Hameenlinnanvayla, Vantaa, Uusimaa, 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
Hameenlinnanvayla, Vantaa, Uusimaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (13th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 22 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Oct - 14th Oct 2025
Hameenlinnanvayla, Vantaa, Uusimaa, Finland
7 AM13th Oct 2025
7 PM
6 AM14th Oct 2025
26AQI
12AQI
31AQI
13AQI
In the last 24 hours,
Hameenlinnanvayla's AQI reached its highest point of 31 at 12 AM during the Night, while the lowest point, 12, was recorded at 1 PM during the Day between 13th Oct and 14th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hameenlinnanvayla, Vantaa, Uusimaa, Finland
14°C12/17°C
13°C12/14°C
14°C13/16°C
14°C12/15°C
13°C11/17°C
13°C11/16°C
14°C10/16°C
17°C15/19°C
13°C9/14°C
8°C4/10°C
6°C3/11°C
9°C4/14°C
10°C6/16°C
11°C8/16°C
10°C7/13°C
8°C6/10°C
7°C4/10°C
8°C6/11°C
7°C5/11°C
7°C5/10°C
9°C6/11°C
10°C8/10°C
11°C9/12°C
12°C10/14°C
11°C10/11°C
12°C10/14°C
9°C6/11°C
9°C7/11°C
7°C5/10°C
5°C5/6°C
--°C/°C
27AQI
24AQI
30AQI
25AQI
2025 Days Vs Air Quality
Hameenlinnanvayla, Vantaa, Uusimaa, Finland
97%
276
3%
10
Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 287 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
Hameenlinnanvayla, Vantaa, Uusimaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
24AQI
24AQI
24AQI
22AQI
26AQI
24AQI
30AQI
25AQI
25AQI
20AQI
21AQI
22AQI
22AQI
21AQI
20AQI
22AQI
23AQI
26AQI
23AQI
22AQI
24AQI
25AQI
26AQI
27AQI
26AQI
25AQI
30AQI
31AQI
27AQI
24AQI
22AQI
20AQI
21AQI
26AQI
25AQI
27AQI
28AQI
29AQI
33AQI
37AQI
34AQI
26AQI
23AQI
22AQI
28AQI
25AQI
27AQI
28AQI
25AQI
29AQI
27AQI
42AQI
51AQI
60AQI
67AQI
69AQI
55AQI
52AQI
42AQI
34AQI
28AQI
28AQI
23AQI
22AQI
24AQI
37AQI
29AQI
36AQI
32AQI
29AQI
25AQI
23AQI
21AQI
17AQI
19AQI
17AQI
17AQI
21AQI
22AQI
33AQI
33AQI
36AQI
51AQI
42AQI
44AQI
40AQI
50AQI
51AQI
48AQI
46AQI
41AQI
37AQI
31AQI
26AQI
23AQI
23AQI
19AQI
20AQI
17AQI
18AQI
18AQI
19AQI
25AQI
30AQI
29AQI
29AQI
32AQI
35AQI
25AQI
21AQI
19AQI
20AQI
17AQI
18AQI
16AQI
16AQI
18AQI
17AQI
16AQI
18AQI
16AQI
14AQI
14AQI
13AQI
13AQI
13AQI
14AQI
15AQI
16AQI
17AQI
17AQI
21AQI
17AQI
16AQI
17AQI
15AQI
17AQI
18AQI
17AQI
14AQI
19AQI
19AQI
17AQI
17AQI
19AQI
19AQI
20AQI
23AQI
26AQI
21AQI
17AQI
20AQI
20AQI
21AQI
24AQI
22AQI
19AQI
19AQI
19AQI
20AQI
25AQI
32AQI
26AQI
22AQI
22AQI
25AQI
32AQI
28AQI
22AQI
20AQI
19AQI
18AQI
19AQI
21AQI
19AQI
17AQI
18AQI
20AQI
19AQI
16AQI
16AQI
17AQI
15AQI
16AQI
16AQI
17AQI
20AQI
20AQI
20AQI
19AQI
22AQI
27AQI
32AQI
33AQI
48AQI
46AQI
38AQI
32AQI
29AQI
31AQI
37AQI
41AQI
48AQI
50AQI
54AQI
55AQI
49AQI
39AQI
37AQI
45AQI
50AQI
39AQI
28AQI
26AQI
28AQI
24AQI
22AQI
19AQI
18AQI
24AQI
21AQI
18AQI
16AQI
15AQI
18AQI
21AQI
16AQI
13AQI
12AQI
12AQI
11AQI
12AQI
12AQI
12AQI
13AQI
12AQI
13AQI
13AQI
14AQI
16AQI
17AQI
16AQI
16AQI
17AQI
18AQI
20AQI
21AQI
28AQI
38AQI
38AQI
34AQI
36AQI
33AQI
26AQI
22AQI
21AQI
23AQI
20AQI
17AQI
15AQI
16AQI
16AQI
31AQI
22AQI
14AQI
11AQI
15AQI
15AQI
10AQI
11AQI
30AQI
38AQI
42AQI
45AQI
40AQI
45AQI
50AQI
36AQI
38AQI
45AQI
38AQI
30AQI
30AQI
21AQI
22AQI
24AQI
34AQI
31AQI
24AQI
17AQI
21AQI
33AQI
18AQI
22AQI
37AQI
No. of days
202526AQI
Highest AQI recorded in
October37AQI
Lowest AQI recorded in
May17AQI
202428AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
October20AQI
202328AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
October18AQI
202224AQI
Highest AQI recorded in
December30AQI
Lowest AQI recorded in
September17AQI
Most & Least Polluted Years Over the Last 4 Years
Hameenlinnanvayla's annual 2025 AQI (26) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2022 (24), 2023 (28), 2024 (28).