Skoyen, Oslo, Oslo, Norway Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Skoyen, Oslo, Oslo, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (8th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Sep - 9th Sep 2025
Skoyen, Oslo, Oslo, Norway
5 AM8th Sep 2025
8 PM
4 AM9th Sep 2025
AQI
AQI
33AQI
20AQI
In the last 24 hours,
Skoyen's AQI reached its highest point of 33 at 8 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 8th Sep and 9th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Skoyen, Oslo, Oslo, Norway
16°C9/22°C
17°C11/23°C
16°C9/22°C
18°C11/26°C
17°C11/23°C
19°C12/27°C
16°C9/22°C
17°C8/26°C
19°C13/26°C
14°C7/19°C
12°C5/19°C
13°C8/18°C
11°C6/18°C
12°C3/19°C
13°C6/20°C
13°C7/20°C
13°C6/21°C
12°C9/15°C
14°C11/18°C
14°C11/17°C
14°C10/19°C
14°C10/19°C
14°C11/17°C
14°C10/19°C
15°C10/20°C
16°C13/20°C
14°C12/17°C
15°C11/20°C
14°C9/21°C
--°C/°C
--°C/°C
23AQI
21AQI
23AQI
21AQI
2025 Days Vs Air Quality
Skoyen, Oslo, Oslo, Norway
90%
225
10%
26
Total number of days with different AQI categories in last 251 days in 2025 (114 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 251 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
Skoyen, Oslo, Oslo, Norway
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
40AQI
41AQI
79AQI
81AQI
22AQI
19AQI
23AQI
22AQI
24AQI
27AQI
58AQI
64AQI
47AQI
56AQI
62AQI
60AQI
51AQI
38AQI
24AQI
25AQI
37AQI
27AQI
26AQI
37AQI
30AQI
21AQI
23AQI
21AQI
28AQI
50AQI
55AQI
36AQI
37AQI
41AQI
23AQI
35AQI
39AQI
34AQI
47AQI
54AQI
53AQI
50AQI
37AQI
43AQI
74AQI
74AQI
93AQI
54AQI
52AQI
53AQI
55AQI
65AQI
42AQI
27AQI
23AQI
22AQI
24AQI
32AQI
41AQI
37AQI
30AQI
29AQI
24AQI
32AQI
75AQI
56AQI
39AQI
27AQI
21AQI
23AQI
37AQI
40AQI
39AQI
29AQI
46AQI
40AQI
43AQI
47AQI
43AQI
30AQI
36AQI
47AQI
55AQI
35AQI
34AQI
44AQI
26AQI
16AQI
32AQI
38AQI
40AQI
44AQI
27AQI
20AQI
22AQI
27AQI
32AQI
41AQI
38AQI
31AQI
21AQI
37AQI
28AQI
32AQI
37AQI
54AQI
19AQI
19AQI
13AQI
13AQI
13AQI
17AQI
19AQI
17AQI
16AQI
21AQI
27AQI
15AQI
14AQI
28AQI
22AQI
13AQI
14AQI
17AQI
15AQI
17AQI
21AQI
18AQI
28AQI
25AQI
37AQI
22AQI
20AQI
16AQI
15AQI
16AQI
15AQI
18AQI
20AQI
13AQI
13AQI
14AQI
20AQI
19AQI
21AQI
20AQI
18AQI
16AQI
14AQI
13AQI
18AQI
19AQI
19AQI
29AQI
24AQI
19AQI
16AQI
18AQI
16AQI
32AQI
23AQI
21AQI
24AQI
22AQI
31AQI
36AQI
35AQI
21AQI
17AQI
17AQI
20AQI
17AQI
33AQI
19AQI
18AQI
29AQI
18AQI
18AQI
17AQI
16AQI
44AQI
37AQI
20AQI
18AQI
17AQI
22AQI
20AQI
19AQI
24AQI
32AQI
27AQI
30AQI
31AQI
46AQI
46AQI
46AQI
36AQI
44AQI
52AQI
52AQI
49AQI
48AQI
43AQI
49AQI
52AQI
44AQI
41AQI
29AQI
23AQI
18AQI
29AQI
29AQI
32AQI
24AQI
23AQI
23AQI
20AQI
17AQI
31AQI
23AQI
21AQI
18AQI
19AQI
21AQI
32AQI
39AQI
17AQI
13AQI
17AQI
19AQI
13AQI
12AQI
13AQI
13AQI
14AQI
14AQI
15AQI
24AQI
29AQI
36AQI
42AQI
26AQI
26AQI
20AQI
22AQI
25AQI
24AQI
23AQI
23AQI
23AQI
38AQI
46AQI
37AQI
26AQI
19AQI
22AQI
35AQI
22AQI
23AQI
No. of days
202530AQI
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
May19AQI
202432AQI
Highest AQI recorded in
January57AQI
Lowest AQI recorded in
April19AQI
202325AQI
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
July14AQI
202230AQI
Highest AQI recorded in
December53AQI
Lowest AQI recorded in
August14AQI
202137AQI
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
September17AQI
202024AQI
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
May10AQI
Most & Least Polluted Years Over the Last 6 Years
Skoyen's annual 2025 AQI (30) shows an average percentage change of 4.6% (worsened AQI) compared to previous years: 2020 (24), 2021 (37), 2022 (30), 2023 (25), 2024 (32).