Skien, Telemark, 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
Skien, Telemark, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 30 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Skien, Telemark, Norway
4 AM1st Aug 2025
10 PM
3 AM2nd Aug 2025
32AQI
23AQI
38AQI
28AQI
In the last 24 hours,
Skien's AQI reached its highest point of 38 at 3 AM during the Night, while the lowest point, 23, was recorded at 12 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Skien, Telemark, Norway
17°C11/22°C
15°C8/20°C
14°C11/18°C
16°C12/21°C
14°C11/18°C
16°C11/21°C
17°C11/21°C
17°C11/23°C
21°C13/27°C
21°C14/28°C
18°C15/24°C
18°C15/21°C
19°C14/24°C
18°C15/25°C
22°C14/28°C
22°C17/26°C
22°C16/27°C
22°C16/28°C
21°C16/25°C
21°C16/26°C
20°C15/26°C
21°C15/27°C
21°C16/26°C
20°C16/25°C
19°C15/23°C
18°C12/22°C
16°C13/23°C
15°C13/20°C
18°C13/23°C
18°C13/23°C
--°C/°C
31AQI
31AQI
32AQI
32AQI
2025 Days Vs Air Quality
Skien, Telemark, Norway
87%
186
13%
27
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Skien, Telemark, Norway
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
39AQI
45AQI
74AQI
60AQI
41AQI
40AQI
45AQI
49AQI
42AQI
45AQI
58AQI
55AQI
58AQI
69AQI
69AQI
63AQI
69AQI
66AQI
52AQI
41AQI
50AQI
27AQI
42AQI
40AQI
47AQI
32AQI
33AQI
35AQI
40AQI
44AQI
49AQI
48AQI
56AQI
61AQI
41AQI
43AQI
45AQI
41AQI
47AQI
45AQI
37AQI
45AQI
41AQI
48AQI
53AQI
55AQI
71AQI
61AQI
61AQI
62AQI
64AQI
71AQI
48AQI
44AQI
40AQI
39AQI
36AQI
44AQI
54AQI
38AQI
33AQI
32AQI
29AQI
31AQI
62AQI
49AQI
55AQI
35AQI
22AQI
21AQI
40AQI
51AQI
41AQI
36AQI
52AQI
45AQI
44AQI
49AQI
47AQI
40AQI
37AQI
45AQI
45AQI
34AQI
33AQI
51AQI
35AQI
26AQI
33AQI
36AQI
38AQI
41AQI
28AQI
23AQI
22AQI
27AQI
30AQI
34AQI
33AQI
30AQI
25AQI
32AQI
26AQI
28AQI
27AQI
27AQI
17AQI
18AQI
14AQI
15AQI
15AQI
21AQI
20AQI
20AQI
25AQI
32AQI
30AQI
22AQI
23AQI
35AQI
26AQI
18AQI
16AQI
20AQI
19AQI
19AQI
25AQI
32AQI
37AQI
37AQI
39AQI
26AQI
24AQI
22AQI
18AQI
20AQI
18AQI
21AQI
26AQI
17AQI
14AQI
13AQI
25AQI
20AQI
25AQI
25AQI
23AQI
20AQI
19AQI
18AQI
23AQI
18AQI
27AQI
36AQI
33AQI
23AQI
18AQI
22AQI
16AQI
29AQI
27AQI
23AQI
26AQI
25AQI
31AQI
29AQI
32AQI
25AQI
19AQI
18AQI
18AQI
13AQI
30AQI
22AQI
19AQI
29AQI
21AQI
22AQI
21AQI
20AQI
47AQI
48AQI
27AQI
21AQI
18AQI
18AQI
19AQI
19AQI
23AQI
28AQI
27AQI
29AQI
30AQI
34AQI
36AQI
37AQI
36AQI
41AQI
47AQI
49AQI
45AQI
42AQI
39AQI
42AQI
42AQI
37AQI
32AQI
29AQI
23AQI
19AQI
26AQI
30AQI
48AQI
50AQI
40AQI
26AQI
23AQI
24AQI
33AQI
30AQI
No. of days
202535AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
May23AQI
202433AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
July20AQI
202331AQI
Highest AQI recorded in
February41AQI
Lowest AQI recorded in
October20AQI
202232AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
August17AQI
202130AQI
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
August22AQI
202026AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
July18AQI
Most & Least Polluted Years Over the Last 6 Years
Skien's annual 2025 AQI (35) shows an average percentage change of 14.7% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (32), 2023 (31), 2024 (33).