Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Square, Trondheim, Sor Trondelag, 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+

August Air Quality Analysis

Square, Trondheim, Sor Trondelag, Norway

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
38AQI
Lowest AQI recorded on
9th Aug 2023
6AQI

Same Day Analysis (2nd August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 21 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026

Square, Trondheim, Sor Trondelag, Norway

AQI
Day
Night
.

3 AM2nd Aug 2026

10 PM

2 AM3rd Aug 2026

Day time
Avg. Highest Time
5AM2nd Aug

48AQI

Avg. Lowest Time
11AM2nd Aug

8AQI

Night time
Avg. Highest Time
3AM2nd Aug

23AQI

Avg. Lowest Time
2AM3rd Aug

17AQI

In the last 24 hours,

Square's AQI reached its highest point of 48 at 5 AM during the Day, while the lowest point, 8, was recorded at 11 AM during the Day between 2nd Aug and 3rd Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Square, Trondheim, Sor Trondelag, Norway

JulAug
05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
5th Jul 2026103 AMAQI
5th Jul 2026124 AMAQI
5th Jul 2026105 AMAQI
5th Jul 202686 AMAQI
5th Jul 202667 AMAQI
5th Jul 202648 AMAQI
5th Jul 202669 AMAQI
5th Jul 2026810 AMAQI
5th Jul 2026811 AMAQI
5th Jul 20261012 PMAQI
5th Jul 2026141 PMAQI
5th Jul 2026192 PMAQI
5th Jul 2026213 PMAQI
5th Jul 2026124 PMAQI
5th Jul 202685 PMAQI
5th Jul 2026106 PMAQI
5th Jul 2026147 PMAQI
5th Jul 2026108 PMAQI
5th Jul 202689 PMAQI
5th Jul 2026810 PMAQI
5th Jul 2026611 PMAQI
6th Jul 20261212 AMAQI
6th Jul 2026121 AMAQI
6th Jul 202692 AMAQI

10°C8/11°C

6th Jul 2026103 AMAQI
6th Jul 202664 AMAQI
6th Jul 202645 AMAQI
6th Jul 202646 AMAQI
6th Jul 202687 AMAQI
6th Jul 202668 AMAQI
6th Jul 202669 AMAQI
6th Jul 2026910 AMAQI
6th Jul 20261211 AMAQI
6th Jul 20261012 PMAQI
6th Jul 2026101 PMAQI
6th Jul 2026142 PMAQI
6th Jul 2026133 PMAQI
6th Jul 2026124 PMAQI
6th Jul 2026105 PMAQI
6th Jul 202686 PMAQI
6th Jul 202687 PMAQI
6th Jul 202688 PMAQI
6th Jul 202699 PMAQI
6th Jul 2026710 PMAQI
6th Jul 20261011 PMAQI
7th Jul 20261212 AMAQI
7th Jul 2026251 AMAQI
7th Jul 2026202 AMAQI

9°C6/12°C

7th Jul 2026223 AMAQI
7th Jul 2026204 AMAQI
7th Jul 2026205 AMAQI
7th Jul 2026206 AMAQI
7th Jul 2026207 AMAQI
7th Jul 2026188 AMAQI
7th Jul 2026109 AMAQI
7th Jul 2026810 AMAQI
7th Jul 2026811 AMAQI
7th Jul 20261812 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026243 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026196 PMAQI
7th Jul 2026127 PMAQI
7th Jul 2026108 PMAQI
7th Jul 202689 PMAQI
7th Jul 2026810 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20261212 AMAQI
8th Jul 2026181 AMAQI
8th Jul 2026242 AMAQI

9°C9/11°C

8th Jul 2026263 AMAQI
8th Jul 2026224 AMAQI
8th Jul 2026225 AMAQI
8th Jul 2026206 AMAQI
8th Jul 2026147 AMAQI
8th Jul 2026168 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262010 AMAQI
8th Jul 20261511 AMAQI
8th Jul 20261012 PMAQI
8th Jul 202641 PMAQI
8th Jul 202662 PMAQI
8th Jul 202673 PMAQI
8th Jul 202694 PMAQI
8th Jul 202685 PMAQI
8th Jul 2026106 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026188 PMAQI
8th Jul 2026349 PMAQI
8th Jul 20266510 PMAQI
8th Jul 20261711 PMAQI
9th Jul 20261712 AMAQI
9th Jul 2026171 AMAQI
9th Jul 2026122 AMAQI

10°C8/12°C

9th Jul 2026103 AMAQI
9th Jul 2026124 AMAQI
9th Jul 202685 AMAQI
9th Jul 2026146 AMAQI
9th Jul 2026217 AMAQI
9th Jul 2026168 AMAQI
9th Jul 2026109 AMAQI
9th Jul 20261710 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026411 PMAQI
9th Jul 2026422 PMAQI
9th Jul 2026193 PMAQI
9th Jul 2026194 PMAQI
9th Jul 2026225 PMAQI
9th Jul 2026236 PMAQI
9th Jul 2026177 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026199 PMAQI
9th Jul 20261910 PMAQI
9th Jul 20261211 PMAQI
10th Jul 20261912 AMAQI
10th Jul 2026211 AMAQI
10th Jul 2026202 AMAQI

11°C7/14°C

10th Jul 2026173 AMAQI
10th Jul 2026174 AMAQI
10th Jul 2026195 AMAQI
10th Jul 2026196 AMAQI
10th Jul 2026237 AMAQI
10th Jul 2026428 AMAQI
10th Jul 2026429 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20262411 AMAQI
10th Jul 20261612 PMAQI
10th Jul 2026191 PMAQI
10th Jul 2026292 PMAQI
10th Jul 2026293 PMAQI
10th Jul 2026204 PMAQI
10th Jul 2026155 PMAQI
10th Jul 2026176 PMAQI
10th Jul 2026217 PMAQI
10th Jul 202688 PMAQI
10th Jul 202679 PMAQI
10th Jul 2026710 PMAQI
10th Jul 20261011 PMAQI
11th Jul 2026812 AMAQI
11th Jul 202681 AMAQI
11th Jul 202682 AMAQI

15°C11/18°C

11th Jul 202643 AMAQI
11th Jul 202664 AMAQI
11th Jul 202665 AMAQI
11th Jul 202646 AMAQI
11th Jul 202647 AMAQI
11th Jul 202648 AMAQI
11th Jul 2026129 AMAQI
11th Jul 20261910 AMAQI
11th Jul 20261211 AMAQI
11th Jul 2026612 PMAQI
11th Jul 2026121 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026183 PMAQI
11th Jul 2026184 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026308 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262611 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026261 AMAQI
12th Jul 2026262 AMAQI

12°C9/14°C

12th Jul 2026293 AMAQI
12th Jul 2026244 AMAQI
12th Jul 2026255 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026197 AMAQI
12th Jul 2026208 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262610 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026303 PMAQI
12th Jul 2026274 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026177 PMAQI
12th Jul 2026168 PMAQI
12th Jul 2026229 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262611 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026241 AMAQI
13th Jul 2026242 AMAQI

11°C7/15°C

13th Jul 2026283 AMAQI
13th Jul 2026154 AMAQI
13th Jul 2026245 AMAQI
13th Jul 2026206 AMAQI
13th Jul 2026207 AMAQI
13th Jul 2026198 AMAQI
13th Jul 2026229 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026303 PMAQI
13th Jul 2026324 PMAQI
13th Jul 2026265 PMAQI
13th Jul 2026216 PMAQI
13th Jul 2026257 PMAQI
13th Jul 2026278 PMAQI
13th Jul 2026239 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20262712 AMAQI
14th Jul 2026261 AMAQI
14th Jul 2026282 AMAQI

12°C8/16°C

14th Jul 2026303 AMAQI
14th Jul 2026224 AMAQI
14th Jul 2026225 AMAQI
14th Jul 2026206 AMAQI
14th Jul 2026217 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026239 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20263111 AMAQI
14th Jul 20263212 PMAQI
14th Jul 2026281 PMAQI
14th Jul 2026322 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026336 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20262810 PMAQI
14th Jul 20262611 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026281 AMAQI
15th Jul 2026262 AMAQI

14°C10/17°C

15th Jul 2026433 AMAQI
15th Jul 2026564 AMAQI
15th Jul 2026575 AMAQI
15th Jul 2026566 AMAQI
15th Jul 2026557 AMAQI
15th Jul 2026548 AMAQI
15th Jul 2026569 AMAQI
15th Jul 20265710 AMAQI
15th Jul 20265311 AMAQI
15th Jul 20265112 PMAQI
15th Jul 2026481 PMAQI
15th Jul 2026462 PMAQI
15th Jul 2026263 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026235 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026277 PMAQI
15th Jul 2026288 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026282 AMAQI

15°C12/18°C

16th Jul 2026283 AMAQI
16th Jul 2026224 AMAQI
16th Jul 2026235 AMAQI
16th Jul 2026216 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026468 AMAQI
16th Jul 2026729 AMAQI
16th Jul 20267310 AMAQI
16th Jul 20267311 AMAQI
16th Jul 20267212 PMAQI
16th Jul 2026701 PMAQI
16th Jul 2026622 PMAQI
16th Jul 2026573 PMAQI
16th Jul 2026514 PMAQI
16th Jul 2026385 PMAQI
16th Jul 2026276 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026268 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026241 AMAQI
17th Jul 2026262 AMAQI

15°C11/19°C

17th Jul 2026273 AMAQI
17th Jul 2026244 AMAQI
17th Jul 2026255 AMAQI
17th Jul 2026226 AMAQI
17th Jul 2026227 AMAQI
17th Jul 2026228 AMAQI
17th Jul 2026509 AMAQI
17th Jul 20264610 AMAQI
17th Jul 20265211 AMAQI
17th Jul 20264812 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026383 PMAQI
17th Jul 2026364 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026238 PMAQI
17th Jul 2026259 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20263412 AMAQI
18th Jul 2026331 AMAQI
18th Jul 2026332 AMAQI

13°C11/14°C

18th Jul 2026313 AMAQI
18th Jul 2026234 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026148 AMAQI
18th Jul 2026199 AMAQI
18th Jul 20261610 AMAQI
18th Jul 20261611 AMAQI
18th Jul 20261912 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026275 PMAQI
18th Jul 2026256 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026368 PMAQI
18th Jul 2026449 PMAQI
18th Jul 20264610 PMAQI
18th Jul 20263411 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026172 AMAQI

11°C9/13°C

19th Jul 2026143 AMAQI
19th Jul 2026144 AMAQI
19th Jul 2026125 AMAQI
19th Jul 2026126 AMAQI
19th Jul 2026127 AMAQI
19th Jul 202688 AMAQI
19th Jul 2026149 AMAQI
19th Jul 20261610 AMAQI
19th Jul 20261211 AMAQI
19th Jul 20261212 PMAQI
19th Jul 2026221 PMAQI
19th Jul 2026332 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026125 PMAQI
19th Jul 2026146 PMAQI
19th Jul 2026187 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026212 AMAQI

11°C7/14°C

20th Jul 2026213 AMAQI
20th Jul 2026214 AMAQI
20th Jul 2026165 AMAQI
20th Jul 2026216 AMAQI
20th Jul 202687 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20263410 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026232 PMAQI
20th Jul 2026243 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026125 PMAQI
20th Jul 2026126 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026198 PMAQI
20th Jul 2026179 PMAQI
20th Jul 20261610 PMAQI
20th Jul 20262011 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026222 AMAQI

11°C7/16°C

21st Jul 2026253 AMAQI
21st Jul 2026274 AMAQI
21st Jul 2026216 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026108 AMAQI
21st Jul 2026149 AMAQI
21st Jul 20262010 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20261812 PMAQI
21st Jul 2026251 PMAQI
21st Jul 2026342 PMAQI
21st Jul 2026233 PMAQI
21st Jul 2026214 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262210 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026342 AMAQI

12°C11/14°C

22nd Jul 2026343 AMAQI
22nd Jul 2026384 AMAQI
22nd Jul 2026585 AMAQI
22nd Jul 2026586 AMAQI
22nd Jul 2026187 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262910 AMAQI
22nd Jul 20262911 AMAQI
22nd Jul 20262712 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026232 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026244 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026348 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20262712 AMAQI
23rd Jul 2026291 AMAQI
23rd Jul 2026272 AMAQI

11°C9/13°C

23rd Jul 2026193 AMAQI
23rd Jul 2026194 AMAQI
23rd Jul 2026215 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026177 AMAQI
23rd Jul 2026188 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026322 AMAQI

11°C8/15°C

24th Jul 2026383 AMAQI
24th Jul 2026294 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026166 AMAQI
24th Jul 2026147 AMAQI
24th Jul 2026288 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20262110 AMAQI
24th Jul 20263011 AMAQI
24th Jul 20263112 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026124 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026186 PMAQI
24th Jul 2026197 PMAQI
24th Jul 2026208 PMAQI
24th Jul 2026489 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026121 AMAQI
25th Jul 2026102 AMAQI

11°C10/12°C

25th Jul 2026103 AMAQI
25th Jul 2026124 AMAQI
25th Jul 2026125 AMAQI
25th Jul 2026126 AMAQI
25th Jul 2026127 AMAQI
25th Jul 2026168 AMAQI
25th Jul 202689 AMAQI
25th Jul 20261410 AMAQI
25th Jul 20261011 AMAQI
25th Jul 20261012 PMAQI
25th Jul 2026121 PMAQI
25th Jul 2026102 PMAQI
25th Jul 2026123 PMAQI
25th Jul 2026204 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026207 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026232 AMAQI

14°C11/19°C

26th Jul 2026253 AMAQI
26th Jul 2026314 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026206 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262010 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20261612 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026182 PMAQI
26th Jul 2026203 PMAQI
26th Jul 2026244 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026267 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026212 AMAQI

12°C10/14°C

27th Jul 2026233 AMAQI
27th Jul 2026254 AMAQI
27th Jul 2026295 AMAQI
27th Jul 2026146 AMAQI
27th Jul 2026197 AMAQI
27th Jul 2026188 AMAQI
27th Jul 2026209 AMAQI
27th Jul 20261810 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026202 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20261910 PMAQI
27th Jul 20261411 PMAQI
28th Jul 20262212 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026272 AMAQI

12°C9/15°C

28th Jul 2026213 AMAQI
28th Jul 2026234 AMAQI
28th Jul 2026235 AMAQI
28th Jul 2026186 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026128 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20261810 AMAQI
28th Jul 20261911 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026141 PMAQI
28th Jul 2026182 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI

11°C10/13°C

29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI
29th Jul 2026315 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026384 PMAQI
29th Jul 2026405 PMAQI
29th Jul 2026326 PMAQI
29th Jul 2026347 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20263212 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026252 AMAQI

14°C10/19°C

30th Jul 2026343 AMAQI
30th Jul 2026344 AMAQI
30th Jul 2026365 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026367 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026249 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026401 AMAQI
31st Jul 2026342 AMAQI

12°C12/13°C

31st Jul 2026423 AMAQI
31st Jul 2026404 AMAQI
31st Jul 2026385 AMAQI
31st Jul 2026366 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026308 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20261911 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026171 PMAQI
31st Jul 2026172 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026272 AMAQI

12°C11/14°C

1st Aug 2026273 AMAQI
1st Aug 2026254 AMAQI
1st Aug 2026365 AMAQI
1st Aug 2026186 AMAQI
1st Aug 2026107 AMAQI
1st Aug 2026108 AMAQI
1st Aug 2026109 AMAQI
1st Aug 20261210 AMAQI
1st Aug 20261611 AMAQI
1st Aug 20261612 PMAQI
1st Aug 2026181 PMAQI
1st Aug 2026232 PMAQI
1st Aug 2026233 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026255 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026219 PMAQI
1st Aug 20262910 PMAQI
1st Aug 20263411 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026252 AMAQI

11°C9/15°C

2nd Aug 2026233 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026485 AMAQI
2nd Aug 2026436 AMAQI
2nd Aug 2026147 AMAQI
2nd Aug 2026148 AMAQI
2nd Aug 2026109 AMAQI
2nd Aug 2026810 AMAQI
2nd Aug 2026811 AMAQI
2nd Aug 20261812 PMAQI
2nd Aug 2026141 PMAQI
2nd Aug 2026272 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026176 PMAQI
2nd Aug 2026107 PMAQI
2nd Aug 2026178 PMAQI
2nd Aug 2026179 PMAQI
2nd Aug 20261410 PMAQI
2nd Aug 20261711 PMAQI
3rd Aug 20261812 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026172 AMAQI

11°C9/13°C

3rd Aug 2026103 AMAQI
3 AM
3rd Aug 202684 AMAQI
3rd Aug 2026105 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026507 AMAQI
3rd Aug 2026448 AMAQI
3rd Aug 2026279 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262712 PMAQI
12 PM
3rd Aug 2026191 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026333 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026149 PMAQI
3rd Aug 20262710 PMAQI
10 PM
3rd Aug 20262511 PMAQI
12 AM
2 AM

11°C9/13°C

Day time
Avg. Highest Time
2 PM

26AQI

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

21AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 26), while the lowest AQI was between 7 AM to 7 AM (Avg. 21).
Night time
Avg. Highest Time
12 AM - 1 AM

24AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 24), while the lowest AQI was between 2 AM to 2 AM (Avg. 23).

2026 Days Vs Air Quality

Square, Trondheim, Sor Trondelag, Norway

2026

95%

200

5%

11

Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)

Good
200 Days
Moderate
11 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 215 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

Square, Trondheim, Sor Trondelag, 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
21AQI (US)
2nd January 2026
24AQI (US)
3rd January 2026
44AQI (US)
4th January 2026
63AQI (US)
5th January 2026
72AQI (US)
6th January 2026
63AQI (US)
7th January 2026
57AQI (US)
8th January 2026
20AQI (US)
9th January 2026
22AQI (US)
10th January 2026
30AQI (US)
11th January 2026
51AQI (US)
12th January 2026
27AQI (US)
13th January 2026
12AQI (US)
14th January 2026
19AQI (US)
15th January 2026
43AQI (US)
16th January 2026
14AQI (US)
17th January 2026
22AQI (US)
18th January 2026
48AQI (US)
19th January 2026
62AQI (US)
20th January 2026
53AQI (US)
21st January 2026
40AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
17AQI (US)
24th January 2026
40AQI (US)
25th January 2026
40AQI (US)
26th January 2026
36AQI (US)
27th January 2026
44AQI (US)
28th January 2026
41AQI (US)
29th January 2026
51AQI (US)
30th January 2026
39AQI (US)
31st January 2026
15AQI (US)
1st February 2026
26AQI (US)
2nd February 2026
30AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
38AQI (US)
5th February 2026
49AQI (US)
6th February 2026
57AQI (US)
7th February 2026
64AQI (US)
8th February 2026
30AQI (US)
9th February 2026
18AQI (US)
10th February 2026
28AQI (US)
11th February 2026
39AQI (US)
12th February 2026
32AQI (US)
13th February 2026
26AQI (US)
14th February 2026
18AQI (US)
15th February 2026
35AQI (US)
16th February 2026
34AQI (US)
17th February 2026
30AQI (US)
18th February 2026
30AQI (US)
19th February 2026
31AQI (US)
20th February 2026
52AQI (US)
21st February 2026
25AQI (US)
22nd February 2026
25AQI (US)
23rd February 2026
35AQI (US)
24th February 2026
23AQI (US)
25th February 2026
18AQI (US)
26th February 2026
37AQI (US)
27th February 2026
36AQI (US)
28th February 2026
15AQI (US)
1st March 2026
27AQI (US)
2nd March 2026
22AQI (US)
3rd March 2026
26AQI (US)
4th March 2026
27AQI (US)
5th March 2026
34AQI (US)
6th March 2026
44AQI (US)
7th March 2026
44AQI (US)
8th March 2026
46AQI (US)
9th March 2026
42AQI (US)
10th March 2026
43AQI (US)
11th March 2026
24AQI (US)
12th March 2026
13AQI (US)
13th March 2026
28AQI (US)
14th March 2026
28AQI (US)
15th March 2026
28AQI (US)
16th March 2026
18AQI (US)
17th March 2026
18AQI (US)
18th March 2026
25AQI (US)
19th March 2026
30AQI (US)
20th March 2026
49AQI (US)
21st March 2026
25AQI (US)
22nd March 2026
20AQI (US)
23rd March 2026
28AQI (US)
24th March 2026
39AQI (US)
25th March 2026
34AQI (US)
26th March 2026
17AQI (US)
27th March 2026
22AQI (US)
28th March 2026
23AQI (US)
29th March 2026
25AQI (US)
30th March 2026
31AQI (US)
31st March 2026
25AQI (US)
1st April 2026
26AQI (US)
2nd April 2026
20AQI (US)
3rd April 2026
12AQI (US)
4th April 2026
17AQI (US)
5th April 2026
18AQI (US)
6th April 2026
12AQI (US)
7th April 2026
26AQI (US)
8th April 2026
35AQI (US)
9th April 2026
27AQI (US)
10th April 2026
23AQI (US)
11th April 2026
29AQI (US)
12th April 2026
26AQI (US)
13th April 2026
28AQI (US)
14th April 2026
24AQI (US)
15th April 2026
27AQI (US)
16th April 2026
37AQI (US)
17th April 2026
18th April 2026
25AQI (US)
19th April 2026
20AQI (US)
20th April 2026
18AQI (US)
21st April 2026
22AQI (US)
22nd April 2026
23rd April 2026
9AQI (US)
24th April 2026
14AQI (US)
25th April 2026
17AQI (US)
26th April 2026
8AQI (US)
27th April 2026
22AQI (US)
28th April 2026
27AQI (US)
29th April 2026
21AQI (US)
30th April 2026
26AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
13AQI (US)
4th May 2026
19AQI (US)
5th May 2026
20AQI (US)
6th May 2026
25AQI (US)
7th May 2026
23AQI (US)
8th May 2026
21AQI (US)
9th May 2026
10th May 2026
14AQI (US)
11th May 2026
24AQI (US)
12th May 2026
28AQI (US)
13th May 2026
32AQI (US)
14th May 2026
13AQI (US)
15th May 2026
19AQI (US)
16th May 2026
36AQI (US)
17th May 2026
40AQI (US)
18th May 2026
35AQI (US)
19th May 2026
34AQI (US)
20th May 2026
32AQI (US)
21st May 2026
34AQI (US)
22nd May 2026
33AQI (US)
23rd May 2026
39AQI (US)
24th May 2026
50AQI (US)
25th May 2026
40AQI (US)
26th May 2026
29AQI (US)
27th May 2026
10AQI (US)
28th May 2026
15AQI (US)
29th May 2026
22AQI (US)
30th May 2026
19AQI (US)
31st May 2026
22AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
20AQI (US)
5th June 2026
14AQI (US)
6th June 2026
21AQI (US)
7th June 2026
17AQI (US)
8th June 2026
21AQI (US)
9th June 2026
18AQI (US)
10th June 2026
9AQI (US)
11th June 2026
16AQI (US)
12th June 2026
19AQI (US)
13th June 2026
12AQI (US)
14th June 2026
20AQI (US)
15th June 2026
20AQI (US)
16th June 2026
22AQI (US)
17th June 2026
22AQI (US)
18th June 2026
21AQI (US)
19th June 2026
20AQI (US)
20th June 2026
17AQI (US)
21st June 2026
11AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
18AQI (US)
25th June 2026
16AQI (US)
26th June 2026
20AQI (US)
27th June 2026
23AQI (US)
28th June 2026
22AQI (US)
29th June 2026
21AQI (US)
30th June 2026
19AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
29AQI (US)
4th July 2026
12AQI (US)
5th July 2026
11AQI (US)
6th July 2026
9AQI (US)
7th July 2026
18AQI (US)
8th July 2026
18AQI (US)
9th July 2026
19AQI (US)
10th July 2026
21AQI (US)
11th July 2026
15AQI (US)
12th July 2026
25AQI (US)
13th July 2026
25AQI (US)
14th July 2026
27AQI (US)
15th July 2026
39AQI (US)
16th July 2026
40AQI (US)
17th July 2026
33AQI (US)
18th July 2026
27AQI (US)
19th July 2026
18AQI (US)
20th July 2026
21AQI (US)
21st July 2026
24AQI (US)
22nd July 2026
30AQI (US)
23rd July 2026
23AQI (US)
24th July 2026
26AQI (US)
25th July 2026
17AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
24AQI (US)
29th July 2026
29AQI (US)
30th July 2026
31AQI (US)
31st July 2026
28AQI (US)
1st August 2026
22AQI (US)
2nd August 2026
21AQI (US)
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

37AQI (US)

33AQI (US)

29AQI (US)

22AQI (US)

26AQI (US)

19AQI (US)

24AQI (US)

22AQI (US)

No. of days

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

202627AQI (US)

23
8
25
3
31
28
30
30
31
2
200
11

Highest AQI (US) recorded in

January

37AQI (US)

Lowest AQI (US) recorded in

June

19AQI (US)

202527AQI (US)

31
28
31
30
31
30
27
4
31
30
30
1
28
2
26
5
353
12

Highest AQI (US) recorded in

December

39AQI (US)

Lowest AQI (US) recorded in

September

19AQI (US)

202424AQI (US)

17
1
5
6
5
1
12
30
31
31
25
4
31
30
31
254
6

Highest AQI (US) recorded in

April

39AQI (US)

Lowest AQI (US) recorded in

August

19AQI (US)

202319AQI (US)

29
27
1
31
30
30
30
31
31
30
4
4
18
9
295
10

Highest AQI (US) recorded in

December

36AQI (US)

Lowest AQI (US) recorded in

January

5AQI (US)

202224AQI (US)

28
2
15
4
1
1
3
23
17
1
15
9
107
12

Highest AQI (US) recorded in

December

33AQI (US)

Lowest AQI (US) recorded in

February

17AQI (US)

202124AQI (US)

9
12
13
31
30
31
17
1
28
5
22
31
24
6
25
6
266
25

Highest AQI (US) recorded in

January

54AQI (US)

Lowest AQI (US) recorded in

August

9AQI (US)

202018AQI (US)

13
21
13
22
16
29
28
1
29
2
30
30
1
231
4

Highest AQI (US) recorded in

December

24AQI (US)

Lowest AQI (US) recorded in

October

12AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
27AQI (US)
Least Polluted Year Recorded
2020(Avg.)
18AQI (US)

Square's annual 2026 AQI (US) (27) shows an average percentage change of 21.6% (worsened AQI (US)) compared to previous years: 2020 (18), 2021 (24), 2022 (24), 2023 (19), 2024 (24), 2025 (27).