Tromso, Troms, Norway 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
Tromso, Troms, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 3rd Aug 2025
Tromso, Troms, Norway
12 AM3rd Aug 2025
5 AM
11 PM3rd Aug 2025
39AQI
22AQI
46AQI
45AQI
In the last 24 hours,
Tromso's AQI reached its highest point of 46 at 1 AM during the Night, while the lowest point, undefined, was recorded at 11 PM during the Day between 3rd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tromso, Troms, Norway
9°C8/10°C
11°C7/13°C
13°C10/15°C
11°C8/13°C
8°C8/9°C
11°C8/12°C
13°C11/14°C
14°C12/15°C
14°C12/15°C
15°C11/17°C
14°C11/17°C
12°C10/13°C
13°C9/15°C
15°C11/17°C
17°C11/22°C
15°C11/17°C
18°C13/20°C
17°C14/19°C
15°C13/17°C
14°C11/16°C
15°C12/17°C
14°C12/16°C
14°C12/16°C
15°C12/17°C
14°C12/16°C
13°C12/15°C
14°C12/15°C
18°C14/20°C
20°C17/23°C
16°C13/19°C
--°C/°C
2025 Days Vs Air Quality
Tromso, Troms, Norway
100%
214
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 215 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
Tromso, Troms, Norway
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
30AQI
29AQI
31AQI
30AQI
32AQI
33AQI
34AQI
31AQI
28AQI
27AQI
28AQI
27AQI
27AQI
27AQI
27AQI
26AQI
27AQI
27AQI
30AQI
28AQI
28AQI
29AQI
29AQI
31AQI
29AQI
29AQI
28AQI
28AQI
27AQI
28AQI
26AQI
26AQI
25AQI
25AQI
28AQI
29AQI
31AQI
33AQI
38AQI
32AQI
29AQI
28AQI
27AQI
27AQI
28AQI
28AQI
28AQI
28AQI
28AQI
33AQI
38AQI
39AQI
41AQI
38AQI
41AQI
39AQI
37AQI
37AQI
38AQI
34AQI
34AQI
30AQI
28AQI
27AQI
28AQI
27AQI
28AQI
27AQI
28AQI
28AQI
28AQI
28AQI
25AQI
23AQI
25AQI
20AQI
23AQI
26AQI
24AQI
22AQI
26AQI
36AQI
28AQI
32AQI
34AQI
32AQI
33AQI
37AQI
40AQI
42AQI
42AQI
40AQI
39AQI
35AQI
24AQI
28AQI
32AQI
25AQI
21AQI
16AQI
23AQI
22AQI
17AQI
14AQI
15AQI
22AQI
16AQI
14AQI
13AQI
14AQI
29AQI
21AQI
23AQI
21AQI
21AQI
20AQI
19AQI
20AQI
25AQI
18AQI
20AQI
18AQI
21AQI
26AQI
31AQI
30AQI
33AQI
40AQI
38AQI
45AQI
41AQI
36AQI
34AQI
30AQI
27AQI
25AQI
23AQI
26AQI
23AQI
23AQI
26AQI
25AQI
26AQI
23AQI
26AQI
24AQI
23AQI
20AQI
21AQI
21AQI
16AQI
18AQI
17AQI
23AQI
26AQI
23AQI
21AQI
19AQI
19AQI
19AQI
21AQI
24AQI
24AQI
28AQI
24AQI
25AQI
26AQI
25AQI
23AQI
21AQI
30AQI
25AQI
20AQI
21AQI
22AQI
27AQI
24AQI
23AQI
25AQI
20AQI
21AQI
23AQI
21AQI
20AQI
18AQI
19AQI
19AQI
18AQI
18AQI
19AQI
21AQI
23AQI
23AQI
24AQI
24AQI
24AQI
24AQI
26AQI
31AQI
33AQI
35AQI
36AQI
32AQI
29AQI
29AQI
31AQI
30AQI
28AQI
32AQI
31AQI
31AQI
35AQI
41AQI
29AQI
32AQI
29AQI
24AQI
27AQI
23AQI
26AQI
38AQI
No. of days
202527AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
June23AQI
202421AQI
Highest AQI recorded in
April31AQI
Lowest AQI recorded in
September16AQI
202318AQI
Highest AQI recorded in
October25AQI
Lowest AQI recorded in
March14AQI
202225AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
December15AQI
202125AQI
Highest AQI recorded in
May28AQI
Lowest AQI recorded in
September21AQI
202026AQI
Highest AQI recorded in
October31AQI
Lowest AQI recorded in
March19AQI
Most & Least Polluted Years Over the Last 6 Years
Tromso's annual 2025 AQI (27) shows an average percentage change of 19.4% (worsened AQI) compared to previous years: 2020 (26), 2021 (25), 2022 (25), 2023 (18), 2024 (21).