Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
120
O3
0.3
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
75
Good
Mon
2 Jun
70
Good
Tue
3 Jun
71
Good
Wed
4 Jun
67
Good
Thu
5 Jun
71
Good
Fri
6 Jun
71
Good
Sat
7 Jun
31
Excellent
Air quality in the last 12 months (Dunhuang)
|
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
|
|
|
2024/05
|
52
|
58
|
66
|
76
|
58
|
59
|
86
|
71
|
66
|
41
|
40
|
42
|
82
|
305
|
483
|
473
|
374
|
110
|
144
|
114
|
94
|
193
|
69
|
57
|
52
|
65
|
76
|
66
|
42
|
35
|
34
|
|
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