Harstad, Troms, Norway 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
Harstad, Troms, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (28th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 26 of Good air quality on the same day.
Day & Night AQI Trend: 29th Jul - 29th Jul 2026
Harstad, Troms, Norway
12 AM29th Jul 2026
12 AM
11 PM29th Jul 2026
19AQI
8AQI
16AQI
12AQI
In the last 24 hours,
Harstad's AQI reached its highest point of 19 at 3 AM during the Day, while the lowest point, 8, was recorded at 10 PM during the Day between 29th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Harstad, Troms, Norway
11°C11/13°C
11°C9/12°C
10°C8/12°C
11°C8/13°C
11°C8/12°C
13°C9/15°C
12°C10/13°C
11°C9/12°C
12°C10/14°C
12°C11/13°C
12°C11/14°C
12°C11/14°C
12°C9/14°C
12°C10/14°C
11°C11/12°C
12°C11/12°C
12°C11/14°C
11°C10/12°C
9°C6/10°C
8°C6/9°C
10°C6/12°C
11°C10/11°C
10°C8/10°C
10°C7/11°C
10°C9/12°C
12°C10/14°C
13°C10/16°C
12°C11/14°C
12°C11/14°C
12°C9/12°C
2026 Days Vs Air Quality
Harstad, Troms, Norway
99%
204
0.9%
2
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2026, 99% of 210 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
Harstad, Troms, Norway
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
12AQI (US)
32AQI (US)
40AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
31AQI (US)
12AQI (US)
14AQI (US)
23AQI (US)
18AQI (US)
19AQI (US)
30AQI (US)
19AQI (US)
24AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
47AQI (US)
16AQI (US)
18AQI (US)
23AQI (US)
25AQI (US)
41AQI (US)
41AQI (US)
7AQI (US)
17AQI (US)
39AQI (US)
36AQI (US)
30AQI (US)
28AQI (US)
49AQI (US)
43AQI (US)
33AQI (US)
11AQI (US)
22AQI (US)
25AQI (US)
31AQI (US)
19AQI (US)
13AQI (US)
17AQI (US)
25AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
16AQI (US)
16AQI (US)
27AQI (US)
28AQI (US)
30AQI (US)
19AQI (US)
18AQI (US)
28AQI (US)
28AQI (US)
35AQI (US)
39AQI (US)
36AQI (US)
28AQI (US)
30AQI (US)
23AQI (US)
17AQI (US)
13AQI (US)
26AQI (US)
26AQI (US)
31AQI (US)
25AQI (US)
10AQI (US)
13AQI (US)
18AQI (US)
35AQI (US)
15AQI (US)
10AQI (US)
21AQI (US)
32AQI (US)
32AQI (US)
27AQI (US)
35AQI (US)
20AQI (US)
23AQI (US)
31AQI (US)
18AQI (US)
12AQI (US)
16AQI (US)
33AQI (US)
14AQI (US)
15AQI (US)
13AQI (US)
18AQI (US)
26AQI (US)
15AQI (US)
26AQI (US)
44AQI (US)
50AQI (US)
48AQI (US)
58AQI (US)
43AQI (US)
35AQI (US)
49AQI (US)
48AQI (US)
59AQI (US)
41AQI (US)
26AQI (US)
22AQI (US)
38AQI (US)
31AQI (US)
21AQI (US)
12AQI (US)
16AQI (US)
19AQI (US)
21AQI (US)
13AQI (US)
15AQI (US)
11AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
18AQI (US)
16AQI (US)
15AQI (US)
17AQI (US)
14AQI (US)
17AQI (US)
12AQI (US)
13AQI (US)
14AQI (US)
21AQI (US)
36AQI (US)
40AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
36AQI (US)
33AQI (US)
39AQI (US)
50AQI (US)
43AQI (US)
28AQI (US)
11AQI (US)
18AQI (US)
17AQI (US)
12AQI (US)
19AQI (US)
23AQI (US)
27AQI (US)
34AQI (US)
25AQI (US)
19AQI (US)
10AQI (US)
11AQI (US)
15AQI (US)
19AQI (US)
19AQI (US)
8AQI (US)
12AQI (US)
19AQI (US)
14AQI (US)
15AQI (US)
20AQI (US)
17AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
19AQI (US)
17AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
11AQI (US)
12AQI (US)
21AQI (US)
23AQI (US)
16AQI (US)
14AQI (US)
19AQI (US)
12AQI (US)
13AQI (US)
18AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
39AQI (US)
21AQI (US)
12AQI (US)
16AQI (US)
21AQI (US)
21AQI (US)
15AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
30AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
No. of days
202624AQI (US)
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
October35AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
202422AQI (US)
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
October13AQI (US)
202322AQI (US)
Highest AQI (US) recorded in
April34AQI (US)
Lowest AQI (US) recorded in
September13AQI (US)
202222AQI (US)
Highest AQI (US) recorded in
November29AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
202120AQI (US)
Highest AQI (US) recorded in
December33AQI (US)
Lowest AQI (US) recorded in
September12AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
October29AQI (US)
Lowest AQI (US) recorded in
March9AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Harstad's annual 2026 AQI (US) (24) shows an average percentage change of 14.07% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (20), 2022 (22), 2023 (22), 2024 (22), 2025 (25).