Heinola, Paijat Hame, 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
Heinola, Paijat Hame, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Heinola, Paijat Hame, Finland
4 AM3rd Aug 2025
10 PM
3 AM4th Aug 2025
27AQI
23AQI
28AQI
28AQI
In the last 24 hours,
Heinola's AQI reached its highest point of 28 at 10 PM during the Night, while the lowest point, 23, was recorded at 1 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Heinola, Paijat Hame, Finland
12°C6/19°C
13°C11/15°C
16°C12/21°C
14°C11/18°C
15°C8/21°C
16°C10/20°C
18°C14/24°C
22°C16/28°C
23°C18/28°C
24°C18/29°C
23°C17/29°C
22°C15/28°C
22°C16/28°C
20°C14/26°C
21°C13/27°C
21°C14/27°C
22°C16/28°C
21°C17/26°C
23°C18/28°C
24°C17/30°C
24°C17/30°C
23°C17/29°C
23°C17/28°C
22°C18/27°C
22°C18/27°C
23°C18/29°C
22°C17/30°C
20°C15/27°C
19°C15/24°C
19°C14/25°C
--°C/°C
35AQI
35AQI
35AQI
35AQI
2025 Days Vs Air Quality
Heinola, Paijat Hame, Finland
96%
205
4%
9
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 216 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
Heinola, Paijat Hame, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
24AQI
24AQI
23AQI
27AQI
25AQI
30AQI
29AQI
32AQI
20AQI
21AQI
23AQI
20AQI
20AQI
19AQI
20AQI
20AQI
21AQI
20AQI
23AQI
22AQI
24AQI
24AQI
25AQI
23AQI
25AQI
23AQI
27AQI
20AQI
19AQI
19AQI
19AQI
21AQI
34AQI
24AQI
28AQI
29AQI
31AQI
35AQI
36AQI
26AQI
22AQI
21AQI
22AQI
23AQI
25AQI
25AQI
21AQI
24AQI
27AQI
23AQI
36AQI
53AQI
58AQI
65AQI
69AQI
47AQI
47AQI
31AQI
27AQI
21AQI
21AQI
21AQI
21AQI
24AQI
30AQI
26AQI
32AQI
24AQI
27AQI
25AQI
26AQI
21AQI
16AQI
17AQI
17AQI
17AQI
22AQI
21AQI
40AQI
33AQI
47AQI
50AQI
38AQI
42AQI
27AQI
47AQI
50AQI
47AQI
43AQI
35AQI
35AQI
27AQI
23AQI
23AQI
20AQI
23AQI
21AQI
17AQI
17AQI
20AQI
18AQI
25AQI
26AQI
35AQI
35AQI
30AQI
32AQI
20AQI
15AQI
18AQI
19AQI
14AQI
16AQI
14AQI
15AQI
18AQI
16AQI
16AQI
17AQI
15AQI
14AQI
14AQI
14AQI
13AQI
15AQI
15AQI
16AQI
17AQI
18AQI
19AQI
21AQI
17AQI
16AQI
19AQI
20AQI
20AQI
20AQI
19AQI
14AQI
18AQI
20AQI
19AQI
16AQI
18AQI
22AQI
20AQI
26AQI
25AQI
18AQI
16AQI
18AQI
21AQI
20AQI
24AQI
22AQI
19AQI
17AQI
19AQI
18AQI
27AQI
31AQI
23AQI
22AQI
24AQI
27AQI
32AQI
26AQI
21AQI
19AQI
19AQI
18AQI
19AQI
22AQI
19AQI
17AQI
18AQI
21AQI
19AQI
18AQI
17AQI
18AQI
18AQI
16AQI
17AQI
17AQI
19AQI
19AQI
19AQI
20AQI
22AQI
27AQI
34AQI
45AQI
51AQI
40AQI
32AQI
27AQI
28AQI
28AQI
33AQI
39AQI
47AQI
52AQI
54AQI
53AQI
47AQI
41AQI
39AQI
44AQI
51AQI
44AQI
30AQI
23AQI
33AQI
29AQI
23AQI
18AQI
21AQI
33AQI
37AQI
No. of days
202526AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
May18AQI
202423AQI
Highest AQI recorded in
May37AQI
Lowest AQI recorded in
March8AQI
202312AQI
Highest AQI recorded in
December13AQI
Lowest AQI recorded in
January4AQI
202216AQI
Highest AQI recorded in
December23AQI
Lowest AQI recorded in
September13AQI
Most & Least Polluted Years Over the Last 4 Years
Heinola's annual 2025 AQI (26) shows an average percentage change of 61.9% (worsened AQI) compared to previous years: 2022 (16), 2023 (12), 2024 (23).