Norrkoping, ostergotland, 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
Norrkoping, ostergotland, Sweden
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Norrkoping, ostergotland, Sweden
6 AM27th Sep 2026
7 PM
5 AM28th Sep 2026
29AQI
22AQI
29AQI
23AQI
In the last 24 hours,
Norrkoping's AQI reached its highest point of 29 at 2 PM during the Day, while the lowest point, 22, was recorded at 11 AM during the Day between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Norrkoping, ostergotland, Sweden
16°C13/20°C
17°C14/22°C
16°C13/21°C
15°C12/21°C
14°C10/20°C
13°C11/16°C
12°C9/17°C
14°C8/20°C
15°C10/20°C
16°C13/20°C
14°C11/19°C
10°C9/12°C
13°C7/19°C
15°C12/19°C
15°C13/19°C
14°C12/16°C
14°C9/19°C
15°C12/18°C
14°C12/18°C
14°C11/17°C
14°C11/16°C
14°C11/17°C
12°C9/17°C
11°C6/17°C
11°C6/18°C
12°C9/17°C
13°C8/18°C
14°C10/18°C
12°C8/18°C
14°C9/20°C
29AQI
24AQI
26AQI
24AQI
2026 Days Vs Air Quality
Norrkoping, ostergotland, Sweden
96%
258
4%
10
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 272 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
Norrkoping, ostergotland, Sweden
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
19AQI (US)
14AQI (US)
20AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
31AQI (US)
17AQI (US)
19AQI (US)
20AQI (US)
21AQI (US)
17AQI (US)
18AQI (US)
19AQI (US)
46AQI (US)
53AQI (US)
35AQI (US)
61AQI (US)
79AQI (US)
50AQI (US)
10AQI (US)
37AQI (US)
61AQI (US)
54AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
48AQI (US)
27AQI (US)
14AQI (US)
10AQI (US)
34AQI (US)
39AQI (US)
30AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
38AQI (US)
33AQI (US)
44AQI (US)
39AQI (US)
27AQI (US)
26AQI (US)
48AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
14AQI (US)
33AQI (US)
24AQI (US)
18AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
43AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
39AQI (US)
47AQI (US)
62AQI (US)
44AQI (US)
76AQI (US)
77AQI (US)
79AQI (US)
35AQI (US)
28AQI (US)
12AQI (US)
29AQI (US)
35AQI (US)
33AQI (US)
31AQI (US)
54AQI (US)
40AQI (US)
38AQI (US)
27AQI (US)
40AQI (US)
30AQI (US)
47AQI (US)
12AQI (US)
24AQI (US)
32AQI (US)
30AQI (US)
24AQI (US)
32AQI (US)
35AQI (US)
30AQI (US)
20AQI (US)
21AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
19AQI (US)
16AQI (US)
31AQI (US)
24AQI (US)
21AQI (US)
36AQI (US)
29AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
12AQI (US)
12AQI (US)
19AQI (US)
8AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
20AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
12AQI (US)
13AQI (US)
26AQI (US)
28AQI (US)
13AQI (US)
8AQI (US)
18AQI (US)
29AQI (US)
37AQI (US)
43AQI (US)
33AQI (US)
33AQI (US)
34AQI (US)
38AQI (US)
38AQI (US)
36AQI (US)
49AQI (US)
46AQI (US)
38AQI (US)
18AQI (US)
9AQI (US)
19AQI (US)
19AQI (US)
24AQI (US)
17AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
19AQI (US)
21AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
17AQI (US)
17AQI (US)
15AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
16AQI (US)
14AQI (US)
8AQI (US)
13AQI (US)
5AQI (US)
10AQI (US)
19AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
37AQI (US)
40AQI (US)
19AQI (US)
19AQI (US)
20AQI (US)
25AQI (US)
20AQI (US)
21AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
33AQI (US)
31AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
17AQI (US)
24AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
37AQI (US)
33AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
21AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
28AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
31AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
23AQI (US)
27AQI (US)
21AQI (US)
22AQI (US)
27AQI (US)
27AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
February41AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202427AQI (US)
Highest AQI (US) recorded in
March36AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202325AQI (US)
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
October14AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
December29AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
20215AQI (US)
Highest AQI (US) recorded in
January5AQI (US)
Lowest AQI (US) recorded in
January5AQI (US)
202015AQI (US)
Highest AQI (US) recorded in
March24AQI (US)
Lowest AQI (US) recorded in
July9AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Norrkoping's annual 2026 AQI (US) (28) shows an average percentage change of 95.1% (worsened AQI (US)) compared to previous years: 2020 (15), 2021 (5), 2022 (25), 2023 (25), 2024 (27), 2025 (29).