Air Quality
Excellent
No health implications.
23
PM2.5
47
PM10
122
O3
0.3
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
81
Good
Fri
23 May
87
Good
Sat
24 May
87
Good
Sun
25 May
69
Good
Mon
26 May
72
Good
Tue
27 May
71
Good
Wed
28 May
50
Excellent
Air quality in the last 12 months (Qilian)
|
2025/04
|
198
|
136
|
151
|
83
|
121
|
135
|
130
|
91
|
73
|
59
|
178
|
117
|
28
|
45
|
89
|
85
|
146
|
76
|
69
|
75
|
78
|
63
|
43
|
38
|
49
|
40
|
71
|
64
|
128
|
64
|
|
|
2025/03
|
66
|
53
|
65
|
56
|
56
|
257
|
164
|
100
|
224
|
143
|
212
|
102
|
65
|
52
|
42
|
49
|
58
|
69
|
75
|
79
|
77
|
77
|
94
|
147
|
234
|
117
|
100
|
62
|
65
|
78
|
188
|
|
2025/02
|
46
|
51
|
37
|
33
|
37
|
35
|
50
|
51
|
50
|
42
|
82
|
64
|
45
|
49
|
74
|
60
|
60
|
72
|
73
|
68
|
64
|
65
|
61
|
74
|
66
|
49
|
58
|
66
|
|||
|
2025/01
|
67
|
56
|
65
|
65
|
36
|
49
|
61
|
59
|
61
|
60
|
83
|
56
|
62
|
42
|
37
|
36
|
58
|
44
|
42
|
35
|
68
|
67
|
67
|
59
|
91
|
70
|
58
|
60
|
50
|
40
|
36
|
|
2024/12
|
32
|
48
|
48
|
59
|
51
|
45
|
53
|
59
|
63
|
55
|
51
|
61
|
50
|
47
|
36
|
43
|
48
|
57
|
56
|
59
|
58
|
74
|
72
|
54
|
55
|
41
|
38
|
52
|
93
|
59
|
67
|
|
2024/11
|
61
|
52
|
57
|
59
|
50
|
46
|
55
|
67
|
75
|
87
|
66
|
62
|
52
|
118
|
144
|
54
|
60
|
58
|
52
|
51
|
58
|
60
|
72
|
58
|
38
|
42
|
32
|
35
|
36
|
36
|
|
|
2024/10
|
28
|
34
|
38
|
45
|
40
|
38
|
45
|
53
|
51
|
46
|
50
|
41
|
45
|
56
|
59
|
53
|
48
|
79
|
135
|
81
|
50
|
32
|
36
|
50
|
44
|
54
|
35
|
45
|
52
|
58
|
57
|
|
2024/09
|
27
|
29
|
56
|
15
|
17
|
18
|
25
|
45
|
50
|
30
|
23
|
38
|
28
|
33
|
42
|
32
|
26
|
35
|
37
|
23
|
30
|
37
|
30
|
71
|
56
|
34
|
52
|
43
|
35
|
28
|
|
|
2024/08
|
34
|
19
|
22
|
25
|
28
|
31
|
28
|
126
|
80
|
16
|
20
|
32
|
42
|
39
|
29
|
28
|
26
|
23
|
25
|
30
|
32
|
50
|
49
|
105
|
70
|
61
|
43
|
56
|
39
|
78
|
50
|
|
2024/07
|
17
|
22
|
88
|
103
|
58
|
41
|
51
|
185
|
89
|
54
|
59
|
37
|
34
|
25
|
26
|
27
|
31
|
34
|
57
|
262
|
107
|
46
|
33
|
26
|
34
|
37
|
33
|
33
|
33
|
32
|
26
|
|
2024/06
|
48
|
41
|
43
|
31
|
58
|
36
|
45
|
27
|
24
|
28
|
30
|
28
|
82
|
32
|
46
|
43
|
58
|
108
|
39
|
22
|
26
|
33
|
28
|
39
|
76
|
56
|
54
|
32
|
64
|
20
|
|
|
2024/05
|
49
|
60
|
54
|
63
|
69
|
75
|
68
|
89
|
77
|
31
|
23
|
41
|
39
|
269
|
500
|
500
|
363
|
122
|
132
|
103
|
81
|
94
|
91
|
98
|
75
|
63
|
58
|
69
|
36
|
23
|
33
|
|
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