Vaasa, Pohjanmaa, 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
Vaasa, Pohjanmaa, Finland
AQI Trends: Highest and Lowest
Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 17 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jul - 2nd Jul 2025
Vaasa, Pohjanmaa, Finland
3 AM1st Jul 2025
11 PM
2 AM2nd Jul 2025
17AQI
15AQI
17AQI
17AQI
In the last 24 hours,
Vaasa's AQI reached its highest point of 17 at 3 AM during the Day, while the lowest point, 15, was recorded at 2 PM during the Day between 1st Jul and 2nd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Vaasa, Pohjanmaa, Finland
7°C7/8°C
8°C7/9°C
8°C7/9°C
8°C7/9°C
9°C8/9°C
8°C8/9°C
9°C8/9°C
9°C8/10°C
11°C7/13°C
11°C7/13°C
11°C8/12°C
11°C7/13°C
13°C8/17°C
15°C10/18°C
14°C10/17°C
13°C9/15°C
12°C10/15°C
11°C9/13°C
11°C9/13°C
9°C8/11°C
12°C9/14°C
10°C8/11°C
12°C10/14°C
10°C8/12°C
11°C7/14°C
12°C8/15°C
13°C10/15°C
13°C10/15°C
13°C12/15°C
15°C12/17°C
0°C0/0°C
21AQI
21AQI
21AQI
21AQI
2025 Days Vs Air Quality
Vaasa, Pohjanmaa, Finland
99%
180
1%
2
Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 183 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
Vaasa, Pohjanmaa, Finland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
23AQI
24AQI
22AQI
21AQI
21AQI
20AQI
24AQI
23AQI
24AQI
22AQI
25AQI
23AQI
21AQI
22AQI
20AQI
22AQI
23AQI
21AQI
36AQI
28AQI
28AQI
28AQI
25AQI
27AQI
27AQI
25AQI
22AQI
22AQI
20AQI
21AQI
20AQI
20AQI
23AQI
27AQI
25AQI
27AQI
25AQI
27AQI
29AQI
29AQI
27AQI
25AQI
23AQI
24AQI
23AQI
22AQI
25AQI
23AQI
32AQI
28AQI
31AQI
39AQI
53AQI
43AQI
39AQI
35AQI
33AQI
32AQI
30AQI
26AQI
23AQI
26AQI
23AQI
23AQI
27AQI
28AQI
41AQI
31AQI
43AQI
49AQI
52AQI
50AQI
35AQI
32AQI
24AQI
19AQI
21AQI
28AQI
39AQI
34AQI
32AQI
43AQI
37AQI
38AQI
33AQI
31AQI
38AQI
41AQI
43AQI
38AQI
38AQI
40AQI
31AQI
26AQI
23AQI
27AQI
33AQI
33AQI
22AQI
19AQI
18AQI
19AQI
26AQI
32AQI
37AQI
36AQI
28AQI
23AQI
20AQI
16AQI
19AQI
17AQI
17AQI
17AQI
16AQI
16AQI
22AQI
17AQI
19AQI
17AQI
17AQI
14AQI
14AQI
14AQI
15AQI
15AQI
17AQI
16AQI
19AQI
18AQI
22AQI
22AQI
18AQI
18AQI
19AQI
17AQI
18AQI
19AQI
18AQI
15AQI
17AQI
18AQI
16AQI
18AQI
20AQI
22AQI
20AQI
22AQI
21AQI
18AQI
13AQI
18AQI
21AQI
22AQI
26AQI
21AQI
20AQI
28AQI
29AQI
24AQI
22AQI
22AQI
19AQI
21AQI
24AQI
26AQI
25AQI
25AQI
21AQI
19AQI
18AQI
17AQI
18AQI
19AQI
19AQI
17AQI
20AQI
21AQI
22AQI
18AQI
17AQI
24AQI
29AQI
34AQI
25AQI
18AQI
21AQI
17AQI
No. of days
202525AQI
Highest AQI recorded in
March34AQI
Lowest AQI recorded in
July17AQI
202418AQI
Highest AQI recorded in
December25AQI
Lowest AQI recorded in
February8AQI
202311AQI
Highest AQI recorded in
April17AQI
Lowest AQI recorded in
January8AQI
202211AQI
Highest AQI recorded in
March18AQI
Lowest AQI recorded in
August6AQI
202113AQI
Highest AQI recorded in
June17AQI
Lowest AQI recorded in
August11AQI
202012AQI
Highest AQI recorded in
March25AQI
Lowest AQI recorded in
April6AQI
Most & Least Polluted Years Over the Last 6 Years
Vaasa's annual 2025 AQI (25) shows an average percentage change of 98.6% (worsened AQI) compared to previous years: 2020 (12), 2021 (13), 2022 (11), 2023 (11), 2024 (18).