Vaasan keskusta, Vaasa, Pohjanmaa, Finland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Vaasan keskusta, Vaasa, Pohjanmaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Vaasan keskusta, Vaasa, Pohjanmaa, Finland
4 AM5th Aug 2025
10 PM
3 AM6th Aug 2025
32AQI
23AQI
33AQI
19AQI
In the last 24 hours,
Vaasan keskusta's AQI reached its highest point of 33 at 4 AM during the Night, while the lowest point, 19, was recorded at 3 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Vaasan keskusta, Vaasa, Pohjanmaa, Finland
12°C11/13°C
13°C10/16°C
15°C10/18°C
16°C11/20°C
17°C12/21°C
17°C13/22°C
20°C16/24°C
21°C17/25°C
20°C16/25°C
19°C16/21°C
18°C15/22°C
19°C14/24°C
19°C15/22°C
20°C16/24°C
21°C17/25°C
21°C18/25°C
19°C16/22°C
21°C17/24°C
20°C16/23°C
19°C17/23°C
18°C16/21°C
18°C16/21°C
19°C16/23°C
19°C17/22°C
20°C17/26°C
20°C16/25°C
18°C14/23°C
17°C14/21°C
18°C15/22°C
17°C14/20°C
--°C/°C
36AQI
36AQI
35AQI
35AQI
2025 Days Vs Air Quality
Vaasan keskusta, Vaasa, Pohjanmaa, Finland
97%
210
3%
6
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 218 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
Vaasan keskusta, Vaasa, Pohjanmaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
22AQI
23AQI
22AQI
22AQI
21AQI
21AQI
24AQI
23AQI
24AQI
23AQI
26AQI
24AQI
23AQI
23AQI
20AQI
23AQI
24AQI
22AQI
41AQI
30AQI
30AQI
29AQI
27AQI
28AQI
29AQI
26AQI
23AQI
23AQI
21AQI
21AQI
20AQI
20AQI
23AQI
26AQI
26AQI
28AQI
27AQI
28AQI
29AQI
31AQI
28AQI
26AQI
25AQI
25AQI
23AQI
23AQI
27AQI
25AQI
34AQI
31AQI
32AQI
40AQI
52AQI
48AQI
44AQI
40AQI
38AQI
37AQI
34AQI
28AQI
24AQI
27AQI
23AQI
23AQI
28AQI
30AQI
40AQI
35AQI
44AQI
50AQI
53AQI
52AQI
41AQI
34AQI
28AQI
23AQI
22AQI
27AQI
38AQI
35AQI
34AQI
41AQI
41AQI
39AQI
35AQI
32AQI
37AQI
40AQI
42AQI
39AQI
37AQI
39AQI
33AQI
28AQI
24AQI
27AQI
32AQI
32AQI
22AQI
18AQI
18AQI
19AQI
25AQI
29AQI
37AQI
34AQI
28AQI
24AQI
22AQI
18AQI
19AQI
18AQI
18AQI
17AQI
16AQI
16AQI
21AQI
18AQI
19AQI
18AQI
18AQI
15AQI
14AQI
14AQI
16AQI
17AQI
18AQI
16AQI
19AQI
18AQI
23AQI
23AQI
19AQI
19AQI
20AQI
18AQI
18AQI
19AQI
19AQI
16AQI
17AQI
17AQI
16AQI
19AQI
20AQI
22AQI
20AQI
22AQI
21AQI
19AQI
15AQI
18AQI
21AQI
23AQI
26AQI
22AQI
21AQI
40AQI
39AQI
30AQI
24AQI
23AQI
20AQI
21AQI
24AQI
26AQI
25AQI
26AQI
23AQI
20AQI
19AQI
19AQI
20AQI
19AQI
19AQI
18AQI
20AQI
21AQI
23AQI
19AQI
17AQI
18AQI
16AQI
16AQI
17AQI
17AQI
18AQI
18AQI
19AQI
20AQI
22AQI
24AQI
27AQI
33AQI
35AQI
38AQI
36AQI
31AQI
34AQI
38AQI
41AQI
46AQI
49AQI
53AQI
54AQI
52AQI
48AQI
43AQI
45AQI
36AQI
40AQI
44AQI
42AQI
30AQI
29AQI
24AQI
31AQI
35AQI
25AQI
18AQI
23AQI
32AQI
36AQI
No. of days
202527AQI
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
May18AQI
202414AQI
Highest AQI recorded in
December26AQI
Lowest AQI recorded in
February8AQI
202310AQI
Highest AQI recorded in
April17AQI
Lowest AQI recorded in
January7AQI
20229AQI
Highest AQI recorded in
April23AQI
Lowest AQI recorded in
March3AQI
202110AQI
Highest AQI recorded in
April18AQI
Lowest AQI recorded in
February6AQI
202010AQI
Highest AQI recorded in
June17AQI
Lowest AQI recorded in
November7AQI
Most & Least Polluted Years Over the Last 6 Years
Vaasan keskusta's annual 2025 AQI (27) shows an average percentage change of 158.7% (worsened AQI) compared to previous years: 2020 (10), 2021 (10), 2022 (9), 2023 (10), 2024 (14).