Air Quality
Excellent
No health implications.
16
PM2.5
35
PM10
60
O3
0.1
CO
5
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Apr
175
Moderate
Sat
5 Apr
184
Moderate
Sun
6 Apr
107
Light
Mon
7 Apr
235
Heavy
Tue
8 Apr
176
Moderate
Wed
9 Apr
29
Excellent
Thu
10 Apr
46
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