|
91
|
88
|
69
|
52
|
50
|
51
|
45
|
46
|
77
|
56
|
90
|
|
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