Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Jul
Wed
16 Jul
Thu
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Real-time AQI (Monitoring Station in Lanzhou)
铁路设计院
5629
PM2.5
62 *
PM10
14
O3
0.6
CO
10
SO2
54
NO2
百合公园
4721
PM2.5
47
PM10
22
O3
0.6
CO
3
SO2
35
NO2
庄浪东路808号
6228
PM2.5
73 *
PM10
24
O3
0.5
CO
11
SO2
48
NO2
安宁西路88号
5423
PM2.5
58 *
PM10
38
O3
0.4
CO
6
SO2
20
NO2
北滨河东路1号
5923
PM2.5
67 *
PM10
6
O3
1.0
CO
9
SO2
44
NO2
新区管委会
5636
PM2.5
62 *
PM10
44
O3
0.5
CO
8
SO2
14
NO2
舟曲中学
7033
PM2.5
89 *
PM10
61
O3
0.4
CO
11
SO2
20
NO2
Air quality in the last 12 months (Lanzhou)
|
2025/06
|
41
|
45
|
44
|
37
|
42
|
47
|
52
|
57
|
39
|
42
|
46
|
60
|
65
|
44
|
60
|
44
|
53
|
55
|
42
|
42
|
42
|
26
|
32
|
34
|
30
|
39
|
29
|
37
|
49
|
33
|
|
|
2025/05
|
57
|
154
|
111
|
135
|
111
|
154
|
112
|
46
|
52
|
43
|
44
|
53
|
78
|
39
|
43
|
54
|
190
|
53
|
57
|
54
|
67
|
53
|
39
|
38
|
32
|
49
|
45
|
33
|
43
|
103
|
73
|
|
2025/04
|
140
|
113
|
106
|
135
|
77
|
71
|
72
|
100
|
146
|
78
|
178
|
378
|
99
|
66
|
80
|
190
|
88
|
259
|
145
|
165
|
90
|
78
|
57
|
56
|
58
|
50
|
66
|
47
|
55
|
142
|
|
|
2025/03
|
86
|
56
|
62
|
74
|
52
|
57
|
69
|
75
|
84
|
74
|
255
|
98
|
107
|
61
|
49
|
59
|
50
|
44
|
52
|
63
|
64
|
66
|
71
|
119
|
179
|
439
|
78
|
92
|
67
|
91
|
81
|
|
2025/02
|
59
|
59
|
43
|
46
|
48
|
49
|
58
|
63
|
64
|
62
|
86
|
94
|
86
|
59
|
57
|
83
|
76
|
69
|
71
|
65
|
68
|
69
|
52
|
62
|
63
|
64
|
66
|
68
|
|||
|
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
|
|
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