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
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Real-time AQI (Monitoring Station in Lanzhou)
铁路设计院
5539 *
PM2.5
51
PM10
72
O3
0.4
CO
8
SO2
17
NO2
百合公园
5021
PM2.5
50
PM10
64
O3
0.5
CO
8
SO2
11
NO2
和平
5321
PM2.5
55 *
PM10
64
O3
0.4
CO
9
SO2
13
NO2
新区管委会
3014
PM2.5
30
PM10
80
O3
0.3
CO
22
SO2
7
NO2
舟曲中学
247
PM2.5
23
PM10
74
O3
0.4
CO
3
SO2
6
NO2
Air quality in the last 12 months (Lanzhou)
|
2025/01
|
70
|
67
|
77
|
77
|
110
|
107
|
58
|
61
|
69
|
69
|
64
|
71
|
75
|
67
|
67
|
87
|
80
|
66
|
82
|
81
|
76
|
85
|
110
|
94
|
79
|
90
|
83
|
120
|
171
|
112
|
67
|
|
2024/12
|
71
|
60
|
65
|
57
|
64
|
62
|
47
|
55
|
66
|
67
|
74
|
55
|
63
|
87
|
120
|
123
|
95
|
72
|
74
|
73
|
74
|
114
|
104
|
92
|
108
|
76
|
57
|
83
|
78
|
81
|
101
|
|
2024/11
|
61
|
55
|
65
|
68
|
66
|
72
|
73
|
71
|
66
|
73
|
60
|
62
|
64
|
81
|
82
|
56
|
55
|
44
|
58
|
74
|
78
|
93
|
76
|
44
|
52
|
66
|
76
|
74
|
79
|
77
|
|
|
2024/10
|
37
|
48
|
42
|
44
|
48
|
51
|
57
|
56
|
55
|
56
|
56
|
48
|
53
|
56
|
52
|
39
|
49
|
49
|
52
|
46
|
47
|
49
|
64
|
58
|
51
|
51
|
64
|
68
|
61
|
45
|
49
|
|
2024/09
|
45
|
48
|
37
|
32
|
22
|
21
|
33
|
44
|
29
|
32
|
35
|
36
|
26
|
42
|
45
|
38
|
48
|
50
|
45
|
34
|
39
|
46
|
40
|
60
|
53
|
39
|
54
|
54
|
32
|
30
|
|
|
2024/08
|
48
|
31
|
36
|
37
|
43
|
38
|
33
|
40
|
74
|
36
|
39
|
44
|
41
|
31
|
44
|
34
|
32
|
36
|
41
|
40
|
43
|
48
|
41
|
42
|
33
|
57
|
36
|
36
|
36
|
34
|
57
|
|
2024/07
|
28
|
39
|
36
|
49
|
37
|
55
|
49
|
33
|
60
|
67
|
64
|
68
|
46
|
30
|
31
|
35
|
39
|
46
|
35
|
113
|
273
|
85
|
59
|
107
|
75
|
57
|
47
|
46
|
32
|
38
|
39
|
|
2024/06
|
50
|
38
|
40
|
38
|
46
|
27
|
34
|
35
|
39
|
42
|
40
|
47
|
43
|
40
|
49
|
29
|
33
|
48
|
63
|
36
|
35
|
48
|
43
|
53
|
51
|
39
|
35
|
28
|
38
|
34
|
|
|
2024/05
|
46
|
30
|
32
|
50
|
62
|
70
|
61
|
47
|
47
|
70
|
51
|
53
|
51
|
55
|
109
|
77
|
75
|
67
|
83
|
79
|
56
|
51
|
62
|
175
|
65
|
56
|
48
|
39
|
28
|
33
|
59
|
|
2024/04
|
78
|
89
|
68
|
60
|
56
|
56
|
54
|
60
|
50
|
48
|
56
|
59
|
67
|
451
|
144
|
97
|
68
|
46
|
51
|
42
|
41
|
64
|
155
|
61
|
50
|
74
|
79
|
384
|
45
|
47
|
|
|
2024/03
|
75
|
78
|
73
|
63
|
70
|
69
|
200
|
105
|
85
|
76
|
70
|
76
|
69
|
73
|
214
|
161
|
91
|
89
|
90
|
71
|
77
|
77
|
95
|
38
|
54
|
47
|
44
|
54
|
99
|
200
|
90
|
|
2024/02
|
86
|
92
|
78
|
95
|
85
|
56
|
65
|
90
|
76
|
126
|
73
|
66
|
66
|
53
|
52
|
56
|
102
|
303
|
113
|
304
|
167
|
111
|
103
|
168
|
139
|
94
|
99
|
86
|
61
|
||
|
1
|
2
|
3
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4
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5
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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