Naantali, Varsinais Suomi, 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
Naantali, Varsinais Suomi, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Naantali, Varsinais Suomi, Finland
4 AM2nd Aug 2025
10 PM
3 AM3rd Aug 2025
AQI
AQI
32AQI
20AQI
In the last 24 hours,
Naantali's AQI reached its highest point of 32 at 7 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Naantali, Varsinais Suomi, Finland
14°C11/15°C
13°C11/17°C
14°C13/16°C
16°C13/18°C
15°C12/20°C
16°C10/22°C
18°C13/22°C
19°C14/23°C
19°C15/26°C
19°C16/22°C
20°C17/24°C
21°C17/27°C
22°C18/27°C
23°C17/28°C
21°C17/26°C
20°C15/26°C
22°C16/27°C
22°C16/27°C
20°C17/25°C
21°C17/27°C
22°C17/27°C
21°C17/24°C
20°C17/24°C
20°C17/23°C
20°C17/24°C
20°C18/22°C
20°C16/23°C
20°C17/25°C
19°C16/24°C
--°C/°C
--°C/°C
32AQI
32AQI
33AQI
33AQI
2025 Days Vs Air Quality
Naantali, Varsinais Suomi, Finland
95%
202
5%
11
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 214 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
Naantali, Varsinais Suomi, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
28AQI
30AQI
28AQI
30AQI
29AQI
28AQI
28AQI
28AQI
27AQI
23AQI
25AQI
21AQI
24AQI
22AQI
21AQI
24AQI
24AQI
23AQI
24AQI
25AQI
28AQI
27AQI
26AQI
31AQI
31AQI
28AQI
30AQI
30AQI
23AQI
23AQI
21AQI
20AQI
22AQI
27AQI
37AQI
44AQI
46AQI
43AQI
46AQI
48AQI
44AQI
37AQI
34AQI
35AQI
34AQI
39AQI
39AQI
34AQI
37AQI
42AQI
51AQI
57AQI
63AQI
65AQI
64AQI
65AQI
60AQI
58AQI
53AQI
43AQI
36AQI
32AQI
27AQI
26AQI
32AQI
45AQI
50AQI
42AQI
36AQI
38AQI
33AQI
35AQI
31AQI
28AQI
24AQI
21AQI
23AQI
27AQI
37AQI
44AQI
36AQI
41AQI
50AQI
49AQI
43AQI
40AQI
49AQI
52AQI
53AQI
44AQI
38AQI
35AQI
29AQI
24AQI
20AQI
20AQI
26AQI
22AQI
18AQI
17AQI
16AQI
19AQI
27AQI
27AQI
30AQI
31AQI
29AQI
29AQI
18AQI
17AQI
18AQI
17AQI
16AQI
16AQI
15AQI
16AQI
18AQI
16AQI
16AQI
16AQI
16AQI
15AQI
16AQI
16AQI
16AQI
17AQI
17AQI
18AQI
20AQI
20AQI
21AQI
22AQI
20AQI
19AQI
20AQI
20AQI
21AQI
21AQI
21AQI
18AQI
21AQI
25AQI
22AQI
23AQI
23AQI
24AQI
25AQI
28AQI
27AQI
20AQI
17AQI
20AQI
22AQI
23AQI
28AQI
27AQI
27AQI
23AQI
25AQI
23AQI
28AQI
28AQI
23AQI
23AQI
22AQI
25AQI
29AQI
29AQI
21AQI
18AQI
19AQI
19AQI
18AQI
19AQI
20AQI
18AQI
20AQI
19AQI
20AQI
17AQI
16AQI
18AQI
17AQI
17AQI
17AQI
18AQI
20AQI
21AQI
21AQI
20AQI
22AQI
25AQI
30AQI
34AQI
40AQI
43AQI
39AQI
33AQI
34AQI
35AQI
36AQI
38AQI
40AQI
44AQI
49AQI
46AQI
40AQI
37AQI
35AQI
30AQI
36AQI
36AQI
26AQI
43AQI
38AQI
23AQI
20AQI
22AQI
31AQI
36AQI
No. of days
202529AQI
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
May20AQI
202413AQI
Highest AQI recorded in
December28AQI
Lowest AQI recorded in
July7AQI
202310AQI
Highest AQI recorded in
April23AQI
Lowest AQI recorded in
July7AQI
202210AQI
Highest AQI recorded in
April21AQI
Lowest AQI recorded in
August4AQI
20219AQI
Highest AQI recorded in
June13AQI
Lowest AQI recorded in
December6AQI
202015AQI
Highest AQI recorded in
March24AQI
Lowest AQI recorded in
December9AQI
Most & Least Polluted Years Over the Last 6 Years
Naantali's annual 2025 AQI (29) shows an average percentage change of 169.7% (worsened AQI) compared to previous years: 2020 (15), 2021 (9), 2022 (10), 2023 (10), 2024 (13).