Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
Thu
16 Jul
Fri
17 Jul
Sat
18 Jul
Sun
19 Jul
Mon
20 Jul
Tue
21 Jul
Real-time AQI (Monitoring Station in Lanzhou)
铁路设计院
4322
PM2.5
43
PM10
54
O3
0.8
CO
6
SO2
53
NO2
百合公园
4717
PM2.5
47
PM10
53
O3
0.6
CO
2
SO2
31
NO2
和平
309
PM2.5
27
PM10
95
O3
0.7
CO
7
SO2
6
NO2
庄浪东路808号
3019
PM2.5
30
PM10
54
O3
0.3
CO
8
SO2
34
NO2
安宁西路88号
4124
PM2.5
41
PM10
80
O3
0.3
CO
8
SO2
19
NO2
北滨河东路1号
5419
PM2.5
55 *
PM10
7
O3
0.6
CO
12
SO2
81
NO2
Air quality in the last 12 months (Lanzhou)
|
2026/06
|
57
|
58
|
61
|
58
|
62
|
178
|
72
|
60
|
52
|
50
|
44
|
45
|
55
|
50
|
50
|
49
|
41
|
36
|
39
|
53
|
34
|
41
|
41
|
35
|
56
|
57
|
56
|
50
|
44
|
53
|
|
|
2026/05
|
46
|
55
|
49
|
52
|
59
|
84
|
59
|
52
|
56
|
65
|
68
|
65
|
46
|
151
|
64
|
53
|
50
|
60
|
49
|
48
|
252
|
114
|
74
|
41
|
55
|
88
|
91
|
49
|
51
|
61
|
89
|
|
2026/04
|
57
|
66
|
113
|
92
|
93
|
68
|
59
|
51
|
70
|
61
|
63
|
65
|
56
|
41
|
59
|
45
|
53
|
68
|
222
|
75
|
89
|
75
|
86
|
85
|
72
|
65
|
47
|
50
|
67
|
52
|
|
|
2026/03
|
92
|
92
|
136
|
125
|
77
|
69
|
63
|
50
|
61
|
58
|
56
|
237
|
265
|
83
|
98
|
90
|
73
|
85
|
92
|
80
|
106
|
115
|
94
|
74
|
69
|
49
|
45
|
48
|
50
|
43
|
52
|
|
2026/02
|
94
|
86
|
89
|
85
|
71
|
75
|
68
|
73
|
96
|
109
|
82
|
80
|
87
|
78
|
97
|
65
|
73
|
56
|
50
|
58
|
195
|
437
|
117
|
77
|
109
|
90
|
90
|
92
|
|||
|
2026/01
|
93
|
82
|
84
|
73
|
52
|
75
|
86
|
79
|
68
|
68
|
79
|
89
|
75
|
104
|
85
|
101
|
101
|
81
|
59
|
60
|
65
|
73
|
96
|
142
|
500
|
470
|
222
|
161
|
122
|
107
|
106
|
|
2025/12
|
86
|
66
|
70
|
80
|
87
|
85
|
67
|
72
|
94
|
92
|
106
|
87
|
71
|
79
|
97
|
85
|
89
|
113
|
62
|
47
|
85
|
90
|
51
|
56
|
59
|
69
|
85
|
96
|
90
|
101
|
66
|
|
2025/11
|
67
|
64
|
59
|
65
|
32
|
33
|
101
|
89
|
90
|
62
|
64
|
65
|
68
|
64
|
70
|
63
|
44
|
53
|
64
|
73
|
74
|
76
|
138
|
68
|
72
|
117
|
128
|
66
|
70
|
84
|
|
|
2025/10
|
31
|
38
|
56
|
63
|
60
|
46
|
35
|
30
|
36
|
30
|
35
|
30
|
49
|
51
|
51
|
58
|
37
|
51
|
55
|
55
|
45
|
45
|
30
|
41
|
49
|
40
|
57
|
66
|
69
|
65
|
64
|
|
2025/09
|
44
|
61
|
58
|
65
|
55
|
89
|
75
|
64
|
56
|
54
|
49
|
42
|
70
|
74
|
129
|
76
|
33
|
25
|
37
|
37
|
46
|
54
|
35
|
51
|
45
|
45
|
46
|
45
|
48
|
50
|
|
|
2025/08
|
52
|
41
|
42
|
24
|
36
|
44
|
40
|
23
|
37
|
48
|
42
|
34
|
45
|
41
|
39
|
45
|
35
|
31
|
32
|
120
|
23
|
29
|
28
|
39
|
35
|
22
|
28
|
26
|
32
|
41
|
43
|
|
2025/07
|
46
|
46
|
50
|
37
|
29
|
27
|
32
|
29
|
39
|
37
|
31
|
28
|
31
|
43
|
54
|
55
|
49
|
48
|
73
|
30
|
37
|
31
|
45
|
40
|
32
|
38
|
39
|
38
|
39
|
36
|
66
|
|
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
*: primary pollution