StCroix, Sarpsborg, Ostfold, Norway Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
StCroix, Sarpsborg, Ostfold, Norway
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
StCroix, Sarpsborg, Ostfold, Norway
4 AM2nd Jun 2026
9 PM
3 AM3rd Jun 2026
30AQI
21AQI
30AQI
26AQI
In the last 24 hours,
StCroix's AQI reached its highest point of 30 at 7 PM during the Day, while the lowest point, 21, was recorded at 4 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
StCroix, Sarpsborg, Ostfold, Norway
7°C3/10°C
6°C2/10°C
8°C3/12°C
9°C5/13°C
10°C7/11°C
9°C7/10°C
8°C5/11°C
9°C5/13°C
9°C6/13°C
6°C4/7°C
9°C6/11°C
8°C6/12°C
9°C7/11°C
11°C8/13°C
11°C8/14°C
11°C8/14°C
12°C11/14°C
13°C10/16°C
13°C12/14°C
15°C10/19°C
16°C13/19°C
15°C13/19°C
13°C9/17°C
12°C7/15°C
13°C10/15°C
16°C12/20°C
16°C11/21°C
13°C13/15°C
13°C13/15°C
16°C13/22°C
29AQI
22AQI
30AQI
28AQI
2026 Days Vs Air Quality
StCroix, Sarpsborg, Ostfold, Norway
90%
136
10%
15
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 154 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
StCroix, Sarpsborg, Ostfold, Norway
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
14AQI (US)
13AQI (US)
19AQI (US)
20AQI (US)
24AQI (US)
35AQI (US)
58AQI (US)
41AQI (US)
31AQI (US)
93AQI (US)
56AQI (US)
31AQI (US)
29AQI (US)
79AQI (US)
29AQI (US)
42AQI (US)
34AQI (US)
41AQI (US)
52AQI (US)
30AQI (US)
28AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
41AQI (US)
35AQI (US)
37AQI (US)
37AQI (US)
46AQI (US)
46AQI (US)
28AQI (US)
17AQI (US)
43AQI (US)
40AQI (US)
46AQI (US)
48AQI (US)
11AQI (US)
15AQI (US)
43AQI (US)
47AQI (US)
32AQI (US)
14AQI (US)
31AQI (US)
53AQI (US)
44AQI (US)
19AQI (US)
33AQI (US)
61AQI (US)
72AQI (US)
26AQI (US)
39AQI (US)
60AQI (US)
28AQI (US)
18AQI (US)
23AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
35AQI (US)
34AQI (US)
30AQI (US)
40AQI (US)
65AQI (US)
74AQI (US)
66AQI (US)
31AQI (US)
58AQI (US)
43AQI (US)
25AQI (US)
33AQI (US)
33AQI (US)
17AQI (US)
35AQI (US)
30AQI (US)
41AQI (US)
34AQI (US)
39AQI (US)
21AQI (US)
45AQI (US)
49AQI (US)
48AQI (US)
16AQI (US)
27AQI (US)
29AQI (US)
25AQI (US)
25AQI (US)
14AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
17AQI (US)
21AQI (US)
29AQI (US)
16AQI (US)
26AQI (US)
34AQI (US)
29AQI (US)
23AQI (US)
29AQI (US)
31AQI (US)
34AQI (US)
29AQI (US)
32AQI (US)
32AQI (US)
41AQI (US)
18AQI (US)
13AQI (US)
22AQI (US)
24AQI (US)
15AQI (US)
19AQI (US)
7AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
10AQI (US)
11AQI (US)
13AQI (US)
21AQI (US)
17AQI (US)
17AQI (US)
18AQI (US)
21AQI (US)
12AQI (US)
27AQI (US)
37AQI (US)
40AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
51AQI (US)
42AQI (US)
33AQI (US)
17AQI (US)
16AQI (US)
21AQI (US)
33AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
39AQI (US)
35AQI (US)
36AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
December53AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
January80AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202333AQI (US)
Highest AQI (US) recorded in
December52AQI (US)
Lowest AQI (US) recorded in
October18AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
March63AQI (US)
Lowest AQI (US) recorded in
August13AQI (US)
202138AQI (US)
Highest AQI (US) recorded in
December66AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
October39AQI (US)
Lowest AQI (US) recorded in
September11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
StCroix's annual 2026 AQI (US) (32) shows an average percentage change of 2.5% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (38), 2022 (35), 2023 (33), 2024 (35), 2025 (35).