Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
48AQI
21AQI
78AQI
54AQI
In the last 24 hours,
Aberdeen Union Street Roadside's AQI reached its highest point of 78 at 10 PM during the Night, while the lowest point, 21, was recorded at 11 AM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom
14°C12/17°C
11°C8/12°C
9°C6/12°C
10°C6/14°C
11°C8/14°C
11°C9/13°C
12°C10/14°C
13°C11/14°C
13°C11/14°C
12°C9/14°C
11°C9/13°C
13°C11/15°C
14°C13/15°C
14°C13/14°C
13°C10/14°C
10°C9/11°C
11°C10/13°C
15°C12/20°C
13°C10/14°C
11°C8/14°C
13°C11/16°C
13°C10/17°C
13°C10/18°C
14°C13/15°C
12°C10/14°C
11°C9/13°C
11°C8/14°C
11°C9/14°C
11°C10/12°C
11°C9/12°C
--°C/°C
29AQI
25AQI
37AQI
28AQI
2025 Days Vs Air Quality
Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom
94%
274
6%
17
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 292 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Aberdeen Union Street Roadside, Aberdeen, Aberdeen City, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
26AQI
28AQI
41AQI
43AQI
21AQI
20AQI
23AQI
23AQI
29AQI
47AQI
46AQI
29AQI
29AQI
26AQI
29AQI
28AQI
29AQI
50AQI
50AQI
43AQI
46AQI
33AQI
29AQI
21AQI
22AQI
31AQI
28AQI
19AQI
27AQI
29AQI
34AQI
30AQI
22AQI
20AQI
25AQI
35AQI
34AQI
34AQI
53AQI
43AQI
55AQI
54AQI
31AQI
30AQI
45AQI
32AQI
44AQI
50AQI
82AQI
59AQI
41AQI
22AQI
29AQI
25AQI
20AQI
32AQI
32AQI
33AQI
39AQI
39AQI
39AQI
29AQI
25AQI
48AQI
44AQI
75AQI
89AQI
61AQI
29AQI
20AQI
21AQI
27AQI
24AQI
26AQI
26AQI
33AQI
57AQI
76AQI
93AQI
85AQI
86AQI
42AQI
25AQI
34AQI
21AQI
22AQI
25AQI
25AQI
34AQI
44AQI
45AQI
47AQI
49AQI
48AQI
45AQI
44AQI
39AQI
35AQI
41AQI
47AQI
59AQI
41AQI
19AQI
24AQI
23AQI
20AQI
19AQI
22AQI
16AQI
20AQI
21AQI
28AQI
34AQI
27AQI
37AQI
30AQI
17AQI
29AQI
37AQI
42AQI
19AQI
24AQI
17AQI
26AQI
24AQI
23AQI
23AQI
26AQI
30AQI
35AQI
45AQI
42AQI
34AQI
39AQI
33AQI
31AQI
35AQI
38AQI
32AQI
30AQI
21AQI
19AQI
18AQI
23AQI
14AQI
14AQI
14AQI
17AQI
16AQI
17AQI
15AQI
18AQI
20AQI
17AQI
17AQI
16AQI
17AQI
16AQI
40AQI
50AQI
35AQI
46AQI
47AQI
29AQI
21AQI
21AQI
29AQI
22AQI
21AQI
31AQI
35AQI
37AQI
21AQI
20AQI
17AQI
16AQI
17AQI
19AQI
22AQI
20AQI
21AQI
18AQI
16AQI
18AQI
15AQI
16AQI
19AQI
27AQI
21AQI
18AQI
21AQI
20AQI
20AQI
32AQI
27AQI
27AQI
27AQI
24AQI
31AQI
47AQI
41AQI
24AQI
39AQI
38AQI
48AQI
32AQI
25AQI
21AQI
23AQI
22AQI
19AQI
20AQI
19AQI
23AQI
22AQI
25AQI
29AQI
23AQI
22AQI
22AQI
24AQI
27AQI
27AQI
46AQI
41AQI
34AQI
23AQI
20AQI
22AQI
24AQI
17AQI
18AQI
18AQI
18AQI
27AQI
35AQI
24AQI
23AQI
22AQI
21AQI
20AQI
24AQI
26AQI
22AQI
22AQI
18AQI
23AQI
19AQI
31AQI
22AQI
19AQI
23AQI
19AQI
17AQI
17AQI
17AQI
18AQI
17AQI
18AQI
18AQI
17AQI
19AQI
16AQI
16AQI
19AQI
19AQI
18AQI
19AQI
24AQI
19AQI
18AQI
23AQI
21AQI
28AQI
28AQI
20AQI
25AQI
25AQI
34AQI
35AQI
40AQI
46AQI
45AQI
55AQI
48AQI
43AQI
49AQI
59AQI
50AQI
53AQI
31AQI
37AQI
43AQI
34AQI
26AQI
25AQI
26AQI
25AQI
20AQI
39AQI
No. of days
202530AQI
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
September20AQI
202430AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
July22AQI
202329AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August21AQI
202232AQI
Highest AQI recorded in
March55AQI
Lowest AQI recorded in
August22AQI
202121AQI
Highest AQI recorded in
December32AQI
Lowest AQI recorded in
March9AQI
202015AQI
Highest AQI recorded in
October28AQI
Lowest AQI recorded in
November3AQI
Most & Least Polluted Years Over the Last 6 Years
Aberdeen Union Street Roadside's annual 2025 AQI (30) shows an average percentage change of 29.1% (worsened AQI) compared to previous years: 2020 (15), 2021 (21), 2022 (32), 2023 (29), 2024 (30).