Laval, 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
Laval, Quebec, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
75AQILowest AQI recorded on
9th Aug 2024
11AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Laval, Quebec, Canada
AQI
Day
Night
.
5 AM1st Aug 2025
8 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
5AM1st Aug
25AQI
Avg. Lowest Time
6PM1st Aug
17AQI
Night time
Avg. Highest Time
4AM2nd Aug
26AQI
Avg. Lowest Time
9PM1st Aug
19AQI
In the last 24 hours,
Laval's AQI reached its highest point of 26 at 4 AM during the Night, while the lowest point, 17, was recorded at 6 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Laval, Quebec, Canada
JulAug
03rd - 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 - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025245 AMAQI
3rd Jul 2025416 AMAQI
3rd Jul 2025417 AMAQI
3rd Jul 2025398 AMAQI
3rd Jul 2025379 AMAQI
3rd Jul 20253710 AMAQI
3rd Jul 20253811 AMAQI
3rd Jul 20253912 PMAQI
3rd Jul 2025381 PMAQI
3rd Jul 2025412 PMAQI
3rd Jul 2025393 PMAQI
3rd Jul 2025374 PMAQI
3rd Jul 2025345 PMAQI
3rd Jul 2025356 PMAQI
3rd Jul 2025347 PMAQI
3rd Jul 2025358 PMAQI
3rd Jul 2025349 PMAQI
3rd Jul 20253410 PMAQI
3rd Jul 20253211 PMAQI
4th Jul 20253112 AMAQI
4th Jul 2025301 AMAQI
4th Jul 2025272 AMAQI
4th Jul 2025203 AMAQI
4th Jul 2025184 AMAQI
--°C/°C
4th Jul 2025185 AMAQI
4th Jul 2025196 AMAQI
4th Jul 2025197 AMAQI
4th Jul 2025188 AMAQI
4th Jul 2025219 AMAQI
4th Jul 20252110 AMAQI
4th Jul 20252011 AMAQI
4th Jul 20251912 PMAQI
4th Jul 2025191 PMAQI
4th Jul 2025202 PMAQI
4th Jul 2025203 PMAQI
4th Jul 2025204 PMAQI
4th Jul 2025205 PMAQI
4th Jul 2025206 PMAQI
4th Jul 2025207 PMAQI
4th Jul 2025208 PMAQI
4th Jul 2025219 PMAQI
4th Jul 20252110 PMAQI
4th Jul 20252111 PMAQI
5th Jul 20252312 AMAQI
5th Jul 2025241 AMAQI
5th Jul 2025232 AMAQI
5th Jul 2025223 AMAQI
5th Jul 2025234 AMAQI
20°C12/26°C
5th Jul 2025235 AMAQI
5th Jul 2025256 AMAQI
5th Jul 2025267 AMAQI
5th Jul 2025258 AMAQI
5th Jul 2025259 AMAQI
5th Jul 20252510 AMAQI
5th Jul 20252611 AMAQI
5th Jul 20252512 PMAQI
5th Jul 2025231 PMAQI
5th Jul 2025232 PMAQI
5th Jul 2025243 PMAQI
5th Jul 2025244 PMAQI
5th Jul 2025245 PMAQI
5th Jul 2025246 PMAQI
5th Jul 2025247 PMAQI
5th Jul 2025248 PMAQI
5th Jul 2025249 PMAQI
5th Jul 20252410 PMAQI
5th Jul 20252311 PMAQI
6th Jul 20252512 AMAQI
6th Jul 2025261 AMAQI
6th Jul 2025282 AMAQI
6th Jul 2025313 AMAQI
6th Jul 2025334 AMAQI
22°C15/29°C
6th Jul 2025345 AMAQI
6th Jul 2025376 AMAQI
6th Jul 2025387 AMAQI
6th Jul 2025388 AMAQI
6th Jul 2025369 AMAQI
6th Jul 20253610 AMAQI
6th Jul 20253511 AMAQI
6th Jul 20253512 PMAQI
6th Jul 2025341 PMAQI
6th Jul 2025362 PMAQI
6th Jul 2025373 PMAQI
6th Jul 2025384 PMAQI
6th Jul 2025355 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025357 PMAQI
6th Jul 2025348 PMAQI
6th Jul 2025349 PMAQI
6th Jul 20253410 PMAQI
6th Jul 20253411 PMAQI
7th Jul 20253412 AMAQI
7th Jul 2025351 AMAQI
7th Jul 2025332 AMAQI
7th Jul 2025333 AMAQI
7th Jul 2025354 AMAQI
28°C21/37°C
7th Jul 2025385 AMAQI
7th Jul 2025306 AMAQI
7th Jul 2025297 AMAQI
7th Jul 2025338 AMAQI
7th Jul 2025399 AMAQI
7th Jul 20254010 AMAQI
7th Jul 20254111 AMAQI
7th Jul 20254212 PMAQI
7th Jul 2025401 PMAQI
7th Jul 2025402 PMAQI
7th Jul 2025383 PMAQI
7th Jul 2025344 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025297 PMAQI
7th Jul 2025298 PMAQI
7th Jul 2025339 PMAQI
7th Jul 20253310 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20252812 AMAQI
8th Jul 2025301 AMAQI
8th Jul 2025282 AMAQI
8th Jul 2025223 AMAQI
8th Jul 2025214 AMAQI
18°C15/21°C
8th Jul 2025225 AMAQI
8th Jul 2025216 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025248 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252611 AMAQI
8th Jul 20252712 PMAQI
8th Jul 2025281 PMAQI
8th Jul 2025282 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025304 PMAQI
8th Jul 2025295 PMAQI
8th Jul 2025286 PMAQI
8th Jul 2025287 PMAQI
8th Jul 2025278 PMAQI
8th Jul 2025269 PMAQI
8th Jul 20252610 PMAQI
8th Jul 20252611 PMAQI
9th Jul 20252812 AMAQI
9th Jul 2025281 AMAQI
9th Jul 2025282 AMAQI
9th Jul 2025313 AMAQI
9th Jul 2025334 AMAQI
22°C16/30°C
9th Jul 2025345 AMAQI
9th Jul 2025356 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025388 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20253811 AMAQI
9th Jul 20253612 PMAQI
9th Jul 2025351 PMAQI
9th Jul 2025342 PMAQI
9th Jul 2025353 PMAQI
9th Jul 2025364 PMAQI
9th Jul 2025355 PMAQI
9th Jul 2025346 PMAQI
9th Jul 2025327 PMAQI
9th Jul 2025328 PMAQI
9th Jul 2025349 PMAQI
9th Jul 20253310 PMAQI
9th Jul 20253311 PMAQI
10th Jul 20253312 AMAQI
10th Jul 2025341 AMAQI
10th Jul 2025352 AMAQI
10th Jul 2025393 AMAQI
10th Jul 2025384 AMAQI
24°C16/31°C
10th Jul 2025395 AMAQI
10th Jul 2025416 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254211 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025402 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025405 PMAQI
10th Jul 2025406 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025399 PMAQI
10th Jul 20253710 PMAQI
10th Jul 20253611 PMAQI
11th Jul 20253612 AMAQI
11th Jul 2025381 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025413 AMAQI
11th Jul 2025424 AMAQI
24°C18/30°C
11th Jul 2025415 AMAQI
11th Jul 2025416 AMAQI
11th Jul 2025397 AMAQI
11th Jul 2025418 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025434 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20254010 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20254012 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025402 AMAQI
12th Jul 2025433 AMAQI
12th Jul 2025454 AMAQI
25°C19/32°C
12th Jul 2025445 AMAQI
12th Jul 2025436 AMAQI
12th Jul 2025437 AMAQI
12th Jul 2025438 AMAQI
12th Jul 2025449 AMAQI
12th Jul 20254310 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025421 AMAQI
13th Jul 2025432 AMAQI
13th Jul 2025403 AMAQI
13th Jul 2025384 AMAQI
27°C20/34°C
13th Jul 2025365 AMAQI
13th Jul 2025376 AMAQI
13th Jul 2025357 AMAQI
13th Jul 2025368 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025375 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253411 PMAQI
14th Jul 20253512 AMAQI
14th Jul 2025361 AMAQI
14th Jul 2025352 AMAQI
14th Jul 2025313 AMAQI
14th Jul 2025324 AMAQI
26°C23/31°C
14th Jul 2025305 AMAQI
14th Jul 2025306 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025318 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20253811 AMAQI
14th Jul 20254312 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025412 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025364 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025369 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253512 AMAQI
15th Jul 2025351 AMAQI
15th Jul 2025352 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025284 AMAQI
26°C22/31°C
15th Jul 2025305 AMAQI
15th Jul 2025296 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025338 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253710 AMAQI
15th Jul 20253511 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025359 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253411 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025351 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025423 AMAQI
16th Jul 2025464 AMAQI
26°C19/31°C
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254910 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025471 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025443 AMAQI
17th Jul 2025434 AMAQI
29°C21/35°C
17th Jul 2025395 AMAQI
17th Jul 2025346 AMAQI
17th Jul 2025337 AMAQI
17th Jul 2025328 AMAQI
17th Jul 2025359 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253711 AMAQI
17th Jul 20253912 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025173 AMAQI
18th Jul 2025174 AMAQI
26°C18/31°C
18th Jul 2025165 AMAQI
18th Jul 2025176 AMAQI
18th Jul 2025177 AMAQI
18th Jul 2025178 AMAQI
18th Jul 2025189 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025274 AMAQI
20°C14/28°C
19th Jul 2025265 AMAQI
19th Jul 2025256 AMAQI
19th Jul 2025237 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025321 AMAQI
20th Jul 2025322 AMAQI
20th Jul 2025343 AMAQI
20th Jul 2025344 AMAQI
22°C15/30°C
20th Jul 2025355 AMAQI
20th Jul 2025346 AMAQI
20th Jul 2025327 AMAQI
20th Jul 2025318 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025311 AMAQI
21st Jul 2025312 AMAQI
21st Jul 2025363 AMAQI
21st Jul 2025424 AMAQI
21°C17/29°C
21st Jul 2025355 AMAQI
21st Jul 2025296 AMAQI
21st Jul 2025247 AMAQI
21st Jul 2025238 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025211 PMAQI
21st Jul 2025212 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252210 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025174 AMAQI
19°C15/23°C
22nd Jul 2025175 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025192 AMAQI
23rd Jul 2025193 AMAQI
23rd Jul 2025204 AMAQI
19°C12/24°C
23rd Jul 2025205 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025194 PMAQI
23rd Jul 2025195 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025232 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025264 AMAQI
21°C13/27°C
24th Jul 2025255 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025257 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253911 AMAQI
24th Jul 20254412 PMAQI
24th Jul 2025451 PMAQI
24th Jul 2025432 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025414 AMAQI
27°C18/35°C
25th Jul 2025395 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253711 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025524 AMAQI
26°C23/32°C
26th Jul 2025515 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025617 AMAQI
26th Jul 2025598 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20254812 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025474 PMAQI
26th Jul 2025485 PMAQI
26th Jul 2025476 PMAQI
26th Jul 2025477 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025499 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025403 AMAQI
27th Jul 2025474 AMAQI
25°C16/33°C
27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025477 AMAQI
27th Jul 2025468 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254512 PMAQI
27th Jul 2025461 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025473 PMAQI
27th Jul 2025474 PMAQI
27th Jul 2025475 PMAQI
27th Jul 2025486 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025483 AMAQI
28th Jul 2025484 AMAQI
25°C19/32°C
28th Jul 2025505 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025495 PMAQI
28th Jul 2025486 PMAQI
28th Jul 2025497 PMAQI
28th Jul 2025488 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20255011 PMAQI
29th Jul 20255012 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025474 AMAQI
27°C20/33°C
29th Jul 2025475 AMAQI
29th Jul 2025476 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025469 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20253712 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025481 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025503 AMAQI
30th Jul 2025474 AMAQI
25°C21/29°C
30th Jul 2025505 AMAQI
30th Jul 2025496 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025519 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025471 AMAQI
31st Jul 2025462 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025474 AMAQI
24°C20/30°C
31st Jul 2025535 AMAQI
31st Jul 2025516 AMAQI
31st Jul 2025457 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20253910 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025311 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025314 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025297 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025274 AMAQI
20°C15/24°C
1st Aug 2025255 AMAQI
1st Aug 2025236 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025198 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252010 AMAQI
1st Aug 20252111 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025181 PMAQI
1st Aug 2025182 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025184 PMAQI
1st Aug 2025185 PMAQI
1st Aug 2025176 PMAQI
1st Aug 2025197 PMAQI
1st Aug 2025188 PMAQI
1st Aug 2025199 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252111 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025242 AMAQI
2nd Aug 2025253 AMAQI
2nd Aug 2025264 AMAQI
19°C11/26°C
2nd Aug 2025245 AMAQI
5 AM2nd Aug 2025246 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025228 AMAQI
2nd Aug 2025219 AMAQI
2nd Aug 20252110 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252012 PMAQI
12 PM2nd Aug 2025211 PMAQI
2nd Aug 2025242 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025344 PMAQI
2nd Aug 2025455 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025417 PMAQI
2nd Aug 2025288 PMAQI
8 PM2nd Aug 2025269 PMAQI
2nd Aug 20252110 PMAQI
2nd Aug 20252111 PMAQI
12 AM
4 AM
21°C13/30°C
Day time
Avg. Highest Time
5 AM - 8 PM
34AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
34AQI
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. 34), while the lowest AQI was between 5 AM to 8 PM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 11 PM
34AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
34AQI
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. 34), while the lowest AQI was between 12 AM to 11 PM (Avg. 34).
2025 Days Vs Air Quality
Laval, Quebec, Canada
2025
91%
193
9%
20
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
193 DaysModerate
20 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% 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
Laval, 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
28AQI
28AQI
2nd January 2025
20AQI
20AQI
3rd January 2025
19AQI
19AQI
4th January 2025
20AQI
20AQI
5th January 2025
21AQI
21AQI
6th January 2025
25AQI
25AQI
7th January 2025
20AQI
20AQI
8th January 2025
19AQI
19AQI
9th January 2025
19AQI
19AQI
10th January 2025
21AQI
21AQI
11th January 2025
36AQI
36AQI
12th January 2025
31AQI
31AQI
13th January 2025
58AQI
58AQI
14th January 2025
31AQI
31AQI
15th January 2025
20AQI
20AQI
16th January 2025
32AQI
32AQI
17th January 2025
65AQI
65AQI
18th January 2025
43AQI
43AQI
19th January 2025
23AQI
23AQI
20th January 2025
23AQI
23AQI
21st January 2025
39AQI
39AQI
22nd January 2025
64AQI
64AQI
23rd January 2025
42AQI
42AQI
24th January 2025
44AQI
44AQI
25th January 2025
55AQI
55AQI
26th January 2025
36AQI
36AQI
27th January 2025
24AQI
24AQI
28th January 2025
22AQI
22AQI
29th January 2025
25AQI
25AQI
30th January 2025
23AQI
23AQI
31st January 2025
46AQI
46AQI
1st February 2025
24AQI
24AQI
2nd February 2025
40AQI
40AQI
3rd February 2025
56AQI
56AQI
4th February 2025
28AQI
28AQI
5th February 2025
25AQI
25AQI
6th February 2025
36AQI
36AQI
7th February 2025
34AQI
34AQI
8th February 2025
25AQI
25AQI
9th February 2025
35AQI
35AQI
10th February 2025
24AQI
24AQI
11th February 2025
29AQI
29AQI
12th February 2025
29AQI
29AQI
13th February 2025
25AQI
25AQI
14th February 2025
21AQI
21AQI
15th February 2025
22AQI
22AQI
16th February 2025
22AQI
22AQI
17th February 2025
21AQI
21AQI
18th February 2025
20AQI
20AQI
19th February 2025
19AQI
19AQI
20th February 2025
25AQI
25AQI
21st February 2025
20AQI
20AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
51AQI
51AQI
24th February 2025
49AQI
49AQI
25th February 2025
56AQI
56AQI
26th February 2025
41AQI
41AQI
27th February 2025
41AQI
41AQI
28th February 2025
26AQI
26AQI
1st March 2025
23AQI
23AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
41AQI
41AQI
4th March 2025
38AQI
38AQI
5th March 2025
57AQI
57AQI
6th March 2025
19AQI
19AQI
7th March 2025
22AQI
22AQI
8th March 2025
25AQI
25AQI
9th March 2025
24AQI
24AQI
10th March 2025
27AQI
27AQI
11th March 2025
47AQI
47AQI
12th March 2025
22AQI
22AQI
13th March 2025
43AQI
43AQI
14th March 2025
78AQI
78AQI
15th March 2025
58AQI
58AQI
16th March 2025
45AQI
45AQI
17th March 2025
20AQI
20AQI
18th March 2025
27AQI
27AQI
19th March 2025
35AQI
35AQI
20th March 2025
26AQI
26AQI
21st March 2025
18AQI
18AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
17AQI
17AQI
24th March 2025
25AQI
25AQI
25th March 2025
26AQI
26AQI
26th March 2025
20AQI
20AQI
27th March 2025
19AQI
19AQI
28th March 2025
20AQI
20AQI
29th March 2025
19AQI
19AQI
30th March 2025
23AQI
23AQI
31st March 2025
31AQI
31AQI
1st April 2025
17AQI
17AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
20AQI
20AQI
4th April 2025
20AQI
20AQI
5th April 2025
21AQI
21AQI
6th April 2025
20AQI
20AQI
7th April 2025
21AQI
21AQI
8th April 2025
21AQI
21AQI
9th April 2025
17AQI
17AQI
10th April 2025
23AQI
23AQI
11th April 2025
32AQI
32AQI
12th April 2025
37AQI
37AQI
13th April 2025
24AQI
24AQI
14th April 2025
31AQI
31AQI
15th April 2025
26AQI
26AQI
16th April 2025
15AQI
15AQI
17th April 2025
15AQI
15AQI
18th April 2025
27AQI
27AQI
19th April 2025
47AQI
47AQI
20th April 2025
15AQI
15AQI
21st April 2025
19AQI
19AQI
22nd April 2025
19AQI
19AQI
23rd April 2025
13AQI
13AQI
24th April 2025
21AQI
21AQI
25th April 2025
22AQI
22AQI
26th April 2025
21AQI
21AQI
27th April 2025
12AQI
12AQI
28th April 2025
20AQI
20AQI
29th April 2025
30AQI
30AQI
30th April 2025
16AQI
16AQI
1st May 2025
17AQI
17AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
15AQI
15AQI
4th May 2025
29AQI
29AQI
5th May 2025
20AQI
20AQI
6th May 2025
20AQI
20AQI
7th May 2025
17AQI
17AQI
8th May 2025
15AQI
15AQI
9th May 2025
18AQI
18AQI
10th May 2025
20AQI
20AQI
11th May 2025
15AQI
15AQI
12th May 2025
20AQI
20AQI
13th May 2025
29AQI
29AQI
14th May 2025
37AQI
37AQI
15th May 2025
26AQI
26AQI
16th May 2025
37AQI
37AQI
17th May 2025
39AQI
39AQI
18th May 2025
19AQI
19AQI
19th May 2025
12AQI
12AQI
20th May 2025
13AQI
13AQI
21st May 2025
18AQI
18AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
15AQI
15AQI
24th May 2025
13AQI
13AQI
25th May 2025
16AQI
16AQI
26th May 2025
21AQI
21AQI
27th May 2025
24AQI
24AQI
28th May 2025
30AQI
30AQI
29th May 2025
30AQI
30AQI
30th May 2025
24AQI
24AQI
31st May 2025
27AQI
27AQI
1st June 2025
12AQI
12AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
24AQI
24AQI
4th June 2025
42AQI
42AQI
5th June 2025
41AQI
41AQI
6th June 2025
53AQI
53AQI
7th June 2025
58AQI
58AQI
8th June 2025
57AQI
57AQI
9th June 2025
59AQI
59AQI
10th June 2025
44AQI
44AQI
11th June 2025
49AQI
49AQI
12th June 2025
54AQI
54AQI
13th June 2025
27AQI
27AQI
14th June 2025
24AQI
24AQI
15th June 2025
29AQI
29AQI
16th June 2025
42AQI
42AQI
17th June 2025
43AQI
43AQI
18th June 2025
25AQI
25AQI
19th June 2025
39AQI
39AQI
20th June 2025
21AQI
21AQI
21st June 2025
23AQI
23AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
38AQI
38AQI
24th June 2025
50AQI
50AQI
25th June 2025
43AQI
43AQI
26th June 2025
27AQI
27AQI
27th June 2025
32AQI
32AQI
28th June 2025
27AQI
27AQI
29th June 2025
27AQI
27AQI
30th June 2025
29AQI
29AQI
1st July 2025
34AQI
34AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
39AQI
39AQI
4th July 2025
23AQI
23AQI
5th July 2025
26AQI
26AQI
6th July 2025
41AQI
41AQI
7th July 2025
43AQI
43AQI
8th July 2025
29AQI
29AQI
9th July 2025
40AQI
40AQI
10th July 2025
46AQI
46AQI
11th July 2025
48AQI
48AQI
12th July 2025
52AQI
52AQI
13th July 2025
43AQI
43AQI
14th July 2025
38AQI
38AQI
15th July 2025
39AQI
39AQI
16th July 2025
48AQI
48AQI
17th July 2025
45AQI
45AQI
18th July 2025
23AQI
23AQI
19th July 2025
32AQI
32AQI
20th July 2025
37AQI
37AQI
21st July 2025
30AQI
30AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
22AQI
22AQI
24th July 2025
30AQI
30AQI
25th July 2025
34AQI
34AQI
26th July 2025
47AQI
47AQI
27th July 2025
56AQI
56AQI
28th July 2025
57AQI
57AQI
29th July 2025
54AQI
54AQI
30th July 2025
63AQI
63AQI
31st July 2025
47AQI
47AQI
1st August 2025
24AQI
24AQI
32AQI
31AQI
30AQI
22AQI
22AQI
36AQI
39AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
27
4
25
3
28
3
30
31
25
5
26
5
1
193
20
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
May22AQI
202429AQI
29
2
24
5
28
3
29
31
25
4
28
3
22
9
26
4
31
30
26
4
1
329
34
1
Highest AQI recorded in
December37AQI
Lowest AQI recorded in
April23AQI
202334AQI
28
3
19
5
29
1
26
1
18
1
2
20
6
29
2
22
8
29
2
27
1
23
8
270
40
Highest AQI recorded in
June57AQI
Lowest AQI recorded in
October28AQI
202232AQI
20
9
1
20
2
28
3
17
30
1
29
1
20
2
1
30
28
2
28
2
26
5
277
27
1
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
August19AQI
202132AQI
24
6
20
8
26
5
28
1
29
2
29
1
25
6
26
5
30
30
1
26
4
24
5
317
44
Highest AQI recorded in
February43AQI
Lowest AQI recorded in
September21AQI
202029AQI
4
21
18
24
31
18
30
30
1
23
7
27
4
226
12
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
34AQILeast Polluted Year Recorded
2020(Avg.)
29AQILaval's annual 2025 AQI (30) shows an average percentage change of -2.6% (improved AQI) compared to previous years: 2020 (29), 2021 (32), 2022 (32), 2023 (34), 2024 (29).
