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
Vantaa, Uusimaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 31 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Vantaa, Uusimaa, Finland
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
24AQI
12AQI
45AQI
23AQI
In the last 24 hours,
Vantaa's AQI reached its highest point of 45 at 1 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Vantaa, Uusimaa, Finland
18°C16/21°C
15°C13/18°C
15°C12/19°C
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
--°C/°C
27AQI
24AQI
30AQI
24AQI
2025 Days Vs Air Quality
Vantaa, Uusimaa, Finland
98%
276
2%
7
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 284 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
Vantaa, Uusimaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
23AQI
23AQI
25AQI
22AQI
26AQI
23AQI
31AQI
22AQI
24AQI
19AQI
21AQI
21AQI
22AQI
21AQI
20AQI
21AQI
23AQI
23AQI
22AQI
23AQI
24AQI
25AQI
24AQI
27AQI
25AQI
24AQI
31AQI
31AQI
23AQI
21AQI
20AQI
19AQI
21AQI
28AQI
25AQI
28AQI
29AQI
29AQI
37AQI
40AQI
29AQI
23AQI
21AQI
22AQI
28AQI
25AQI
26AQI
26AQI
25AQI
28AQI
27AQI
44AQI
51AQI
68AQI
75AQI
72AQI
41AQI
41AQI
29AQI
25AQI
23AQI
24AQI
22AQI
22AQI
27AQI
41AQI
30AQI
34AQI
28AQI
27AQI
24AQI
20AQI
18AQI
15AQI
18AQI
16AQI
17AQI
24AQI
24AQI
33AQI
29AQI
34AQI
53AQI
40AQI
42AQI
35AQI
50AQI
50AQI
48AQI
42AQI
32AQI
29AQI
24AQI
20AQI
19AQI
19AQI
18AQI
17AQI
15AQI
17AQI
19AQI
19AQI
29AQI
32AQI
27AQI
28AQI
30AQI
34AQI
18AQI
16AQI
16AQI
19AQI
14AQI
16AQI
14AQI
14AQI
18AQI
15AQI
14AQI
18AQI
16AQI
13AQI
14AQI
14AQI
13AQI
13AQI
14AQI
15AQI
16AQI
16AQI
18AQI
22AQI
16AQI
16AQI
17AQI
14AQI
17AQI
18AQI
18AQI
13AQI
21AQI
19AQI
15AQI
15AQI
18AQI
20AQI
19AQI
22AQI
26AQI
19AQI
14AQI
18AQI
20AQI
20AQI
25AQI
21AQI
18AQI
17AQI
19AQI
19AQI
27AQI
35AQI
24AQI
21AQI
20AQI
23AQI
31AQI
26AQI
21AQI
18AQI
18AQI
16AQI
20AQI
21AQI
17AQI
16AQI
18AQI
19AQI
18AQI
16AQI
17AQI
17AQI
18AQI
16AQI
17AQI
17AQI
20AQI
19AQI
18AQI
19AQI
21AQI
28AQI
32AQI
33AQI
47AQI
45AQI
36AQI
29AQI
28AQI
29AQI
34AQI
37AQI
46AQI
50AQI
54AQI
54AQI
48AQI
39AQI
37AQI
45AQI
49AQI
41AQI
28AQI
27AQI
30AQI
25AQI
22AQI
19AQI
19AQI
24AQI
21AQI
18AQI
16AQI
15AQI
19AQI
22AQI
16AQI
13AQI
12AQI
12AQI
11AQI
12AQI
12AQI
12AQI
12AQI
12AQI
12AQI
13AQI
14AQI
16AQI
17AQI
16AQI
15AQI
17AQI
18AQI
20AQI
22AQI
29AQI
39AQI
40AQI
35AQI
37AQI
34AQI
25AQI
22AQI
21AQI
24AQI
20AQI
17AQI
15AQI
16AQI
17AQI
30AQI
21AQI
14AQI
12AQI
15AQI
15AQI
11AQI
11AQI
24AQI
29AQI
35AQI
46AQI
41AQI
46AQI
49AQI
37AQI
38AQI
45AQI
38AQI
31AQI
24AQI
34AQI
30AQI
21AQI
17AQI
21AQI
32AQI
18AQI
22AQI
41AQI
No. of days
202525AQI
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
May17AQI
202426AQI
Highest AQI recorded in
March33AQI
Lowest AQI recorded in
October18AQI
202325AQI
Highest AQI recorded in
April35AQI
Lowest AQI recorded in
October17AQI
202225AQI
Highest AQI recorded in
March35AQI
Lowest AQI recorded in
August16AQI
202127AQI
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
September21AQI
202027AQI
Highest AQI recorded in
March35AQI
Lowest AQI recorded in
November22AQI
Most & Least Polluted Years Over the Last 6 Years
Vantaa's annual 2025 AQI (25) shows an average percentage change of -5.5% (improved AQI) compared to previous years: 2020 (27), 2021 (27), 2022 (25), 2023 (25), 2024 (26).