Air Quality
Excellent
No health implications.
13
PM2.5
30
PM10
122
O3
0.3
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
61
Good
Tue
29 Jul
72
Good
Wed
30 Jul
61
Good
Thu
31 Jul
63
Good
Fri
1 Aug
63
Good
Sat
2 Aug
57
Good
Sun
3 Aug
20
Excellent
Air quality in the last 12 months (Linxia City)
|
2025/06
|
37
|
43
|
40
|
34
|
52
|
55
|
55
|
59
|
31
|
44
|
44
|
59
|
55
|
33
|
55
|
54
|
61
|
61
|
43
|
52
|
41
|
15
|
34
|
19
|
32
|
38
|
28
|
40
|
38
|
24
|
|
|
2025/05
|
46
|
99
|
128
|
88
|
64
|
101
|
93
|
58
|
46
|
40
|
40
|
51
|
62
|
33
|
36
|
46
|
99
|
48
|
52
|
46
|
48
|
54
|
49
|
39
|
31
|
45
|
39
|
33
|
43
|
88
|
65
|
|
2025/04
|
97
|
96
|
84
|
114
|
87
|
68
|
63
|
89
|
100
|
72
|
90
|
337
|
75
|
62
|
60
|
116
|
71
|
151
|
109
|
106
|
84
|
70
|
51
|
52
|
50
|
38
|
49
|
44
|
47
|
63
|
|
|
2025/03
|
67
|
53
|
51
|
54
|
49
|
51
|
71
|
65
|
66
|
64
|
165
|
105
|
79
|
49
|
50
|
53
|
48
|
48
|
54
|
59
|
55
|
59
|
58
|
51
|
75
|
384
|
111
|
72
|
70
|
88
|
81
|
|
2025/02
|
78
|
57
|
55
|
65
|
45
|
58
|
53
|
65
|
80
|
79
|
86
|
96
|
93
|
93
|
70
|
80
|
82
|
72
|
68
|
63
|
55
|
58
|
52
|
54
|
53
|
53
|
57
|
58
|
|||
|
2025/01
|
68
|
90
|
97
|
84
|
83
|
85
|
73
|
74
|
95
|
64
|
86
|
88
|
89
|
87
|
89
|
103
|
107
|
94
|
104
|
100
|
96
|
102
|
98
|
96
|
59
|
68
|
87
|
92
|
114
|
82
|
60
|
|
2024/12
|
57
|
66
|
63
|
50
|
66
|
72
|
54
|
48
|
53
|
50
|
58
|
47
|
48
|
61
|
67
|
61
|
74
|
67
|
61
|
68
|
89
|
150
|
158
|
139
|
142
|
111
|
68
|
110
|
101
|
110
|
72
|
|
2024/11
|
55
|
50
|
55
|
52
|
54
|
61
|
59
|
58
|
69
|
67
|
55
|
56
|
58
|
67
|
58
|
36
|
48
|
41
|
49
|
44
|
53
|
46
|
51
|
31
|
25
|
44
|
51
|
51
|
55
|
61
|
|
|
2024/10
|
31
|
41
|
44
|
38
|
51
|
43
|
50
|
48
|
39
|
42
|
46
|
42
|
42
|
48
|
51
|
41
|
40
|
47
|
50
|
42
|
43
|
38
|
53
|
53
|
55
|
40
|
47
|
53
|
62
|
55
|
42
|
|
2024/09
|
38
|
56
|
29
|
27
|
33
|
28
|
33
|
49
|
27
|
35
|
39
|
34
|
24
|
42
|
44
|
31
|
38
|
35
|
40
|
24
|
33
|
43
|
30
|
40
|
37
|
34
|
38
|
49
|
27
|
26
|
|
|
2024/08
|
40
|
35
|
42
|
42
|
43
|
46
|
34
|
36
|
49
|
43
|
43
|
44
|
50
|
30
|
36
|
34
|
34
|
34
|
44
|
42
|
46
|
50
|
37
|
39
|
35
|
45
|
42
|
35
|
35
|
32
|
34
|
|
2024/07
|
32
|
43
|
41
|
46
|
30
|
38
|
40
|
35
|
43
|
32
|
36
|
51
|
48
|
39
|
36
|
45
|
35
|
40
|
40
|
44
|
428
|
166
|
52
|
117
|
82
|
61
|
50
|
41
|
37
|
38
|
40
|
|
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