Nokela, Oulu, Pohjois Pohjanmaa, Finland 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
Nokela, Oulu, Pohjois Pohjanmaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Oct - 6th Oct 2025
Nokela, Oulu, Pohjois Pohjanmaa, Finland
6 AM5th Oct 2025
7 PM
5 AM6th Oct 2025
AQI
AQI
50AQI
37AQI
In the last 24 hours,
Nokela's AQI reached its highest point of 50 at 12 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 5th Oct and 6th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Nokela, Oulu, Pohjois Pohjanmaa, Finland
17°C14/21°C
18°C14/22°C
15°C14/16°C
16°C14/17°C
15°C13/17°C
18°C15/22°C
17°C14/21°C
15°C11/17°C
13°C10/17°C
12°C10/14°C
13°C11/15°C
12°C11/14°C
11°C9/14°C
10°C7/13°C
9°C7/10°C
10°C6/13°C
10°C8/10°C
8°C7/9°C
7°C5/9°C
10°C7/12°C
11°C10/12°C
11°C9/13°C
10°C8/14°C
10°C7/13°C
8°C6/11°C
8°C6/10°C
8°C4/11°C
8°C5/12°C
7°C4/9°C
--°C/°C
--°C/°C
22AQI
19AQI
27AQI
21AQI
2025 Days Vs Air Quality
Nokela, Oulu, Pohjois Pohjanmaa, Finland
100%
276
0.3%
1
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 278 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
Nokela, Oulu, Pohjois Pohjanmaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
24AQI
29AQI
30AQI
28AQI
23AQI
23AQI
24AQI
26AQI
31AQI
35AQI
30AQI
22AQI
22AQI
23AQI
21AQI
21AQI
22AQI
23AQI
29AQI
34AQI
25AQI
29AQI
24AQI
22AQI
26AQI
22AQI
22AQI
22AQI
21AQI
21AQI
22AQI
21AQI
27AQI
34AQI
24AQI
25AQI
23AQI
23AQI
23AQI
26AQI
27AQI
24AQI
24AQI
25AQI
23AQI
30AQI
25AQI
22AQI
31AQI
23AQI
25AQI
28AQI
39AQI
42AQI
33AQI
51AQI
30AQI
26AQI
25AQI
24AQI
24AQI
24AQI
24AQI
24AQI
25AQI
25AQI
25AQI
32AQI
28AQI
38AQI
37AQI
41AQI
27AQI
26AQI
20AQI
23AQI
19AQI
19AQI
24AQI
26AQI
23AQI
24AQI
26AQI
27AQI
30AQI
25AQI
27AQI
31AQI
37AQI
30AQI
33AQI
31AQI
28AQI
23AQI
22AQI
23AQI
26AQI
30AQI
24AQI
22AQI
20AQI
20AQI
24AQI
26AQI
33AQI
37AQI
29AQI
25AQI
19AQI
17AQI
18AQI
19AQI
17AQI
20AQI
17AQI
16AQI
19AQI
17AQI
17AQI
18AQI
17AQI
15AQI
15AQI
14AQI
16AQI
15AQI
16AQI
17AQI
19AQI
20AQI
20AQI
20AQI
19AQI
19AQI
21AQI
17AQI
16AQI
17AQI
18AQI
13AQI
16AQI
19AQI
18AQI
20AQI
19AQI
24AQI
20AQI
25AQI
19AQI
20AQI
17AQI
15AQI
20AQI
17AQI
22AQI
19AQI
21AQI
16AQI
17AQI
17AQI
19AQI
22AQI
19AQI
20AQI
22AQI
20AQI
23AQI
21AQI
19AQI
18AQI
18AQI
18AQI
17AQI
18AQI
17AQI
17AQI
18AQI
18AQI
16AQI
17AQI
16AQI
17AQI
14AQI
15AQI
16AQI
16AQI
17AQI
17AQI
18AQI
19AQI
23AQI
27AQI
28AQI
33AQI
33AQI
31AQI
28AQI
27AQI
28AQI
34AQI
35AQI
35AQI
39AQI
44AQI
46AQI
44AQI
43AQI
40AQI
38AQI
38AQI
42AQI
43AQI
40AQI
33AQI
31AQI
29AQI
24AQI
19AQI
17AQI
19AQI
20AQI
19AQI
16AQI
15AQI
18AQI
19AQI
16AQI
13AQI
12AQI
12AQI
11AQI
12AQI
12AQI
12AQI
13AQI
12AQI
12AQI
14AQI
14AQI
16AQI
16AQI
15AQI
16AQI
17AQI
17AQI
19AQI
20AQI
23AQI
28AQI
28AQI
29AQI
33AQI
35AQI
29AQI
23AQI
20AQI
21AQI
19AQI
17AQI
17AQI
16AQI
16AQI
15AQI
15AQI
13AQI
11AQI
17AQI
20AQI
18AQI
28AQI
17AQI
15AQI
22AQI
28AQI
37AQI
33AQI
25AQI
28AQI
27AQI
23AQI
18AQI
19AQI
29AQI
19AQI
20AQI
30AQI
No. of days
202523AQI
Highest AQI recorded in
October30AQI
Lowest AQI recorded in
May18AQI
202419AQI
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
November14AQI
202319AQI
Highest AQI recorded in
June23AQI
Lowest AQI recorded in
November13AQI
202216AQI
Highest AQI recorded in
December18AQI
Lowest AQI recorded in
September13AQI
Most & Least Polluted Years Over the Last 4 Years
Nokela's annual 2025 AQI (23) shows an average percentage change of 30.9% (worsened AQI) compared to previous years: 2022 (16), 2023 (19), 2024 (19).