Tromso, Troms, Norway Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Tromso, Troms, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 21 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Tromso, Troms, Norway
5 AM27th Sep 2026
7 PM
4 AM28th Sep 2026
27AQI
10AQI
25AQI
12AQI
In the last 24 hours,
Tromso's AQI reached its highest point of 27 at 3 PM during the Day, while the lowest point, 10, was recorded at 1 PM during the Day between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Tromso, Troms, Norway
13°C12/14°C
11°C9/12°C
9°C9/10°C
9°C8/10°C
8°C7/9°C
7°C6/8°C
6°C5/6°C
6°C5/7°C
8°C5/12°C
10°C8/11°C
8°C8/9°C
9°C8/11°C
10°C7/13°C
10°C8/13°C
9°C5/11°C
7°C7/8°C
9°C7/12°C
10°C9/12°C
7°C6/9°C
6°C5/7°C
7°C4/9°C
7°C6/8°C
7°C6/8°C
8°C6/10°C
9°C8/10°C
7°C6/8°C
7°C5/8°C
7°C6/8°C
8°C6/10°C
9°C9/11°C
24AQI
19AQI
24AQI
21AQI
2026 Days Vs Air Quality
Tromso, Troms, Norway
100%
267
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2026, 100% of 271 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
19AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
18AQI (US)
16AQI (US)
12AQI (US)
19AQI (US)
20AQI (US)
24AQI (US)
14AQI (US)
16AQI (US)
21AQI (US)
30AQI (US)
32AQI (US)
32AQI (US)
21AQI (US)
20AQI (US)
24AQI (US)
29AQI (US)
22AQI (US)
28AQI (US)
35AQI (US)
10AQI (US)
20AQI (US)
43AQI (US)
32AQI (US)
32AQI (US)
33AQI (US)
48AQI (US)
42AQI (US)
30AQI (US)
17AQI (US)
22AQI (US)
28AQI (US)
30AQI (US)
23AQI (US)
16AQI (US)
21AQI (US)
14AQI (US)
14AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
28AQI (US)
15AQI (US)
25AQI (US)
31AQI (US)
33AQI (US)
40AQI (US)
37AQI (US)
39AQI (US)
48AQI (US)
34AQI (US)
18AQI (US)
13AQI (US)
24AQI (US)
18AQI (US)
26AQI (US)
21AQI (US)
14AQI (US)
16AQI (US)
24AQI (US)
42AQI (US)
18AQI (US)
11AQI (US)
24AQI (US)
28AQI (US)
37AQI (US)
35AQI (US)
30AQI (US)
15AQI (US)
34AQI (US)
23AQI (US)
22AQI (US)
15AQI (US)
14AQI (US)
31AQI (US)
18AQI (US)
20AQI (US)
13AQI (US)
20AQI (US)
32AQI (US)
36AQI (US)
39AQI (US)
50AQI (US)
45AQI (US)
41AQI (US)
44AQI (US)
42AQI (US)
42AQI (US)
48AQI (US)
47AQI (US)
50AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
34AQI (US)
19AQI (US)
17AQI (US)
11AQI (US)
15AQI (US)
18AQI (US)
16AQI (US)
16AQI (US)
24AQI (US)
10AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
21AQI (US)
25AQI (US)
19AQI (US)
20AQI (US)
16AQI (US)
26AQI (US)
38AQI (US)
42AQI (US)
34AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
50AQI (US)
44AQI (US)
36AQI (US)
22AQI (US)
14AQI (US)
16AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
14AQI (US)
12AQI (US)
16AQI (US)
20AQI (US)
21AQI (US)
9AQI (US)
13AQI (US)
20AQI (US)
10AQI (US)
7AQI (US)
22AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
20AQI (US)
14AQI (US)
18AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
10AQI (US)
13AQI (US)
22AQI (US)
26AQI (US)
18AQI (US)
13AQI (US)
22AQI (US)
16AQI (US)
15AQI (US)
21AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
16AQI (US)
12AQI (US)
12AQI (US)
15AQI (US)
14AQI (US)
16AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
16AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
16AQI (US)
11AQI (US)
20AQI (US)
28AQI (US)
19AQI (US)
14AQI (US)
15AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
20AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
18AQI (US)
14AQI (US)
18AQI (US)
22AQI (US)
31AQI (US)
36AQI (US)
40AQI (US)
35AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
18AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
16AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
23AQI (US)
18AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
27AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
No. of days
202624AQI (US)
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
October37AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202421AQI (US)
Highest AQI (US) recorded in
April31AQI (US)
Lowest AQI (US) recorded in
September16AQI (US)
202318AQI (US)
Highest AQI (US) recorded in
October24AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
May28AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
October31AQI (US)
Lowest AQI (US) recorded in
March19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tromso's annual 2026 AQI (US) (24) shows an average percentage change of 3.4% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (25), 2022 (25), 2023 (18), 2024 (21), 2025 (27).