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
2021
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
39AQILowest AQI recorded on
2nd Aug 2021
5AQISame Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Square, Trondheim, Sor Trondelag, Norway
AQI
Day
Night
.
3 AM2nd Aug 2025
10 PM
2 AM3rd Aug 2025
Day time
Avg. Highest Time
4PM2nd Aug
32AQI
Avg. Lowest Time
12PM2nd Aug
21AQI
Night time
Avg. Highest Time
2AM3rd Aug
29AQI
Avg. Lowest Time
3AM2nd Aug
24AQI
In the last 24 hours,
Square's AQI reached its highest point of 32 at 4 PM during the Day, while the lowest point, 21, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Square, Trondheim, Sor Trondelag, Norway
JulAug
04th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025183 AMAQI
4th Jul 2025224 AMAQI
4th Jul 2025155 AMAQI
4th Jul 2025176 AMAQI
4th Jul 2025187 AMAQI
4th Jul 2025198 AMAQI
4th Jul 2025219 AMAQI
4th Jul 20252010 AMAQI
4th Jul 20252011 AMAQI
4th Jul 20251812 PMAQI
4th Jul 2025171 PMAQI
4th Jul 2025192 PMAQI
4th Jul 2025183 PMAQI
4th Jul 2025184 PMAQI
4th Jul 2025205 PMAQI
4th Jul 2025176 PMAQI
4th Jul 2025207 PMAQI
4th Jul 2025218 PMAQI
4th Jul 2025199 PMAQI
4th Jul 20251910 PMAQI
4th Jul 20251811 PMAQI
5th Jul 20251812 AMAQI
5th Jul 2025201 AMAQI
5th Jul 2025162 AMAQI
12°C8/16°C
5th Jul 2025163 AMAQI
5th Jul 2025164 AMAQI
5th Jul 2025185 AMAQI
5th Jul 2025186 AMAQI
5th Jul 2025187 AMAQI
5th Jul 2025188 AMAQI
5th Jul 2025219 AMAQI
5th Jul 20251610 AMAQI
5th Jul 20251811 AMAQI
5th Jul 20252012 PMAQI
5th Jul 2025231 PMAQI
5th Jul 2025222 PMAQI
5th Jul 2025183 PMAQI
5th Jul 2025184 PMAQI
5th Jul 2025175 PMAQI
5th Jul 2025186 PMAQI
5th Jul 2025187 PMAQI
5th Jul 2025178 PMAQI
5th Jul 2025179 PMAQI
5th Jul 20251910 PMAQI
5th Jul 20251811 PMAQI
6th Jul 20251812 AMAQI
6th Jul 2025211 AMAQI
6th Jul 2025192 AMAQI
13°C8/18°C
6th Jul 2025203 AMAQI
6th Jul 2025234 AMAQI
6th Jul 2025165 AMAQI
6th Jul 2025186 AMAQI
6th Jul 2025177 AMAQI
6th Jul 2025178 AMAQI
6th Jul 2025179 AMAQI
6th Jul 20251810 AMAQI
6th Jul 20251711 AMAQI
6th Jul 20251812 PMAQI
6th Jul 2025181 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025173 PMAQI
6th Jul 2025184 PMAQI
6th Jul 2025175 PMAQI
6th Jul 2025176 PMAQI
6th Jul 2025177 PMAQI
6th Jul 2025208 PMAQI
6th Jul 2025189 PMAQI
6th Jul 20251810 PMAQI
6th Jul 20251911 PMAQI
7th Jul 20252012 AMAQI
7th Jul 2025201 AMAQI
7th Jul 2025162 AMAQI
13°C11/15°C
7th Jul 2025163 AMAQI
7th Jul 2025174 AMAQI
7th Jul 2025165 AMAQI
7th Jul 2025196 AMAQI
7th Jul 2025237 AMAQI
7th Jul 2025218 AMAQI
7th Jul 2025179 AMAQI
7th Jul 20251910 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20252112 PMAQI
7th Jul 2025201 PMAQI
7th Jul 2025192 PMAQI
7th Jul 2025183 PMAQI
7th Jul 2025184 PMAQI
7th Jul 2025185 PMAQI
7th Jul 2025186 PMAQI
7th Jul 2025207 PMAQI
7th Jul 2025188 PMAQI
7th Jul 2025229 PMAQI
7th Jul 20251910 PMAQI
7th Jul 20251911 PMAQI
8th Jul 20251912 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025202 AMAQI
14°C11/17°C
8th Jul 2025243 AMAQI
8th Jul 2025204 AMAQI
8th Jul 2025195 AMAQI
8th Jul 2025206 AMAQI
8th Jul 2025217 AMAQI
8th Jul 2025218 AMAQI
8th Jul 2025229 AMAQI
8th Jul 20252210 AMAQI
8th Jul 20252211 AMAQI
8th Jul 20252012 PMAQI
8th Jul 2025201 PMAQI
8th Jul 2025202 PMAQI
8th Jul 2025223 PMAQI
8th Jul 2025204 PMAQI
8th Jul 2025225 PMAQI
8th Jul 2025216 PMAQI
8th Jul 2025227 PMAQI
8th Jul 2025238 PMAQI
8th Jul 2025209 PMAQI
8th Jul 20252410 PMAQI
8th Jul 20252211 PMAQI
9th Jul 20252212 AMAQI
9th Jul 2025221 AMAQI
9th Jul 2025202 AMAQI
13°C9/16°C
9th Jul 2025203 AMAQI
9th Jul 2025204 AMAQI
9th Jul 2025195 AMAQI
9th Jul 2025226 AMAQI
9th Jul 2025197 AMAQI
9th Jul 2025228 AMAQI
9th Jul 2025209 AMAQI
9th Jul 20252210 AMAQI
9th Jul 20252111 AMAQI
9th Jul 20252712 PMAQI
9th Jul 2025241 PMAQI
9th Jul 2025232 PMAQI
9th Jul 2025243 PMAQI
9th Jul 2025224 PMAQI
9th Jul 2025205 PMAQI
9th Jul 2025196 PMAQI
9th Jul 2025217 PMAQI
9th Jul 2025208 PMAQI
9th Jul 2025229 PMAQI
9th Jul 20252310 PMAQI
9th Jul 20252211 PMAQI
10th Jul 20252212 AMAQI
10th Jul 2025331 AMAQI
10th Jul 2025232 AMAQI
13°C9/18°C
10th Jul 2025233 AMAQI
10th Jul 2025214 AMAQI
10th Jul 2025205 AMAQI
10th Jul 2025196 AMAQI
10th Jul 2025207 AMAQI
10th Jul 2025198 AMAQI
10th Jul 2025189 AMAQI
10th Jul 20251910 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20251912 PMAQI
10th Jul 2025201 PMAQI
10th Jul 2025222 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025194 PMAQI
10th Jul 2025205 PMAQI
10th Jul 2025216 PMAQI
10th Jul 2025217 PMAQI
10th Jul 2025228 PMAQI
10th Jul 2025229 PMAQI
10th Jul 20252610 PMAQI
10th Jul 20252211 PMAQI
11th Jul 20252212 AMAQI
11th Jul 2025221 AMAQI
11th Jul 2025222 AMAQI
14°C11/19°C
11th Jul 2025223 AMAQI
11th Jul 2025204 AMAQI
11th Jul 2025215 AMAQI
11th Jul 2025216 AMAQI
11th Jul 2025167 AMAQI
11th Jul 2025208 AMAQI
11th Jul 2025219 AMAQI
11th Jul 20252310 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251712 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025223 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025225 PMAQI
11th Jul 2025216 PMAQI
11th Jul 2025217 PMAQI
11th Jul 2025198 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252210 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252312 AMAQI
12th Jul 2025221 AMAQI
12th Jul 2025212 AMAQI
16°C13/19°C
12th Jul 2025203 AMAQI
12th Jul 2025214 AMAQI
12th Jul 2025225 AMAQI
12th Jul 2025256 AMAQI
12th Jul 2025227 AMAQI
12th Jul 2025258 AMAQI
12th Jul 2025259 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252612 PMAQI
12th Jul 2025291 PMAQI
12th Jul 2025252 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025234 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025248 PMAQI
12th Jul 2025269 PMAQI
12th Jul 20252810 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025282 AMAQI
17°C12/22°C
13th Jul 2025353 AMAQI
13th Jul 2025364 AMAQI
13th Jul 2025365 AMAQI
13th Jul 2025396 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025308 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253412 PMAQI
13th Jul 2025321 PMAQI
13th Jul 2025292 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025305 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025329 PMAQI
13th Jul 20253210 PMAQI
13th Jul 20253211 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025392 AMAQI
21°C16/26°C
14th Jul 2025383 AMAQI
14th Jul 2025364 AMAQI
14th Jul 2025315 AMAQI
14th Jul 2025296 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025338 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253911 AMAQI
14th Jul 20254712 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025462 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025364 PMAQI
14th Jul 2025375 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025421 AMAQI
15th Jul 2025542 AMAQI
21°C16/26°C
15th Jul 2025593 AMAQI
15th Jul 2025584 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025579 AMAQI
15th Jul 20256010 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025571 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025513 PMAQI
15th Jul 2025524 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025516 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255510 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025502 AMAQI
22°C17/26°C
16th Jul 2025453 AMAQI
16th Jul 2025504 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255610 AMAQI
16th Jul 20255711 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025533 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025542 AMAQI
21°C16/26°C
17th Jul 2025543 AMAQI
17th Jul 2025534 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025446 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255310 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025503 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025506 PMAQI
17th Jul 2025497 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025292 AMAQI
21°C17/26°C
18th Jul 2025263 AMAQI
18th Jul 2025314 AMAQI
18th Jul 2025325 AMAQI
18th Jul 2025306 AMAQI
18th Jul 2025337 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20254210 AMAQI
18th Jul 20254911 AMAQI
18th Jul 20255112 PMAQI
18th Jul 2025501 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025435 PMAQI
18th Jul 2025446 PMAQI
18th Jul 2025437 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025482 AMAQI
18°C14/22°C
19th Jul 2025423 AMAQI
19th Jul 2025424 AMAQI
19th Jul 2025485 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025478 AMAQI
19th Jul 2025549 AMAQI
19th Jul 20255210 AMAQI
19th Jul 20255611 AMAQI
19th Jul 20255412 PMAQI
19th Jul 2025521 PMAQI
19th Jul 2025462 PMAQI
19th Jul 2025453 PMAQI
19th Jul 2025474 PMAQI
19th Jul 2025475 PMAQI
19th Jul 2025436 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254610 PMAQI
19th Jul 20254611 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025471 AMAQI
20th Jul 2025462 AMAQI
17°C14/21°C
20th Jul 2025453 AMAQI
20th Jul 2025494 AMAQI
20th Jul 2025475 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025478 AMAQI
20th Jul 2025489 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20255011 AMAQI
20th Jul 20255312 PMAQI
20th Jul 2025491 PMAQI
20th Jul 2025502 PMAQI
20th Jul 2025483 PMAQI
20th Jul 2025484 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025456 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025459 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025472 AMAQI
19°C14/25°C
21st Jul 2025473 AMAQI
21st Jul 2025404 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025469 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025436 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254512 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025402 AMAQI
21°C16/24°C
22nd Jul 2025403 AMAQI
22nd Jul 2025504 AMAQI
22nd Jul 2025475 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025498 AMAQI
22nd Jul 2025479 AMAQI
22nd Jul 20255110 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025451 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025395 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025462 AMAQI
21°C16/25°C
23rd Jul 2025503 AMAQI
23rd Jul 2025524 AMAQI
23rd Jul 2025485 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254910 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025504 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025512 AMAQI
20°C16/24°C
24th Jul 2025563 AMAQI
24th Jul 2025554 AMAQI
24th Jul 2025545 AMAQI
24th Jul 2025566 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025542 AMAQI
19°C16/23°C
25th Jul 2025433 AMAQI
25th Jul 2025474 AMAQI
25th Jul 2025395 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025417 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025342 AMAQI
15°C14/16°C
26th Jul 2025243 AMAQI
26th Jul 2025274 AMAQI
26th Jul 2025275 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253110 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025302 AMAQI
13°C12/14°C
27th Jul 2025193 AMAQI
27th Jul 2025224 AMAQI
27th Jul 2025265 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025202 AMAQI
13°C12/13°C
28th Jul 2025143 AMAQI
28th Jul 2025194 AMAQI
28th Jul 2025255 AMAQI
28th Jul 2025206 AMAQI
28th Jul 2025197 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025236 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025239 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025322 AMAQI
14°C12/16°C
29th Jul 2025503 AMAQI
29th Jul 2025224 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025216 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025208 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20251810 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025242 AMAQI
14°C12/16°C
30th Jul 2025183 AMAQI
30th Jul 2025184 AMAQI
30th Jul 2025115 AMAQI
30th Jul 2025186 AMAQI
30th Jul 2025197 AMAQI
30th Jul 2025198 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20251411 AMAQI
30th Jul 20251712 PMAQI
30th Jul 2025181 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025193 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025205 PMAQI
30th Jul 2025186 PMAQI
30th Jul 2025207 PMAQI
30th Jul 2025208 PMAQI
30th Jul 2025689 PMAQI
30th Jul 20258410 PMAQI
30th Jul 20258411 PMAQI
31st Jul 20258412 AMAQI
31st Jul 2025841 AMAQI
31st Jul 2025842 AMAQI
13°C12/14°C
31st Jul 2025843 AMAQI
31st Jul 2025334 AMAQI
31st Jul 2025235 AMAQI
31st Jul 2025336 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20252911 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025434 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254710 PMAQI
31st Jul 20254911 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025332 AMAQI
15°C12/19°C
1st Aug 2025343 AMAQI
1st Aug 2025404 AMAQI
1st Aug 2025375 AMAQI
1st Aug 2025426 AMAQI
1st Aug 2025387 AMAQI
1st Aug 2025408 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025302 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025304 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025306 PMAQI
1st Aug 2025317 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025359 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20253911 PMAQI
2nd Aug 20253812 AMAQI
2nd Aug 2025401 AMAQI
2nd Aug 2025242 AMAQI
17°C14/21°C
2nd Aug 2025243 AMAQI
2nd Aug 2025244 AMAQI
2nd Aug 2025235 AMAQI
2nd Aug 2025246 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025238 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252311 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025261 PMAQI
2nd Aug 2025272 PMAQI
2nd Aug 2025283 PMAQI
2nd Aug 2025324 PMAQI
2nd Aug 2025285 PMAQI
2nd Aug 2025266 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025268 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20253010 PMAQI
2nd Aug 20252811 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025271 AMAQI
3rd Aug 2025292 AMAQI
15°C14/17°C
3rd Aug 2025293 AMAQI
3 AM3rd Aug 2025284 AMAQI
12 PM
10 PM
12 AM
2 AM
--°C/°C
Day time
Avg. Highest Time
9 PM - 10 PM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 9 AM
32AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 10 PM (Avg. 37), while the lowest AQI was between 3 AM to 9 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 1 AM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM
34AQI
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. 37), while the lowest AQI was between 2 AM to 2 AM (Avg. 34).
2025 Days Vs Air Quality
Square, Trondheim, Sor Trondelag, Norway
2025
98%
209
2%
4
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
209 DaysModerate
4 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% 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 2025
AQI
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.
1st January 2025
47AQI
47AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
25AQI
25AQI
4th January 2025
24AQI
24AQI
5th January 2025
24AQI
24AQI
6th January 2025
30AQI
30AQI
7th January 2025
20AQI
20AQI
8th January 2025
38AQI
38AQI
9th January 2025
42AQI
42AQI
10th January 2025
29AQI
29AQI
11th January 2025
26AQI
26AQI
12th January 2025
22AQI
22AQI
13th January 2025
25AQI
25AQI
14th January 2025
24AQI
24AQI
15th January 2025
22AQI
22AQI
16th January 2025
23AQI
23AQI
17th January 2025
25AQI
25AQI
18th January 2025
29AQI
29AQI
19th January 2025
23AQI
23AQI
20th January 2025
26AQI
26AQI
21st January 2025
27AQI
27AQI
22nd January 2025
26AQI
26AQI
23rd January 2025
26AQI
26AQI
24th January 2025
27AQI
27AQI
25th January 2025
19AQI
19AQI
26th January 2025
19AQI
19AQI
27th January 2025
27AQI
27AQI
28th January 2025
28AQI
28AQI
29th January 2025
33AQI
33AQI
30th January 2025
28AQI
28AQI
31st January 2025
21AQI
21AQI
1st February 2025
28AQI
28AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
21AQI
21AQI
4th February 2025
25AQI
25AQI
5th February 2025
21AQI
21AQI
6th February 2025
23AQI
23AQI
7th February 2025
31AQI
31AQI
8th February 2025
24AQI
24AQI
9th February 2025
21AQI
21AQI
10th February 2025
24AQI
24AQI
11th February 2025
31AQI
31AQI
12th February 2025
32AQI
32AQI
13th February 2025
25AQI
25AQI
14th February 2025
23AQI
23AQI
15th February 2025
30AQI
30AQI
16th February 2025
21AQI
21AQI
17th February 2025
23AQI
23AQI
18th February 2025
25AQI
25AQI
19th February 2025
29AQI
29AQI
20th February 2025
26AQI
26AQI
21st February 2025
23AQI
23AQI
22nd February 2025
21AQI
21AQI
23rd February 2025
22AQI
22AQI
24th February 2025
20AQI
20AQI
25th February 2025
30AQI
30AQI
26th February 2025
32AQI
32AQI
27th February 2025
26AQI
26AQI
28th February 2025
22AQI
22AQI
1st March 2025
24AQI
24AQI
2nd March 2025
21AQI
21AQI
3rd March 2025
20AQI
20AQI
4th March 2025
23AQI
23AQI
5th March 2025
21AQI
21AQI
6th March 2025
28AQI
28AQI
7th March 2025
26AQI
26AQI
8th March 2025
26AQI
26AQI
9th March 2025
24AQI
24AQI
10th March 2025
26AQI
26AQI
11th March 2025
30AQI
30AQI
12th March 2025
37AQI
37AQI
13th March 2025
31AQI
31AQI
14th March 2025
21AQI
21AQI
15th March 2025
17AQI
17AQI
16th March 2025
18AQI
18AQI
17th March 2025
17AQI
17AQI
18th March 2025
19AQI
19AQI
19th March 2025
20AQI
20AQI
20th March 2025
20AQI
20AQI
21st March 2025
30AQI
30AQI
22nd March 2025
26AQI
26AQI
23rd March 2025
22AQI
22AQI
24th March 2025
27AQI
27AQI
25th March 2025
21AQI
21AQI
26th March 2025
21AQI
21AQI
27th March 2025
20AQI
20AQI
28th March 2025
22AQI
22AQI
29th March 2025
21AQI
21AQI
30th March 2025
20AQI
20AQI
31st March 2025
29AQI
29AQI
1st April 2025
19AQI
19AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
28AQI
28AQI
4th April 2025
21AQI
21AQI
5th April 2025
22AQI
22AQI
6th April 2025
19AQI
19AQI
7th April 2025
23AQI
23AQI
8th April 2025
23AQI
23AQI
9th April 2025
20AQI
20AQI
10th April 2025
16AQI
16AQI
11th April 2025
18AQI
18AQI
12th April 2025
20AQI
20AQI
13th April 2025
22AQI
22AQI
14th April 2025
26AQI
26AQI
15th April 2025
32AQI
32AQI
16th April 2025
28AQI
28AQI
17th April 2025
24AQI
24AQI
18th April 2025
20AQI
20AQI
19th April 2025
17AQI
17AQI
20th April 2025
14AQI
14AQI
21st April 2025
20AQI
20AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
21AQI
21AQI
24th April 2025
40AQI
40AQI
25th April 2025
38AQI
38AQI
26th April 2025
36AQI
36AQI
27th April 2025
35AQI
35AQI
28th April 2025
29AQI
29AQI
29th April 2025
15AQI
15AQI
30th April 2025
17AQI
17AQI
1st May 2025
17AQI
17AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
17AQI
17AQI
4th May 2025
17AQI
17AQI
5th May 2025
17AQI
17AQI
6th May 2025
21AQI
21AQI
7th May 2025
21AQI
21AQI
8th May 2025
19AQI
19AQI
9th May 2025
20AQI
20AQI
10th May 2025
19AQI
19AQI
11th May 2025
21AQI
21AQI
12th May 2025
25AQI
25AQI
13th May 2025
28AQI
28AQI
14th May 2025
21AQI
21AQI
15th May 2025
21AQI
21AQI
16th May 2025
18AQI
18AQI
17th May 2025
21AQI
21AQI
18th May 2025
20AQI
20AQI
19th May 2025
25AQI
25AQI
20th May 2025
22AQI
22AQI
21st May 2025
15AQI
15AQI
22nd May 2025
14AQI
14AQI
23rd May 2025
17AQI
17AQI
24th May 2025
16AQI
16AQI
25th May 2025
16AQI
16AQI
26th May 2025
18AQI
18AQI
27th May 2025
20AQI
20AQI
28th May 2025
18AQI
18AQI
29th May 2025
19AQI
19AQI
30th May 2025
18AQI
18AQI
31st May 2025
15AQI
15AQI
1st June 2025
20AQI
20AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
16AQI
16AQI
4th June 2025
17AQI
17AQI
5th June 2025
22AQI
22AQI
6th June 2025
18AQI
18AQI
7th June 2025
17AQI
17AQI
8th June 2025
18AQI
18AQI
9th June 2025
17AQI
17AQI
10th June 2025
18AQI
18AQI
11th June 2025
20AQI
20AQI
12th June 2025
27AQI
27AQI
13th June 2025
25AQI
25AQI
14th June 2025
27AQI
27AQI
15th June 2025
30AQI
30AQI
16th June 2025
24AQI
24AQI
17th June 2025
24AQI
24AQI
18th June 2025
21AQI
21AQI
19th June 2025
19AQI
19AQI
20th June 2025
18AQI
18AQI
21st June 2025
16AQI
16AQI
22nd June 2025
15AQI
15AQI
23rd June 2025
19AQI
19AQI
24th June 2025
20AQI
20AQI
25th June 2025
20AQI
20AQI
26th June 2025
18AQI
18AQI
27th June 2025
20AQI
20AQI
28th June 2025
21AQI
21AQI
29th June 2025
21AQI
21AQI
30th June 2025
20AQI
20AQI
1st July 2025
22AQI
22AQI
2nd July 2025
23AQI
23AQI
3rd July 2025
21AQI
21AQI
4th July 2025
19AQI
19AQI
5th July 2025
18AQI
18AQI
6th July 2025
18AQI
18AQI
7th July 2025
19AQI
19AQI
8th July 2025
21AQI
21AQI
9th July 2025
22AQI
22AQI
10th July 2025
22AQI
22AQI
11th July 2025
21AQI
21AQI
12th July 2025
24AQI
24AQI
13th July 2025
30AQI
30AQI
14th July 2025
37AQI
37AQI
15th July 2025
52AQI
52AQI
16th July 2025
53AQI
53AQI
17th July 2025
51AQI
51AQI
18th July 2025
42AQI
42AQI
19th July 2025
45AQI
45AQI
20th July 2025
47AQI
47AQI
21st July 2025
44AQI
44AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
48AQI
48AQI
24th July 2025
53AQI
53AQI
25th July 2025
41AQI
41AQI
26th July 2025
32AQI
32AQI
27th July 2025
26AQI
26AQI
28th July 2025
23AQI
23AQI
29th July 2025
26AQI
26AQI
30th July 2025
28AQI
28AQI
31st July 2025
47AQI
47AQI
1st August 2025
39AQI
39AQI
27AQI
25AQI
23AQI
24AQI
19AQI
20AQI
33AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202525AQI
31
28
31
30
31
30
27
4
1
209
4
Highest AQI recorded in
August39AQI
Lowest AQI recorded in
May19AQI
202424AQI
17
1
5
6
5
1
12
30
31
31
25
4
31
30
31
254
6
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
February19AQI
202319AQI
30
27
1
31
30
30
30
31
31
30
4
4
18
9
296
10
Highest AQI recorded in
December36AQI
Lowest AQI recorded in
January5AQI
202224AQI
29
2
15
4
1
1
3
23
17
1
15
9
108
12
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
February17AQI
202124AQI
9
13
13
31
30
31
17
1
28
5
22
31
24
6
25
6
266
26
Highest AQI recorded in
January55AQI
Lowest AQI recorded in
August9AQI
202018AQI
13
21
13
22
16
29
28
1
29
2
30
30
1
231
4
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
July12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
25AQILeast Polluted Year Recorded
2020(Avg.)
18AQISquare's annual 2025 AQI (25) shows an average percentage change of 14.9% (worsened AQI) compared to previous years: 2020 (18), 2021 (24), 2022 (24), 2023 (19), 2024 (24).
