Turku, Varsinais Suomi, Finland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Turku, Varsinais Suomi, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (29th July ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Jul - 30th Jul 2025
Turku, Varsinais Suomi, Finland
4 AM29th Jul 2025
10 PM
3 AM30th Jul 2025
43AQI
35AQI
38AQI
26AQI
In the last 24 hours,
Turku's AQI reached its highest point of 43 at 1 PM during the Day, while the lowest point, 26, was recorded at 3 AM during the Night between 29th Jul and 30th Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Turku, Varsinais Suomi, Finland
15°C11/19°C
17°C11/22°C
18°C13/23°C
15°C12/18°C
14°C11/16°C
13°C10/17°C
14°C13/16°C
16°C13/18°C
15°C12/20°C
16°C10/22°C
18°C13/23°C
19°C13/24°C
19°C15/26°C
19°C16/22°C
20°C17/25°C
21°C17/27°C
22°C17/27°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°C17/28°C
21°C17/25°C
20°C17/24°C
20°C17/23°C
20°C16/24°C
20°C18/23°C
--°C/°C
34AQI
34AQI
34AQI
34AQI
2025 Days Vs Air Quality
Turku, Varsinais Suomi, Finland
95%
199
5%
11
Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 211 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
Turku, Varsinais Suomi, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
19AQI
22AQI
23AQI
19AQI
23AQI
22AQI
22AQI
22AQI
25AQI
19AQI
20AQI
22AQI
20AQI
19AQI
20AQI
21AQI
22AQI
23AQI
21AQI
26AQI
23AQI
25AQI
23AQI
31AQI
25AQI
27AQI
24AQI
25AQI
20AQI
21AQI
19AQI
19AQI
23AQI
30AQI
27AQI
27AQI
26AQI
31AQI
37AQI
43AQI
27AQI
23AQI
21AQI
26AQI
38AQI
22AQI
22AQI
21AQI
28AQI
45AQI
38AQI
62AQI
67AQI
56AQI
52AQI
34AQI
28AQI
31AQI
29AQI
26AQI
25AQI
27AQI
24AQI
24AQI
29AQI
40AQI
35AQI
34AQI
30AQI
32AQI
27AQI
25AQI
24AQI
16AQI
16AQI
15AQI
18AQI
25AQI
26AQI
35AQI
33AQI
45AQI
60AQI
39AQI
32AQI
40AQI
63AQI
66AQI
63AQI
36AQI
29AQI
29AQI
23AQI
19AQI
18AQI
19AQI
24AQI
18AQI
17AQI
16AQI
17AQI
21AQI
35AQI
28AQI
34AQI
29AQI
31AQI
38AQI
15AQI
15AQI
20AQI
15AQI
14AQI
14AQI
13AQI
14AQI
20AQI
14AQI
20AQI
22AQI
18AQI
12AQI
14AQI
13AQI
13AQI
15AQI
16AQI
16AQI
17AQI
19AQI
23AQI
22AQI
17AQI
17AQI
19AQI
18AQI
26AQI
21AQI
18AQI
15AQI
23AQI
21AQI
15AQI
17AQI
20AQI
21AQI
24AQI
36AQI
23AQI
17AQI
13AQI
19AQI
20AQI
24AQI
32AQI
22AQI
20AQI
16AQI
18AQI
18AQI
28AQI
28AQI
21AQI
20AQI
21AQI
27AQI
31AQI
30AQI
22AQI
18AQI
18AQI
18AQI
18AQI
21AQI
22AQI
18AQI
22AQI
20AQI
20AQI
17AQI
16AQI
18AQI
16AQI
16AQI
17AQI
17AQI
22AQI
21AQI
19AQI
20AQI
22AQI
26AQI
37AQI
43AQI
50AQI
50AQI
46AQI
38AQI
37AQI
39AQI
39AQI
42AQI
49AQI
53AQI
56AQI
51AQI
45AQI
41AQI
40AQI
23AQI
33AQI
33AQI
22AQI
19AQI
21AQI
34AQI
No. of days
202526AQI
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
May19AQI
202423AQI
Highest AQI recorded in
March33AQI
Lowest AQI recorded in
November16AQI
202322AQI
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
October15AQI
202224AQI
Highest AQI recorded in
December26AQI
Lowest AQI recorded in
September18AQI
Most & Least Polluted Years Over the Last 4 Years
Turku's annual 2025 AQI (26) shows an average percentage change of 15.04% (worsened AQI) compared to previous years: 2022 (24), 2023 (22), 2024 (23).