Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

July Air Quality Analysis

StCroix, Sarpsborg, Ostfold, Norway

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Jul 2022
90AQI
Lowest AQI recorded on
10th Jul 2022
4AQI

Same Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 37 of Good air quality on the same day.

Day & Night AQI Trend: 29th Jul - 30th Jul 2026

StCroix, Sarpsborg, Ostfold, Norway

AQI
Day
Night
.

4 AM29th Jul 2026

10 PM

3 AM30th Jul 2026

Day time
Avg. Highest Time
7PM29th Jul

52AQI

Avg. Lowest Time
12PM29th Jul

25AQI

Night time
Avg. Highest Time
1AM30th Jul

53AQI

Avg. Lowest Time
2AM30th Jul

49AQI

In the last 24 hours,

StCroix's AQI reached its highest point of 53 at 1 AM during the Night, while the lowest point, 25, was recorded at 12 PM during the Day between 29th Jul and 30th Jul 2026.

Day & Night AQI Trend : Jul 2026

StCroix, Sarpsborg, Ostfold, Norway

Jul
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
1st Jul 2026214 AMAQI
1st Jul 2026195 AMAQI
1st Jul 2026216 AMAQI
1st Jul 2026237 AMAQI
1st Jul 2026218 AMAQI
1st Jul 2026259 AMAQI
1st Jul 20262610 AMAQI
1st Jul 20262111 AMAQI
1st Jul 20262212 PMAQI
1st Jul 2026201 PMAQI
1st Jul 2026382 PMAQI
1st Jul 2026403 PMAQI
1st Jul 2026304 PMAQI
1st Jul 2026305 PMAQI
1st Jul 2026256 PMAQI
1st Jul 2026247 PMAQI
1st Jul 2026268 PMAQI
1st Jul 2026239 PMAQI
1st Jul 20261610 PMAQI
1st Jul 20261511 PMAQI
2nd Jul 20262312 AMAQI
2nd Jul 2026201 AMAQI
2nd Jul 2026222 AMAQI
2nd Jul 2026143 AMAQI

17°C14/20°C

2nd Jul 2026144 AMAQI
2nd Jul 2026185 AMAQI
2nd Jul 2026196 AMAQI
2nd Jul 2026177 AMAQI
2nd Jul 2026208 AMAQI
2nd Jul 2026219 AMAQI
2nd Jul 20262210 AMAQI
2nd Jul 20262511 AMAQI
2nd Jul 20262312 PMAQI
2nd Jul 2026221 PMAQI
2nd Jul 2026242 PMAQI
2nd Jul 2026233 PMAQI
2nd Jul 2026244 PMAQI
2nd Jul 2026225 PMAQI
2nd Jul 2026246 PMAQI
2nd Jul 202667 PMAQI
2nd Jul 2026158 PMAQI
2nd Jul 202669 PMAQI
2nd Jul 20261410 PMAQI
2nd Jul 20261711 PMAQI
3rd Jul 20262512 AMAQI
3rd Jul 2026261 AMAQI
3rd Jul 2026162 AMAQI
3rd Jul 202663 AMAQI

15°C13/17°C

3rd Jul 202664 AMAQI
3rd Jul 202645 AMAQI
3rd Jul 202646 AMAQI
3rd Jul 202687 AMAQI
3rd Jul 2026168 AMAQI
3rd Jul 2026229 AMAQI
3rd Jul 20262410 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20262412 PMAQI
3rd Jul 2026201 PMAQI
3rd Jul 2026122 PMAQI
3rd Jul 2026143 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026165 PMAQI
3rd Jul 2026246 PMAQI
3rd Jul 2026177 PMAQI
3rd Jul 2026148 PMAQI
3rd Jul 202669 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262411 PMAQI
4th Jul 2026612 AMAQI
4th Jul 2026231 AMAQI
4th Jul 2026142 AMAQI
4th Jul 202683 AMAQI

16°C12/21°C

4th Jul 2026224 AMAQI
4th Jul 202685 AMAQI
4th Jul 2026166 AMAQI
4th Jul 2026157 AMAQI
4th Jul 2026168 AMAQI
4th Jul 202689 AMAQI
4th Jul 20261510 AMAQI
4th Jul 20262211 AMAQI
4th Jul 20261412 PMAQI
4th Jul 2026161 PMAQI
4th Jul 2026222 PMAQI
4th Jul 202683 PMAQI
4th Jul 2026224 PMAQI
4th Jul 2026165 PMAQI
4th Jul 2026166 PMAQI
4th Jul 2026197 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026209 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262311 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026211 AMAQI
5th Jul 2026192 AMAQI
5th Jul 2026193 AMAQI

16°C12/20°C

5th Jul 2026194 AMAQI
5th Jul 2026205 AMAQI
5th Jul 2026206 AMAQI
5th Jul 2026217 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026229 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20261511 AMAQI
5th Jul 2026612 PMAQI
5th Jul 202641 PMAQI
5th Jul 202642 PMAQI
5th Jul 202643 PMAQI
5th Jul 202664 PMAQI
5th Jul 202675 PMAQI
5th Jul 202666 PMAQI
5th Jul 202667 PMAQI
5th Jul 202688 PMAQI
5th Jul 202689 PMAQI
5th Jul 2026810 PMAQI
5th Jul 2026811 PMAQI
6th Jul 2026612 AMAQI
6th Jul 202681 AMAQI
6th Jul 202682 AMAQI
6th Jul 202663 AMAQI

17°C13/21°C

6th Jul 2026104 AMAQI
6th Jul 202685 AMAQI
6th Jul 202686 AMAQI
6th Jul 202687 AMAQI
6th Jul 202688 AMAQI
6th Jul 202699 AMAQI
6th Jul 20261010 AMAQI
6th Jul 2026911 AMAQI
6th Jul 2026812 PMAQI
6th Jul 202681 PMAQI
6th Jul 202682 PMAQI
6th Jul 202683 PMAQI
6th Jul 202674 PMAQI
6th Jul 202665 PMAQI
6th Jul 202666 PMAQI
6th Jul 202657 PMAQI
6th Jul 202688 PMAQI
6th Jul 202649 PMAQI
6th Jul 2026610 PMAQI
6th Jul 2026611 PMAQI
7th Jul 2026812 AMAQI
7th Jul 202681 AMAQI
7th Jul 2026172 AMAQI
7th Jul 2026243 AMAQI

14°C10/17°C

7th Jul 2026224 AMAQI
7th Jul 2026205 AMAQI
7th Jul 2026206 AMAQI
7th Jul 2026237 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026259 AMAQI
7th Jul 20261710 AMAQI
7th Jul 20261211 AMAQI
7th Jul 2026812 PMAQI
7th Jul 202681 PMAQI
7th Jul 202682 PMAQI
7th Jul 202673 PMAQI
7th Jul 202664 PMAQI
7th Jul 202685 PMAQI
7th Jul 202686 PMAQI
7th Jul 202687 PMAQI
7th Jul 202648 PMAQI
7th Jul 202649 PMAQI
7th Jul 2026410 PMAQI
7th Jul 2026811 PMAQI
8th Jul 2026812 AMAQI
8th Jul 2026101 AMAQI
8th Jul 2026102 AMAQI
8th Jul 202683 AMAQI

15°C12/18°C

8th Jul 2026224 AMAQI
8th Jul 202685 AMAQI
8th Jul 202686 AMAQI
8th Jul 202687 AMAQI
8th Jul 202688 AMAQI
8th Jul 202689 AMAQI
8th Jul 20261510 AMAQI
8th Jul 20261411 AMAQI
8th Jul 20261412 PMAQI
8th Jul 2026141 PMAQI
8th Jul 202682 PMAQI
8th Jul 202683 PMAQI
8th Jul 202684 PMAQI
8th Jul 202685 PMAQI
8th Jul 202686 PMAQI
8th Jul 202687 PMAQI
8th Jul 2026108 PMAQI
8th Jul 2026189 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026202 AMAQI
9th Jul 2026203 AMAQI

17°C11/22°C

9th Jul 2026204 AMAQI
9th Jul 2026205 AMAQI
9th Jul 2026196 AMAQI
9th Jul 2026187 AMAQI
9th Jul 2026168 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20261510 AMAQI
9th Jul 20261411 AMAQI
9th Jul 20261012 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026233 PMAQI
9th Jul 2026274 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026188 PMAQI
9th Jul 2026169 PMAQI
9th Jul 20261610 PMAQI
9th Jul 2026811 PMAQI
10th Jul 20261612 AMAQI
10th Jul 2026101 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026263 AMAQI

17°C11/21°C

10th Jul 2026244 AMAQI
10th Jul 2026245 AMAQI
10th Jul 2026226 AMAQI
10th Jul 2026227 AMAQI
10th Jul 2026208 AMAQI
10th Jul 2026229 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262911 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026291 PMAQI
10th Jul 2026292 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026314 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20262810 PMAQI
10th Jul 20262711 PMAQI
11th Jul 20261912 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026303 AMAQI

20°C15/25°C

11th Jul 2026264 AMAQI
11th Jul 2026245 AMAQI
11th Jul 2026216 AMAQI
11th Jul 2026217 AMAQI
11th Jul 2026208 AMAQI
11th Jul 2026249 AMAQI
11th Jul 20262610 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026282 PMAQI
11th Jul 2026283 PMAQI
11th Jul 2026204 PMAQI
11th Jul 2026265 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026259 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026293 AMAQI

20°C17/23°C

12th Jul 2026244 AMAQI
12th Jul 2026225 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026147 AMAQI
12th Jul 202688 AMAQI
12th Jul 2026149 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026261 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026245 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026267 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026229 PMAQI
12th Jul 20262410 PMAQI
12th Jul 20262511 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026262 AMAQI
13th Jul 2026283 AMAQI

20°C16/25°C

13th Jul 2026244 AMAQI
13th Jul 2026245 AMAQI
13th Jul 2026206 AMAQI
13th Jul 2026217 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026239 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026281 PMAQI
13th Jul 2026262 PMAQI
13th Jul 2026283 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026175 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026268 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20262812 AMAQI
14th Jul 2026241 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026283 AMAQI

20°C14/25°C

14th Jul 2026224 AMAQI
14th Jul 2026225 AMAQI
14th Jul 2026196 AMAQI
14th Jul 2026187 AMAQI
14th Jul 2026198 AMAQI
14th Jul 2026229 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262812 PMAQI
14th Jul 2026281 PMAQI
14th Jul 2026282 PMAQI
14th Jul 2026313 PMAQI
14th Jul 2026304 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026303 AMAQI

21°C16/26°C

15th Jul 2026264 AMAQI
15th Jul 2026245 AMAQI
15th Jul 2026226 AMAQI
15th Jul 2026207 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262710 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026261 PMAQI
15th Jul 2026262 PMAQI
15th Jul 2026283 PMAQI
15th Jul 2026254 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026256 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262711 PMAQI
16th Jul 20262712 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026283 AMAQI

22°C16/28°C

16th Jul 2026264 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026246 AMAQI
16th Jul 2026267 AMAQI
16th Jul 2026248 AMAQI
16th Jul 2026249 AMAQI
16th Jul 20262410 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026291 PMAQI
16th Jul 2026312 PMAQI
16th Jul 2026263 PMAQI
16th Jul 2026264 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262510 PMAQI
16th Jul 20262611 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026242 AMAQI
17th Jul 2026293 AMAQI

22°C18/26°C

17th Jul 2026244 AMAQI
17th Jul 2026265 AMAQI
17th Jul 2026226 AMAQI
17th Jul 2026247 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026429 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20264811 AMAQI
17th Jul 20264812 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026474 PMAQI
17th Jul 2026325 PMAQI
17th Jul 2026466 PMAQI
17th Jul 2026427 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20262911 PMAQI
18th Jul 20262912 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026493 AMAQI

20°C17/23°C

18th Jul 2026484 AMAQI
18th Jul 2026425 AMAQI
18th Jul 2026386 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026408 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20264810 AMAQI
18th Jul 20264611 AMAQI
18th Jul 20263412 PMAQI
18th Jul 2026341 PMAQI
18th Jul 2026192 PMAQI
18th Jul 2026143 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026256 PMAQI
18th Jul 2026237 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20262910 PMAQI
18th Jul 20261011 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026121 AMAQI
19th Jul 2026162 AMAQI
19th Jul 2026253 AMAQI

14°C11/17°C

19th Jul 2026174 AMAQI
19th Jul 2026205 AMAQI
19th Jul 2026326 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026169 AMAQI
19th Jul 2026810 AMAQI
19th Jul 20261011 AMAQI
19th Jul 2026812 PMAQI
19th Jul 2026121 PMAQI
19th Jul 2026122 PMAQI
19th Jul 202683 PMAQI
19th Jul 202684 PMAQI
19th Jul 2026165 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026207 PMAQI
19th Jul 2026248 PMAQI
19th Jul 2026169 PMAQI
19th Jul 20261210 PMAQI
19th Jul 20261911 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026181 AMAQI
20th Jul 2026242 AMAQI
20th Jul 2026203 AMAQI

12°C9/16°C

20th Jul 2026294 AMAQI
20th Jul 2026185 AMAQI
20th Jul 2026146 AMAQI
20th Jul 2026177 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20264611 AMAQI
20th Jul 20262112 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026243 PMAQI
20th Jul 2026224 PMAQI
20th Jul 2026245 PMAQI
20th Jul 2026226 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026248 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20262111 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026253 AMAQI

17°C10/22°C

21st Jul 2026254 AMAQI
21st Jul 2026216 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262210 AMAQI
21st Jul 20263211 AMAQI
21st Jul 20263212 PMAQI
21st Jul 2026231 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026326 PMAQI
21st Jul 2026337 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20263211 PMAQI
22nd Jul 20264212 AMAQI
22nd Jul 2026481 AMAQI
22nd Jul 2026492 AMAQI
22nd Jul 2026503 AMAQI

17°C12/20°C

22nd Jul 2026494 AMAQI
22nd Jul 2026505 AMAQI
22nd Jul 2026516 AMAQI
22nd Jul 2026327 AMAQI
22nd Jul 2026198 AMAQI
22nd Jul 2026149 AMAQI
22nd Jul 20261210 AMAQI
22nd Jul 20261011 AMAQI
22nd Jul 20261212 PMAQI
22nd Jul 2026121 PMAQI
22nd Jul 2026122 PMAQI
22nd Jul 202683 PMAQI
22nd Jul 2026124 PMAQI
22nd Jul 2026125 PMAQI
22nd Jul 2026126 PMAQI
22nd Jul 2026127 PMAQI
22nd Jul 2026128 PMAQI
22nd Jul 2026129 PMAQI
22nd Jul 20261210 PMAQI
22nd Jul 20261211 PMAQI
23rd Jul 20261012 AMAQI
23rd Jul 2026121 AMAQI
23rd Jul 2026102 AMAQI
23rd Jul 2026123 AMAQI

18°C13/22°C

23rd Jul 2026124 AMAQI
23rd Jul 2026125 AMAQI
23rd Jul 2026126 AMAQI
23rd Jul 2026127 AMAQI
23rd Jul 202688 AMAQI
23rd Jul 2026109 AMAQI
23rd Jul 20261210 AMAQI
23rd Jul 20261411 AMAQI
23rd Jul 20261412 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026142 PMAQI
23rd Jul 2026143 PMAQI
23rd Jul 2026144 PMAQI
23rd Jul 2026125 PMAQI
23rd Jul 2026166 PMAQI
23rd Jul 2026177 PMAQI
23rd Jul 2026128 PMAQI
23rd Jul 2026129 PMAQI
23rd Jul 20261410 PMAQI
23rd Jul 20261711 PMAQI
24th Jul 20261612 AMAQI
24th Jul 2026191 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026313 AMAQI

15°C10/20°C

24th Jul 2026344 AMAQI
24th Jul 2026255 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026298 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026311 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026205 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026199 PMAQI
24th Jul 20262210 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026213 AMAQI

18°C15/22°C

25th Jul 2026144 AMAQI
25th Jul 2026105 AMAQI
25th Jul 2026106 AMAQI
25th Jul 202687 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026181 PMAQI
25th Jul 2026122 PMAQI
25th Jul 2026143 PMAQI
25th Jul 2026164 PMAQI
25th Jul 2026195 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026407 PMAQI
25th Jul 2026348 PMAQI
25th Jul 2026509 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20262812 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026562 AMAQI
26th Jul 2026183 AMAQI

15°C14/16°C

26th Jul 2026124 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026146 AMAQI
26th Jul 2026147 AMAQI
26th Jul 202688 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20261912 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026185 PMAQI
26th Jul 2026146 PMAQI
26th Jul 2026177 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026321 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026253 AMAQI

16°C13/18°C

27th Jul 2026294 AMAQI
27th Jul 2026295 AMAQI
27th Jul 2026186 AMAQI
27th Jul 2026167 AMAQI
27th Jul 2026168 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026122 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026544 PMAQI
27th Jul 2026445 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20261710 PMAQI
27th Jul 20261411 PMAQI
28th Jul 20262212 AMAQI
28th Jul 2026181 AMAQI
28th Jul 202682 AMAQI
28th Jul 202683 AMAQI

16°C11/21°C

28th Jul 202684 AMAQI
28th Jul 202685 AMAQI
28th Jul 2026106 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026149 AMAQI
28th Jul 20261710 AMAQI
28th Jul 20261011 AMAQI
28th Jul 20261612 PMAQI
28th Jul 2026121 PMAQI
28th Jul 2026182 PMAQI
28th Jul 2026173 PMAQI
28th Jul 2026124 PMAQI
28th Jul 2026225 PMAQI
28th Jul 2026326 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026348 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026341 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026233 AMAQI

16°C12/20°C

29th Jul 2026274 AMAQI
29th Jul 2026335 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026321 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026263 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026515 PMAQI
29th Jul 2026496 PMAQI
29th Jul 2026527 PMAQI
29th Jul 2026528 PMAQI
29th Jul 2026519 PMAQI
29th Jul 20265110 PMAQI
29th Jul 20264911 PMAQI
30th Jul 20265112 AMAQI
30th Jul 2026531 AMAQI
30th Jul 2026492 AMAQI
30th Jul 2026513 AMAQI

18°C15/20°C

30th Jul 2026534 AMAQI
4 AM
30th Jul 2026495 AMAQI
30th Jul 2026486 AMAQI
30th Jul 2026497 AMAQI
30th Jul 2026508 AMAQI
30th Jul 2026539 AMAQI
30th Jul 20265310 AMAQI
30th Jul 20266411 AMAQI
30th Jul 20267012 PMAQI
30th Jul 2026691 PMAQI
1 PM
30th Jul 2026622 PMAQI
30th Jul 2026603 PMAQI
30th Jul 2026594 PMAQI
30th Jul 2026545 PMAQI
30th Jul 2026536 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026648 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20266010 PMAQI
10 PM
30th Jul 20266211 PMAQI
1 AM
3 AM

19°C16/21°C

Day time
Avg. Highest Time
10 AM - 11 AM

25AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM - 8 AM

21AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 11 AM (Avg. 25), while the lowest AQI was between 6 AM to 8 AM (Avg. 21).
Night time
Avg. Highest Time
2 AM

25AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 25), while the lowest AQI was between 12 AM to 12 AM (Avg. 23).

2026 Days Vs Air Quality

StCroix, Sarpsborg, Ostfold, Norway

2026

92%

191

8%

16

Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)

Good
191 Days
Moderate
16 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 211 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

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
20AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
19AQI (US)
5th January 2026
20AQI (US)
6th January 2026
24AQI (US)
7th January 2026
35AQI (US)
8th January 2026
58AQI (US)
9th January 2026
41AQI (US)
10th January 2026
31AQI (US)
11th January 2026
93AQI (US)
12th January 2026
56AQI (US)
13th January 2026
31AQI (US)
14th January 2026
29AQI (US)
15th January 2026
79AQI (US)
16th January 2026
29AQI (US)
17th January 2026
42AQI (US)
18th January 2026
34AQI (US)
19th January 2026
41AQI (US)
20th January 2026
52AQI (US)
21st January 2026
30AQI (US)
22nd January 2026
28AQI (US)
23rd January 2026
46AQI (US)
24th January 2026
51AQI (US)
25th January 2026
49AQI (US)
26th January 2026
41AQI (US)
27th January 2026
35AQI (US)
28th January 2026
37AQI (US)
29th January 2026
37AQI (US)
30th January 2026
46AQI (US)
31st January 2026
46AQI (US)
1st February 2026
28AQI (US)
2nd February 2026
17AQI (US)
3rd February 2026
43AQI (US)
4th February 2026
40AQI (US)
5th February 2026
46AQI (US)
6th February 2026
48AQI (US)
7th February 2026
11AQI (US)
8th February 2026
15AQI (US)
9th February 2026
43AQI (US)
10th February 2026
47AQI (US)
11th February 2026
32AQI (US)
12th February 2026
14AQI (US)
13th February 2026
31AQI (US)
14th February 2026
53AQI (US)
15th February 2026
44AQI (US)
16th February 2026
19AQI (US)
17th February 2026
33AQI (US)
18th February 2026
61AQI (US)
19th February 2026
72AQI (US)
20th February 2026
26AQI (US)
21st February 2026
39AQI (US)
22nd February 2026
60AQI (US)
23rd February 2026
28AQI (US)
24th February 2026
18AQI (US)
25th February 2026
23AQI (US)
26th February 2026
31AQI (US)
27th February 2026
29AQI (US)
28th February 2026
28AQI (US)
1st March 2026
26AQI (US)
2nd March 2026
35AQI (US)
3rd March 2026
34AQI (US)
4th March 2026
30AQI (US)
5th March 2026
40AQI (US)
6th March 2026
65AQI (US)
7th March 2026
74AQI (US)
8th March 2026
66AQI (US)
9th March 2026
31AQI (US)
10th March 2026
58AQI (US)
11th March 2026
43AQI (US)
12th March 2026
25AQI (US)
13th March 2026
33AQI (US)
14th March 2026
33AQI (US)
15th March 2026
17AQI (US)
16th March 2026
35AQI (US)
17th March 2026
30AQI (US)
18th March 2026
41AQI (US)
19th March 2026
34AQI (US)
20th March 2026
39AQI (US)
21st March 2026
21AQI (US)
22nd March 2026
45AQI (US)
23rd March 2026
49AQI (US)
24th March 2026
48AQI (US)
25th March 2026
16AQI (US)
26th March 2026
27AQI (US)
27th March 2026
29AQI (US)
28th March 2026
25AQI (US)
29th March 2026
25AQI (US)
30th March 2026
14AQI (US)
31st March 2026
23AQI (US)
1st April 2026
26AQI (US)
2nd April 2026
23AQI (US)
3rd April 2026
17AQI (US)
4th April 2026
21AQI (US)
5th April 2026
29AQI (US)
6th April 2026
16AQI (US)
7th April 2026
26AQI (US)
8th April 2026
34AQI (US)
9th April 2026
29AQI (US)
10th April 2026
23AQI (US)
11th April 2026
29AQI (US)
12th April 2026
31AQI (US)
13th April 2026
34AQI (US)
14th April 2026
29AQI (US)
15th April 2026
32AQI (US)
16th April 2026
32AQI (US)
17th April 2026
18th April 2026
41AQI (US)
19th April 2026
18AQI (US)
20th April 2026
13AQI (US)
21st April 2026
22AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24th April 2026
15AQI (US)
25th April 2026
19AQI (US)
26th April 2026
7AQI (US)
27th April 2026
21AQI (US)
28th April 2026
21AQI (US)
29th April 2026
20AQI (US)
30th April 2026
23AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
20AQI (US)
4th May 2026
26AQI (US)
5th May 2026
10AQI (US)
6th May 2026
11AQI (US)
7th May 2026
13AQI (US)
8th May 2026
21AQI (US)
9th May 2026
10th May 2026
17AQI (US)
11th May 2026
17AQI (US)
12th May 2026
18AQI (US)
13th May 2026
21AQI (US)
14th May 2026
12AQI (US)
15th May 2026
27AQI (US)
16th May 2026
37AQI (US)
17th May 2026
40AQI (US)
18th May 2026
35AQI (US)
19th May 2026
33AQI (US)
20th May 2026
32AQI (US)
21st May 2026
34AQI (US)
22nd May 2026
34AQI (US)
23rd May 2026
38AQI (US)
24th May 2026
51AQI (US)
25th May 2026
42AQI (US)
26th May 2026
33AQI (US)
27th May 2026
17AQI (US)
28th May 2026
16AQI (US)
29th May 2026
21AQI (US)
30th May 2026
33AQI (US)
31st May 2026
25AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
27AQI (US)
4th June 2026
22AQI (US)
5th June 2026
23AQI (US)
6th June 2026
21AQI (US)
7th June 2026
20AQI (US)
8th June 2026
28AQI (US)
9th June 2026
25AQI (US)
10th June 2026
15AQI (US)
11th June 2026
18AQI (US)
12th June 2026
18AQI (US)
13th June 2026
16AQI (US)
14th June 2026
17AQI (US)
15th June 2026
13AQI (US)
16th June 2026
24AQI (US)
17th June 2026
32AQI (US)
18th June 2026
18AQI (US)
19th June 2026
22AQI (US)
20th June 2026
58AQI (US)
21st June 2026
9AQI (US)
22nd June 2026
10AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
25AQI (US)
25th June 2026
25AQI (US)
26th June 2026
34AQI (US)
27th June 2026
27AQI (US)
28th June 2026
38AQI (US)
29th June 2026
40AQI (US)
30th June 2026
20AQI (US)
1st July 2026
24AQI (US)
2nd July 2026
19AQI (US)
3rd July 2026
17AQI (US)
4th July 2026
16AQI (US)
5th July 2026
13AQI (US)
6th July 2026
7AQI (US)
7th July 2026
13AQI (US)
8th July 2026
12AQI (US)
9th July 2026
20AQI (US)
10th July 2026
25AQI (US)
11th July 2026
26AQI (US)
12th July 2026
24AQI (US)
13th July 2026
25AQI (US)
14th July 2026
26AQI (US)
15th July 2026
26AQI (US)
16th July 2026
27AQI (US)
17th July 2026
34AQI (US)
18th July 2026
34AQI (US)
19th July 2026
18AQI (US)
20th July 2026
25AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
24AQI (US)
23rd July 2026
13AQI (US)
24th July 2026
29AQI (US)
25th July 2026
23AQI (US)
26th July 2026
23AQI (US)
27th July 2026
26AQI (US)
28th July 2026
20AQI (US)
29th July 2026
37AQI (US)
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

39AQI (US)

35AQI (US)

36AQI (US)

24AQI (US)

26AQI (US)

24AQI (US)

23AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202630AQI (US)

25
6
24
4
27
4
28
29
1
29
1
29
191
16

Highest AQI (US) recorded in

January

39AQI (US)

Lowest AQI (US) recorded in

July

23AQI (US)

202535AQI (US)

26
4
1
15
13
27
4
29
1
31
30
30
1
31
30
25
6
20
10
19
12
313
51
1

Highest AQI (US) recorded in

December

53AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202435AQI (US)

11
8
8
3
24
5
24
7
29
1
31
30
31
31
22
8
28
3
24
6
28
3
313
41
8
3

Highest AQI (US) recorded in

January

80AQI (US)

Lowest AQI (US) recorded in

July

19AQI (US)

202333AQI (US)

28
3
19
9
24
7
29
1
28
3
21
9
31
31
25
5
31
27
2
19
8
2
313
47
2

Highest AQI (US) recorded in

December

52AQI (US)

Lowest AQI (US) recorded in

October

18AQI (US)

202235AQI (US)

20
8
2
19
2
9
21
1
27
3
30
28
2
22
1
1
28
23
4
29
1
17
12
2
253
54
5

Highest AQI (US) recorded in

March

63AQI (US)

Lowest AQI (US) recorded in

August

13AQI (US)

202138AQI (US)

15
6
1
3
9
1
21
10
30
28
3
22
8
27
4
31
13
2
24
4
23
7
15
10
4
2
252
63
6
2

Highest AQI (US) recorded in

December

66AQI (US)

Lowest AQI (US) recorded in

April

21AQI (US)

202020AQI (US)

10
3
21
18
30
31
30
1
30
6
1
1
11
2
187
7
1

Highest AQI (US) recorded in

October

39AQI (US)

Lowest AQI (US) recorded in

September

11AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
38AQI (US)
Least Polluted Year Recorded
2020(Avg.)
20AQI (US)

StCroix's annual 2026 AQI (US) (30) shows an average percentage change of -3.8% (improved AQI (US)) compared to previous years: 2020 (20), 2021 (38), 2022 (35), 2023 (33), 2024 (35), 2025 (35).