Espoo, 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
Espoo, Uusimaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 45 of Good air quality on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Espoo, Uusimaa, Finland
6 AM2nd Oct 2026
7 PM
5 AM3rd Oct 2026
36AQI
25AQI
55AQI
31AQI
In the last 24 hours,
Espoo's AQI reached its highest point of 55 at 4 AM during the Night, while the lowest point, 25, was recorded at 4 PM during the Day between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Espoo, Uusimaa, Finland
13°C10/18°C
13°C10/19°C
12°C9/16°C
12°C6/17°C
15°C14/17°C
15°C14/17°C
15°C11/18°C
13°C10/17°C
11°C8/15°C
13°C11/16°C
11°C6/16°C
11°C8/16°C
13°C12/14°C
14°C11/17°C
12°C10/15°C
14°C11/16°C
14°C11/16°C
12°C9/17°C
11°C8/14°C
10°C8/12°C
11°C8/15°C
12°C11/12°C
13°C11/14°C
12°C9/15°C
12°C9/15°C
13°C11/15°C
12°C9/15°C
11°C9/15°C
12°C11/16°C
12°C9/15°C
27AQI
19AQI
26AQI
23AQI
2026 Days Vs Air Quality
Espoo, Uusimaa, Finland
97%
264
3%
9
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 276 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
Espoo, Uusimaa, Finland
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
16AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
37AQI (US)
31AQI (US)
12AQI (US)
11AQI (US)
8AQI (US)
9AQI (US)
9AQI (US)
11AQI (US)
26AQI (US)
40AQI (US)
61AQI (US)
57AQI (US)
40AQI (US)
42AQI (US)
32AQI (US)
23AQI (US)
12AQI (US)
42AQI (US)
47AQI (US)
48AQI (US)
41AQI (US)
32AQI (US)
37AQI (US)
33AQI (US)
51AQI (US)
34AQI (US)
32AQI (US)
47AQI (US)
42AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
36AQI (US)
23AQI (US)
12AQI (US)
21AQI (US)
42AQI (US)
46AQI (US)
41AQI (US)
38AQI (US)
41AQI (US)
14AQI (US)
28AQI (US)
40AQI (US)
60AQI (US)
22AQI (US)
26AQI (US)
21AQI (US)
19AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
30AQI (US)
37AQI (US)
37AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
22AQI (US)
15AQI (US)
53AQI (US)
45AQI (US)
86AQI (US)
68AQI (US)
19AQI (US)
50AQI (US)
46AQI (US)
22AQI (US)
27AQI (US)
15AQI (US)
33AQI (US)
22AQI (US)
27AQI (US)
17AQI (US)
43AQI (US)
27AQI (US)
65AQI (US)
22AQI (US)
18AQI (US)
18AQI (US)
25AQI (US)
31AQI (US)
37AQI (US)
34AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
23AQI (US)
17AQI (US)
22AQI (US)
27AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
40AQI (US)
36AQI (US)
39AQI (US)
22AQI (US)
23AQI (US)
31AQI (US)
25AQI (US)
23AQI (US)
17AQI (US)
18AQI (US)
20AQI (US)
9AQI (US)
17AQI (US)
19AQI (US)
14AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
16AQI (US)
22AQI (US)
22AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
18AQI (US)
27AQI (US)
39AQI (US)
46AQI (US)
35AQI (US)
34AQI (US)
39AQI (US)
52AQI (US)
49AQI (US)
36AQI (US)
50AQI (US)
43AQI (US)
37AQI (US)
19AQI (US)
22AQI (US)
15AQI (US)
12AQI (US)
20AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
37AQI (US)
40AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
17AQI (US)
16AQI (US)
12AQI (US)
21AQI (US)
21AQI (US)
19AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
20AQI (US)
17AQI (US)
16AQI (US)
16AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
21AQI (US)
17AQI (US)
19AQI (US)
23AQI (US)
21AQI (US)
19AQI (US)
14AQI (US)
7AQI (US)
13AQI (US)
15AQI (US)
20AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
31AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
18AQI (US)
28AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
34AQI (US)
22AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
31AQI (US)
20AQI (US)
16AQI (US)
15AQI (US)
21AQI (US)
18AQI (US)
17AQI (US)
13AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
6AQI (US)
10AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
17AQI (US)
40AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
24AQI (US)
17AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
15AQI (US)
12AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
24AQI (US)
16AQI (US)
22AQI (US)
17AQI (US)
12AQI (US)
15AQI (US)
22AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
33AQI (US)
45AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
24AQI (US)
29AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
35AQI (US)
No. of days
202627AQI (US)
Highest AQI (US) recorded in
October35AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202523AQI (US)
Highest AQI (US) recorded in
February33AQI (US)
Lowest AQI (US) recorded in
May16AQI (US)
202426AQI (US)
Highest AQI (US) recorded in
May35AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202326AQI (US)
Highest AQI (US) recorded in
May32AQI (US)
Lowest AQI (US) recorded in
October19AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
December20AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
March38AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Espoo's annual 2026 AQI (US) (27) shows an average percentage change of 5.5% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (27), 2022 (25), 2023 (26), 2024 (26), 2025 (23).