Lohja, Uusimaa, 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
Lohja, Uusimaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Lohja, Uusimaa, Finland
4 AM4th Aug 2025
10 PM
3 AM5th Aug 2025
42AQI
27AQI
30AQI
24AQI
In the last 24 hours,
Lohja's AQI reached its highest point of 42 at 6 AM during the Day, while the lowest point, 24, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lohja, Uusimaa, Finland
14°C12/16°C
17°C12/22°C
15°C11/20°C
16°C9/22°C
16°C11/22°C
19°C14/25°C
22°C16/30°C
20°C16/24°C
22°C17/28°C
23°C17/29°C
23°C17/29°C
22°C16/29°C
21°C15/26°C
19°C14/27°C
21°C14/28°C
22°C15/28°C
20°C16/25°C
22°C16/28°C
23°C17/30°C
24°C17/30°C
23°C17/29°C
21°C16/27°C
21°C16/26°C
20°C18/23°C
22°C18/27°C
23°C17/29°C
19°C16/26°C
18°C14/23°C
19°C14/24°C
21°C16/27°C
--°C/°C
35AQI
35AQI
35AQI
35AQI
2025 Days Vs Air Quality
Lohja, Uusimaa, Finland
94%
202
6%
13
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 217 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
Lohja, Uusimaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
20AQI
21AQI
22AQI
20AQI
26AQI
23AQI
30AQI
19AQI
27AQI
19AQI
20AQI
21AQI
21AQI
21AQI
20AQI
21AQI
23AQI
21AQI
21AQI
22AQI
23AQI
25AQI
22AQI
29AQI
23AQI
23AQI
32AQI
31AQI
20AQI
20AQI
19AQI
19AQI
28AQI
40AQI
32AQI
24AQI
32AQI
35AQI
42AQI
49AQI
26AQI
21AQI
20AQI
25AQI
27AQI
24AQI
21AQI
21AQI
25AQI
29AQI
31AQI
56AQI
62AQI
74AQI
88AQI
65AQI
36AQI
34AQI
22AQI
22AQI
21AQI
24AQI
22AQI
23AQI
32AQI
52AQI
37AQI
44AQI
32AQI
34AQI
23AQI
25AQI
26AQI
14AQI
16AQI
15AQI
25AQI
28AQI
31AQI
35AQI
31AQI
47AQI
62AQI
49AQI
31AQI
43AQI
56AQI
60AQI
54AQI
41AQI
32AQI
28AQI
26AQI
17AQI
17AQI
18AQI
18AQI
19AQI
16AQI
18AQI
20AQI
18AQI
34AQI
32AQI
29AQI
27AQI
27AQI
38AQI
15AQI
14AQI
16AQI
17AQI
13AQI
16AQI
14AQI
16AQI
19AQI
15AQI
14AQI
15AQI
16AQI
13AQI
13AQI
13AQI
14AQI
13AQI
13AQI
14AQI
16AQI
17AQI
19AQI
24AQI
18AQI
15AQI
17AQI
15AQI
19AQI
20AQI
18AQI
14AQI
24AQI
22AQI
14AQI
15AQI
18AQI
19AQI
20AQI
28AQI
24AQI
17AQI
13AQI
19AQI
20AQI
32AQI
28AQI
22AQI
18AQI
15AQI
18AQI
18AQI
31AQI
40AQI
20AQI
19AQI
23AQI
24AQI
33AQI
25AQI
18AQI
16AQI
16AQI
14AQI
18AQI
23AQI
17AQI
14AQI
18AQI
18AQI
17AQI
15AQI
17AQI
17AQI
17AQI
15AQI
17AQI
17AQI
23AQI
19AQI
17AQI
18AQI
22AQI
35AQI
38AQI
39AQI
50AQI
44AQI
37AQI
29AQI
31AQI
33AQI
35AQI
38AQI
50AQI
52AQI
56AQI
55AQI
42AQI
38AQI
37AQI
40AQI
46AQI
38AQI
25AQI
26AQI
23AQI
36AQI
33AQI
21AQI
17AQI
21AQI
33AQI
30AQI
No. of days
202526AQI
Highest AQI recorded in
February36AQI
Lowest AQI recorded in
May17AQI
202421AQI
Highest AQI recorded in
March29AQI
Lowest AQI recorded in
November16AQI
202320AQI
Highest AQI recorded in
April26AQI
Lowest AQI recorded in
October12AQI
202220AQI
Highest AQI recorded in
March30AQI
Lowest AQI recorded in
September12AQI
202124AQI
Highest AQI recorded in
June30AQI
Lowest AQI recorded in
April14AQI
Most & Least Polluted Years Over the Last 5 Years
Lohja's annual 2025 AQI (26) shows an average percentage change of 25.9% (worsened AQI) compared to previous years: 2021 (24), 2022 (20), 2023 (20), 2024 (21).