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
14 Sep
Tue
15 Sep
Wed
16 Sep
Thu
17 Sep
Fri
18 Sep
Sat
19 Sep
Sun
20 Sep
Real-time AQI (Monitoring Station in Lanzhou)
铁路设计院
3718
PM2.5
37
PM10
28
O3
1.3
CO
6
SO2
37
NO2
百合公园
3927
PM2.5
36
PM10
28
O3
0.8
CO
5
SO2
39
NO2
和平
258
PM2.5
25
PM10
49
O3
0.7
CO
11
SO2
16
NO2
庄浪东路808号
5831
PM2.5
61 *
PM10
47
O3
0.6
CO
12
SO2
25
NO2
安宁西路88号
4014
PM2.5
40
PM10
35
O3
0.5
CO
9
SO2
31
NO2
北滨河东路1号
3927
PM2.5
33
PM10
39
O3
1.6
CO
8
SO2
28
NO2
Air quality in the last 12 months (Lanzhou)
|
2026/08
|
46
|
37
|
40
|
50
|
47
|
45
|
39
|
32
|
38
|
48
|
44
|
42
|
49
|
55
|
42
|
42
|
35
|
39
|
53
|
51
|
45
|
48
|
35
|
39
|
32
|
32
|
26
|
30
|
37
|
46
|
46
|
|
2026/07
|
54
|
40
|
47
|
54
|
54
|
51
|
50
|
60
|
47
|
36
|
25
|
31
|
33
|
36
|
41
|
39
|
56
|
50
|
47
|
51
|
43
|
54
|
59
|
58
|
53
|
47
|
35
|
30
|
32
|
113
|
39
|
|
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
|
|
|
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