Mont Royal, Quebec, Canada 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
Mont Royal, Quebec, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2024
77AQILowest AQI recorded on
9th Aug 2024
12AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 72 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Mont Royal, Quebec, Canada
AQI
Day
Night
.
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
2PM4th Aug
125AQI
Avg. Lowest Time
5AM4th Aug
59AQI
Night time
Avg. Highest Time
10PM4th Aug
76AQI
Avg. Lowest Time
3AM5th Aug
50AQI
In the last 24 hours,
Mont Royal's AQI reached its highest point of 125 at 2 PM during the Day, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mont Royal, Quebec, Canada
JulAug
06th - 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 - 04th04th - 05th05th
Day
Night
6th Jul 2025445 AMAQI
6th Jul 2025476 AMAQI
6th Jul 2025477 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025439 AMAQI
6th Jul 20254110 AMAQI
6th Jul 20254211 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025381 PMAQI
6th Jul 2025382 PMAQI
6th Jul 2025403 PMAQI
6th Jul 2025424 PMAQI
6th Jul 2025415 PMAQI
6th Jul 2025406 PMAQI
6th Jul 2025387 PMAQI
6th Jul 2025388 PMAQI
6th Jul 2025369 PMAQI
6th Jul 20253610 PMAQI
6th Jul 20253811 PMAQI
7th Jul 20253812 AMAQI
7th Jul 2025381 AMAQI
7th Jul 2025372 AMAQI
7th Jul 2025373 AMAQI
7th Jul 2025394 AMAQI
28°C21/37°C
7th Jul 2025425 AMAQI
7th Jul 2025366 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025378 AMAQI
7th Jul 2025489 AMAQI
7th Jul 20254910 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20254812 PMAQI
7th Jul 2025471 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025444 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025356 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025338 PMAQI
7th Jul 2025399 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253111 PMAQI
8th Jul 20253212 AMAQI
8th Jul 2025341 AMAQI
8th Jul 2025342 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025244 AMAQI
18°C16/23°C
8th Jul 2025245 AMAQI
8th Jul 2025236 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025278 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20253112 PMAQI
8th Jul 2025311 PMAQI
8th Jul 2025332 PMAQI
8th Jul 2025373 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025345 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025337 PMAQI
8th Jul 2025328 PMAQI
8th Jul 2025309 PMAQI
8th Jul 20252910 PMAQI
8th Jul 20253011 PMAQI
9th Jul 20253212 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025332 AMAQI
9th Jul 2025373 AMAQI
9th Jul 2025404 AMAQI
22°C16/30°C
9th Jul 2025415 AMAQI
9th Jul 2025416 AMAQI
9th Jul 2025427 AMAQI
9th Jul 2025448 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254211 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025431 PMAQI
9th Jul 2025412 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025434 PMAQI
9th Jul 2025435 PMAQI
9th Jul 2025436 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025418 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254111 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025431 AMAQI
10th Jul 2025432 AMAQI
10th Jul 2025463 AMAQI
10th Jul 2025474 AMAQI
24°C17/31°C
10th Jul 2025465 AMAQI
10th Jul 2025466 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025478 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025498 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254310 PMAQI
10th Jul 20254311 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025441 AMAQI
11th Jul 2025442 AMAQI
11th Jul 2025493 AMAQI
11th Jul 2025514 AMAQI
25°C19/30°C
11th Jul 2025485 AMAQI
11th Jul 2025476 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025479 AMAQI
11th Jul 20254810 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025481 PMAQI
11th Jul 2025472 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025505 PMAQI
11th Jul 2025516 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254610 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254612 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025482 AMAQI
12th Jul 2025523 AMAQI
12th Jul 2025544 AMAQI
26°C19/33°C
12th Jul 2025535 AMAQI
12th Jul 2025516 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20255312 PMAQI
12th Jul 2025531 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20255112 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025502 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025434 AMAQI
27°C21/35°C
13th Jul 2025415 AMAQI
13th Jul 2025406 AMAQI
13th Jul 2025397 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025414 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025419 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025451 AMAQI
14th Jul 2025432 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025374 AMAQI
26°C23/31°C
14th Jul 2025355 AMAQI
14th Jul 2025346 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025434 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20254112 AMAQI
15th Jul 2025421 AMAQI
15th Jul 2025402 AMAQI
15th Jul 2025343 AMAQI
15th Jul 2025274 AMAQI
27°C22/34°C
15th Jul 2025345 AMAQI
15th Jul 2025356 AMAQI
15th Jul 2025387 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025439 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254311 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025421 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025415 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025401 AMAQI
16th Jul 2025402 AMAQI
16th Jul 2025443 AMAQI
16th Jul 2025514 AMAQI
27°C19/34°C
16th Jul 2025515 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025501 PMAQI
16th Jul 2025512 PMAQI
16th Jul 2025513 PMAQI
16th Jul 2025494 PMAQI
16th Jul 2025495 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025498 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025574 AMAQI
29°C22/37°C
17th Jul 2025545 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025457 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20254710 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254512 PMAQI
17th Jul 2025451 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025465 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025341 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025174 AMAQI
27°C18/31°C
18th Jul 2025165 AMAQI
18th Jul 2025176 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252510 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20253012 AMAQI
19th Jul 2025291 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025303 AMAQI
19th Jul 2025334 AMAQI
21°C14/28°C
19th Jul 2025315 AMAQI
19th Jul 2025316 AMAQI
19th Jul 2025297 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025434 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025437 PMAQI
19th Jul 2025418 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025433 AMAQI
20th Jul 2025454 AMAQI
22°C15/30°C
20th Jul 2025475 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20253510 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025483 AMAQI
21st Jul 2025524 AMAQI
22°C17/29°C
21st Jul 2025445 AMAQI
21st Jul 2025346 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20252710 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025256 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025241 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025184 AMAQI
19°C15/24°C
22nd Jul 2025195 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025251 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025233 AMAQI
23rd Jul 2025254 AMAQI
19°C12/25°C
23rd Jul 2025255 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025262 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025274 AMAQI
21°C13/28°C
24th Jul 2025275 AMAQI
24th Jul 2025266 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253712 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025423 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025414 AMAQI
27°C18/35°C
25th Jul 2025345 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253310 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025376 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025423 AMAQI
26th Jul 2025484 AMAQI
27°C23/32°C
26th Jul 2025465 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025519 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255111 AMAQI
26th Jul 20255012 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025503 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025515 PMAQI
26th Jul 2025516 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025518 PMAQI
26th Jul 2025519 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025624 AMAQI
25°C16/33°C
27th Jul 2025585 AMAQI
27th Jul 2025616 AMAQI
27th Jul 2025597 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20255811 AMAQI
27th Jul 20255712 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025586 PMAQI
27th Jul 2025597 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255512 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025544 AMAQI
25°C19/32°C
28th Jul 2025555 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025597 AMAQI
28th Jul 2025608 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025611 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025578 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025591 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025593 AMAQI
29th Jul 2025594 AMAQI
28°C20/35°C
29th Jul 2025585 AMAQI
29th Jul 2025576 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255410 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025431 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025433 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025624 AMAQI
25°C21/29°C
30th Jul 2025645 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025648 AMAQI
30th Jul 2025659 AMAQI
30th Jul 20256510 AMAQI
30th Jul 20256611 AMAQI
30th Jul 20256512 PMAQI
30th Jul 2025651 PMAQI
30th Jul 2025662 PMAQI
30th Jul 2025653 PMAQI
30th Jul 2025674 PMAQI
30th Jul 2025665 PMAQI
30th Jul 2025666 PMAQI
30th Jul 2025667 PMAQI
30th Jul 2025668 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20256610 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256012 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
24°C20/30°C
31st Jul 2025685 AMAQI
31st Jul 2025656 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20255011 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025358 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254110 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025362 AMAQI
1st Aug 2025373 AMAQI
1st Aug 2025334 AMAQI
20°C16/24°C
1st Aug 2025295 AMAQI
1st Aug 2025276 AMAQI
1st Aug 2025257 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025199 AMAQI
1st Aug 20252010 AMAQI
1st Aug 20251911 AMAQI
1st Aug 20251812 PMAQI
1st Aug 2025171 PMAQI
1st Aug 2025172 PMAQI
1st Aug 2025173 PMAQI
1st Aug 2025174 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025176 PMAQI
1st Aug 2025187 PMAQI
1st Aug 2025168 PMAQI
1st Aug 2025199 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252511 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025304 AMAQI
19°C12/26°C
2nd Aug 2025325 AMAQI
2nd Aug 2025286 AMAQI
2nd Aug 2025267 AMAQI
2nd Aug 2025248 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252112 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025313 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025328 PMAQI
2nd Aug 2025319 PMAQI
2nd Aug 20253310 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025462 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025494 AMAQI
22°C13/30°C
3rd Aug 2025455 AMAQI
3rd Aug 2025476 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025409 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025711 PMAQI
3rd Aug 2025682 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025715 PMAQI
3rd Aug 2025726 PMAQI
3rd Aug 2025707 PMAQI
3rd Aug 2025728 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20256310 PMAQI
3rd Aug 20256511 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025621 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025554 AMAQI
25°C16/33°C
4th Aug 2025595 AMAQI
4th Aug 2025636 AMAQI
4th Aug 2025647 AMAQI
4th Aug 2025688 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20258011 AMAQI
4th Aug 20258912 PMAQI
4th Aug 20251041 PMAQI
4th Aug 20251252 PMAQI
4th Aug 20251173 PMAQI
4th Aug 20251084 PMAQI
4th Aug 2025985 PMAQI
4th Aug 2025986 PMAQI
4th Aug 2025947 PMAQI
4th Aug 2025868 PMAQI
4th Aug 2025749 PMAQI
4th Aug 20257610 PMAQI
4th Aug 20257311 PMAQI
5th Aug 20257212 AMAQI
5th Aug 2025641 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025503 AMAQI
23°C17/30°C
5 AM
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 43), while the lowest AQI was between 5 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
42AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
42AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 42), while the lowest AQI was between 12 AM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Mont Royal, Quebec, Canada
2025
89%
192
11%
24
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
192 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Mont Royal, Quebec, Canada
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
29AQI
29AQI
2nd January 2025
22AQI
22AQI
3rd January 2025
19AQI
19AQI
4th January 2025
20AQI
20AQI
5th January 2025
21AQI
21AQI
6th January 2025
27AQI
27AQI
7th January 2025
20AQI
20AQI
8th January 2025
19AQI
19AQI
9th January 2025
20AQI
20AQI
10th January 2025
23AQI
23AQI
11th January 2025
41AQI
41AQI
12th January 2025
32AQI
32AQI
13th January 2025
60AQI
60AQI
14th January 2025
32AQI
32AQI
15th January 2025
23AQI
23AQI
16th January 2025
33AQI
33AQI
17th January 2025
66AQI
66AQI
18th January 2025
45AQI
45AQI
19th January 2025
28AQI
28AQI
20th January 2025
28AQI
28AQI
21st January 2025
43AQI
43AQI
22nd January 2025
57AQI
57AQI
23rd January 2025
43AQI
43AQI
24th January 2025
47AQI
47AQI
25th January 2025
55AQI
55AQI
26th January 2025
40AQI
40AQI
27th January 2025
27AQI
27AQI
28th January 2025
24AQI
24AQI
29th January 2025
28AQI
28AQI
30th January 2025
24AQI
24AQI
31st January 2025
46AQI
46AQI
1st February 2025
27AQI
27AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
57AQI
57AQI
4th February 2025
28AQI
28AQI
5th February 2025
26AQI
26AQI
6th February 2025
36AQI
36AQI
7th February 2025
34AQI
34AQI
8th February 2025
25AQI
25AQI
9th February 2025
37AQI
37AQI
10th February 2025
28AQI
28AQI
11th February 2025
33AQI
33AQI
12th February 2025
30AQI
30AQI
13th February 2025
27AQI
27AQI
14th February 2025
21AQI
21AQI
15th February 2025
23AQI
23AQI
16th February 2025
23AQI
23AQI
17th February 2025
21AQI
21AQI
18th February 2025
20AQI
20AQI
19th February 2025
21AQI
21AQI
20th February 2025
28AQI
28AQI
21st February 2025
20AQI
20AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
54AQI
54AQI
24th February 2025
50AQI
50AQI
25th February 2025
61AQI
61AQI
26th February 2025
45AQI
45AQI
27th February 2025
45AQI
45AQI
28th February 2025
31AQI
31AQI
1st March 2025
27AQI
27AQI
2nd March 2025
26AQI
26AQI
3rd March 2025
46AQI
46AQI
4th March 2025
41AQI
41AQI
5th March 2025
59AQI
59AQI
6th March 2025
22AQI
22AQI
7th March 2025
22AQI
22AQI
8th March 2025
26AQI
26AQI
9th March 2025
25AQI
25AQI
10th March 2025
33AQI
33AQI
11th March 2025
47AQI
47AQI
12th March 2025
24AQI
24AQI
13th March 2025
44AQI
44AQI
14th March 2025
87AQI
87AQI
15th March 2025
63AQI
63AQI
16th March 2025
55AQI
55AQI
17th March 2025
24AQI
24AQI
18th March 2025
31AQI
31AQI
19th March 2025
36AQI
36AQI
20th March 2025
27AQI
27AQI
21st March 2025
23AQI
23AQI
22nd March 2025
24AQI
24AQI
23rd March 2025
19AQI
19AQI
24th March 2025
26AQI
26AQI
25th March 2025
28AQI
28AQI
26th March 2025
24AQI
24AQI
27th March 2025
24AQI
24AQI
28th March 2025
25AQI
25AQI
29th March 2025
20AQI
20AQI
30th March 2025
24AQI
24AQI
31st March 2025
34AQI
34AQI
1st April 2025
19AQI
19AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
21AQI
21AQI
4th April 2025
20AQI
20AQI
5th April 2025
20AQI
20AQI
6th April 2025
18AQI
18AQI
7th April 2025
20AQI
20AQI
8th April 2025
21AQI
21AQI
9th April 2025
22AQI
22AQI
10th April 2025
31AQI
31AQI
11th April 2025
34AQI
34AQI
12th April 2025
38AQI
38AQI
13th April 2025
26AQI
26AQI
14th April 2025
32AQI
32AQI
15th April 2025
30AQI
30AQI
16th April 2025
16AQI
16AQI
17th April 2025
18AQI
18AQI
18th April 2025
31AQI
31AQI
19th April 2025
47AQI
47AQI
20th April 2025
16AQI
16AQI
21st April 2025
21AQI
21AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
18AQI
18AQI
24th April 2025
24AQI
24AQI
25th April 2025
22AQI
22AQI
26th April 2025
24AQI
24AQI
27th April 2025
13AQI
13AQI
28th April 2025
28AQI
28AQI
29th April 2025
35AQI
35AQI
30th April 2025
19AQI
19AQI
1st May 2025
19AQI
19AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
17AQI
17AQI
4th May 2025
33AQI
33AQI
5th May 2025
20AQI
20AQI
6th May 2025
22AQI
22AQI
7th May 2025
19AQI
19AQI
8th May 2025
16AQI
16AQI
9th May 2025
19AQI
19AQI
10th May 2025
23AQI
23AQI
11th May 2025
16AQI
16AQI
12th May 2025
25AQI
25AQI
13th May 2025
33AQI
33AQI
14th May 2025
37AQI
37AQI
15th May 2025
30AQI
30AQI
16th May 2025
42AQI
42AQI
17th May 2025
41AQI
41AQI
18th May 2025
22AQI
22AQI
19th May 2025
15AQI
15AQI
20th May 2025
15AQI
15AQI
21st May 2025
19AQI
19AQI
22nd May 2025
16AQI
16AQI
23rd May 2025
15AQI
15AQI
24th May 2025
14AQI
14AQI
25th May 2025
16AQI
16AQI
26th May 2025
25AQI
25AQI
27th May 2025
30AQI
30AQI
28th May 2025
33AQI
33AQI
29th May 2025
35AQI
35AQI
30th May 2025
27AQI
27AQI
31st May 2025
31AQI
31AQI
1st June 2025
14AQI
14AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
30AQI
30AQI
4th June 2025
43AQI
43AQI
5th June 2025
42AQI
42AQI
6th June 2025
53AQI
53AQI
7th June 2025
58AQI
58AQI
8th June 2025
57AQI
57AQI
9th June 2025
60AQI
60AQI
10th June 2025
47AQI
47AQI
11th June 2025
52AQI
52AQI
12th June 2025
56AQI
56AQI
13th June 2025
30AQI
30AQI
14th June 2025
28AQI
28AQI
15th June 2025
31AQI
31AQI
16th June 2025
45AQI
45AQI
17th June 2025
43AQI
43AQI
18th June 2025
26AQI
26AQI
19th June 2025
40AQI
40AQI
20th June 2025
24AQI
24AQI
21st June 2025
28AQI
28AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
39AQI
39AQI
24th June 2025
50AQI
50AQI
25th June 2025
45AQI
45AQI
26th June 2025
29AQI
29AQI
27th June 2025
31AQI
31AQI
28th June 2025
29AQI
29AQI
29th June 2025
30AQI
30AQI
30th June 2025
33AQI
33AQI
1st July 2025
34AQI
34AQI
2nd July 2025
32AQI
32AQI
3rd July 2025
42AQI
42AQI
4th July 2025
29AQI
29AQI
5th July 2025
28AQI
28AQI
6th July 2025
38AQI
38AQI
7th July 2025
39AQI
39AQI
8th July 2025
31AQI
31AQI
9th July 2025
40AQI
40AQI
10th July 2025
46AQI
46AQI
11th July 2025
47AQI
47AQI
12th July 2025
52AQI
52AQI
13th July 2025
42AQI
42AQI
14th July 2025
41AQI
41AQI
15th July 2025
40AQI
40AQI
16th July 2025
48AQI
48AQI
17th July 2025
47AQI
47AQI
18th July 2025
25AQI
25AQI
19th July 2025
34AQI
34AQI
20th July 2025
39AQI
39AQI
21st July 2025
31AQI
31AQI
22nd July 2025
21AQI
21AQI
23rd July 2025
26AQI
26AQI
24th July 2025
32AQI
32AQI
25th July 2025
36AQI
36AQI
26th July 2025
48AQI
48AQI
27th July 2025
57AQI
57AQI
28th July 2025
58AQI
58AQI
29th July 2025
55AQI
55AQI
30th July 2025
64AQI
64AQI
31st July 2025
48AQI
48AQI
1st August 2025
24AQI
24AQI
2nd August 2025
33AQI
33AQI
3rd August 2025
57AQI
57AQI
4th August 2025
72AQI
72AQI
34AQI
33AQI
33AQI
24AQI
24AQI
38AQI
40AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
27
4
25
3
27
4
30
31
24
6
26
5
2
2
192
24
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May24AQI
202433AQI
28
3
22
7
27
4
30
30
1
24
5
27
4
20
11
23
7
31
30
25
5
1
317
47
1
Highest AQI recorded in
February41AQI
Lowest AQI recorded in
November25AQI
202338AQI
26
5
20
8
29
2
27
3
26
5
17
9
3
1
19
11
1
28
3
22
8
26
5
28
1
26
5
294
65
4
1
Highest AQI recorded in
June55AQI
Lowest AQI recorded in
November28AQI
202235AQI
18
13
19
2
26
5
29
1
27
4
30
20
3
1
29
25
6
28
2
27
4
279
40
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
September24AQI
202135AQI
24
6
21
7
26
5
30
27
4
22
7
1
26
5
25
6
30
30
1
26
4
27
4
314
49
1
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
September24AQI
202029AQI
12
1
21
18
29
1
30
1
31
30
30
1
23
7
27
251
11
Highest AQI recorded in
November36AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
29AQIMont Royal's annual 2025 AQI (33) shows an average percentage change of -3.2% (improved AQI) compared to previous years: 2020 (29), 2021 (35), 2022 (35), 2023 (38), 2024 (33).
