Air Quality
Excellent
No health implications.
18
PM2.5
28
PM10
135
O3
0.3
CO
27
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
82
Good
Mon
23 Jun
80
Good
Tue
24 Jun
80
Good
Wed
25 Jun
80
Good
Thu
26 Jun
86
Good
Fri
27 Jun
78
Good
Sat
28 Jun
49
Excellent
Air quality in the last 12 months (Dunhuang)
|
2025/05
|
75
|
167
|
65
|
149
|
86
|
84
|
143
|
73
|
41
|
41
|
54
|
58
|
57
|
48
|
61
|
67
|
68
|
51
|
79
|
93
|
95
|
67
|
70
|
72
|
55
|
50
|
71
|
197
|
69
|
61
|
48
|
|
2025/04
|
128
|
269
|
104
|
59
|
104
|
121
|
90
|
63
|
56
|
81
|
49
|
33
|
51
|
106
|
137
|
72
|
139
|
98
|
96
|
97
|
83
|
80
|
54
|
50
|
55
|
41
|
53
|
60
|
65
|
51
|
|
|
2025/03
|
85
|
73
|
72
|
90
|
108
|
172
|
124
|
137
|
126
|
186
|
98
|
72
|
67
|
68
|
52
|
52
|
65
|
92
|
89
|
76
|
92
|
133
|
275
|
207
|
174
|
341
|
87
|
78
|
75
|
110
|
148
|
|
2025/02
|
80
|
50
|
46
|
43
|
34
|
46
|
49
|
47
|
64
|
83
|
74
|
77
|
66
|
66
|
85
|
89
|
80
|
74
|
75
|
64
|
66
|
122
|
57
|
92
|
111
|
126
|
119
|
99
|
|||
|
2025/01
|
68
|
76
|
83
|
80
|
66
|
79
|
69
|
65
|
67
|
70
|
66
|
53
|
43
|
45
|
47
|
51
|
60
|
70
|
66
|
70
|
69
|
71
|
66
|
78
|
94
|
75
|
81
|
104
|
156
|
100
|
94
|
|
2024/12
|
67
|
76
|
66
|
56
|
53
|
57
|
54
|
56
|
56
|
57
|
53
|
50
|
55
|
49
|
52
|
63
|
69
|
63
|
62
|
58
|
66
|
71
|
66
|
59
|
51
|
49
|
54
|
59
|
63
|
82
|
81
|
|
2024/11
|
59
|
60
|
53
|
62
|
67
|
67
|
67
|
72
|
65
|
53
|
52
|
56
|
63
|
70
|
41
|
50
|
62
|
65
|
64
|
66
|
76
|
71
|
57
|
52
|
38
|
45
|
52
|
52
|
59
|
68
|
|
|
2024/10
|
49
|
53
|
57
|
57
|
46
|
49
|
49
|
56
|
52
|
54
|
58
|
73
|
73
|
53
|
65
|
65
|
61
|
107
|
105
|
60
|
51
|
56
|
58
|
61
|
50
|
55
|
55
|
51
|
56
|
52
|
48
|
|
2024/09
|
57
|
66
|
57
|
44
|
48
|
45
|
63
|
181
|
65
|
56
|
49
|
75
|
42
|
55
|
49
|
49
|
51
|
52
|
65
|
51
|
53
|
55
|
68
|
44
|
50
|
57
|
52
|
78
|
49
|
41
|
|
|
2024/08
|
49
|
41
|
43
|
44
|
54
|
42
|
41
|
41
|
21
|
31
|
41
|
63
|
37
|
35
|
42
|
44
|
50
|
42
|
65
|
63
|
52
|
64
|
53
|
56
|
59
|
58
|
52
|
49
|
42
|
97
|
45
|
|
2024/07
|
39
|
30
|
85
|
42
|
55
|
55
|
88
|
79
|
73
|
48
|
37
|
37
|
26
|
36
|
25
|
28
|
34
|
49
|
125
|
65
|
49
|
46
|
47
|
40
|
38
|
38
|
51
|
36
|
38
|
36
|
43
|
|
2024/06
|
40
|
34
|
46
|
57
|
57
|
45
|
48
|
32
|
32
|
40
|
36
|
60
|
37
|
48
|
56
|
44
|
40
|
34
|
41
|
39
|
33
|
34
|
31
|
33
|
60
|
59
|
54
|
40
|
61
|
32
|
|
|
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