Air Quality
Excellent
No health implications.
11
PM2.5
37
PM10
111
O3
0.2
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
72
Good
Sun
11 May
108
Light
Mon
12 May
105
Light
Tue
13 May
84
Good
Wed
14 May
82
Good
Thu
15 May
105
Light
Fri
16 May
16
Excellent
Air quality in the last 12 months (Dunhuang)
|
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
|
|
2024/04
|
125
|
101
|
77
|
55
|
49
|
51
|
55
|
55
|
59
|
83
|
60
|
101
|
489
|
277
|
134
|
86
|
93
|
87
|
50
|
65
|
64
|
138
|
88
|
92
|
59
|
107
|
138
|
64
|
56
|
47
|
|
|
2024/03
|
54
|
56
|
68
|
95
|
136
|
63
|
56
|
65
|
75
|
96
|
90
|
93
|
76
|
150
|
210
|
63
|
80
|
75
|
103
|
130
|
112
|
80
|
74
|
46
|
51
|
40
|
37
|
43
|
67
|
46
|
113
|
|
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