Norrbole, Skelleftea, Vasterbotten County, Sweden 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
Norrbole, Skelleftea, Vasterbotten County, Sweden
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 15 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Norrbole, Skelleftea, Vasterbotten County, Sweden
5 AM21st Sep 2025
7 PM
4 AM22nd Sep 2025
17AQI
14AQI
17AQI
12AQI
In the last 24 hours,
Norrbole's AQI reached its highest point of 17 at 6 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Norrbole, Skelleftea, Vasterbotten County, Sweden
9°C6/11°C
10°C6/13°C
12°C7/16°C
12°C9/16°C
12°C8/16°C
13°C7/20°C
12°C9/15°C
12°C9/15°C
12°C7/18°C
15°C10/21°C
15°C11/18°C
14°C12/16°C
15°C11/20°C
17°C13/22°C
16°C13/22°C
15°C14/18°C
17°C13/21°C
15°C11/20°C
16°C12/20°C
16°C12/19°C
14°C13/15°C
14°C9/18°C
13°C9/17°C
12°C10/13°C
12°C10/15°C
12°C10/15°C
11°C8/16°C
10°C7/15°C
11°C7/14°C
9°C6/13°C
--°C/°C
22AQI
20AQI
22AQI
20AQI
2025 Days Vs Air Quality
Norrbole, Skelleftea, Vasterbotten County, Sweden
96%
111
4%
5
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 265 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
Norrbole, Skelleftea, Vasterbotten County, Sweden
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI
22AQI
18AQI
13AQI
16AQI
16AQI
21AQI
24AQI
21AQI
19AQI
15AQI
17AQI
16AQI
18AQI
19AQI
18AQI
19AQI
24AQI
23AQI
24AQI
24AQI
20AQI
18AQI
16AQI
14AQI
16AQI
18AQI
18AQI
17AQI
21AQI
22AQI
20AQI
18AQI
18AQI
18AQI
16AQI
16AQI
17AQI
18AQI
17AQI
18AQI
18AQI
19AQI
26AQI
31AQI
33AQI
36AQI
37AQI
34AQI
31AQI
28AQI
32AQI
39AQI
47AQI
52AQI
52AQI
56AQI
55AQI
53AQI
44AQI
41AQI
41AQI
36AQI
37AQI
41AQI
41AQI
32AQI
30AQI
27AQI
22AQI
19AQI
18AQI
22AQI
22AQI
17AQI
16AQI
15AQI
19AQI
22AQI
15AQI
13AQI
14AQI
13AQI
12AQI
12AQI
12AQI
12AQI
12AQI
12AQI
13AQI
13AQI
15AQI
18AQI
18AQI
17AQI
19AQI
19AQI
19AQI
23AQI
26AQI
28AQI
32AQI
28AQI
32AQI
38AQI
45AQI
35AQI
24AQI
21AQI
22AQI
18AQI
17AQI
16AQI
16AQI
16AQI
15AQI
19AQI
19AQI
33AQI
19AQI
24AQI
No. of days
202524AQI
Highest AQI recorded in
July33AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 1 Years
Norrbole's annual 2025 AQI (24) shows an average percentage change of NaN% (improved AQI) compared to previous years: .