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HistoryAQIPM2.5PM10COSO2NO2O3

Brossard, 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

Brossard, Quebec, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
87AQI
Lowest AQI recorded on
9th Aug 2024
13AQI

Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 74 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Aug - 5th Aug 2025

Brossard, Quebec, Canada

AQI
Day
Night
.

5 AM4th Aug 2025

8 PM

4 AM5th Aug 2025

Day time
Avg. Highest Time
3PM4th Aug

123AQI

Avg. Lowest Time
5AM4th Aug

58AQI

Night time
Avg. Highest Time
10PM4th Aug

78AQI

Avg. Lowest Time
4AM5th Aug

46AQI

In the last 24 hours,

Brossard's AQI reached its highest point of 123 at 3 PM during the Day, while the lowest point, 46, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Brossard, 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 2025375 AMAQI
6th Jul 2025386 AMAQI
6th Jul 2025427 AMAQI
6th Jul 2025388 AMAQI
6th Jul 2025379 AMAQI
6th Jul 20253710 AMAQI
6th Jul 20253911 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025391 PMAQI
6th Jul 2025382 PMAQI
6th Jul 2025383 PMAQI
6th Jul 2025364 PMAQI
6th Jul 2025345 PMAQI
6th Jul 2025336 PMAQI
6th Jul 2025327 PMAQI
6th Jul 2025358 PMAQI
6th Jul 2025379 PMAQI
6th Jul 20254010 PMAQI
6th Jul 20253911 PMAQI
7th Jul 20254012 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025382 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025444 AMAQI

27°C18/36°C

7th Jul 2025435 AMAQI
7th Jul 2025446 AMAQI
7th Jul 2025427 AMAQI
7th Jul 2025498 AMAQI
7th Jul 2025529 AMAQI
7th Jul 20255210 AMAQI
7th Jul 20255211 AMAQI
7th Jul 20255212 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025532 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025445 PMAQI
7th Jul 2025386 PMAQI
7th Jul 2025357 PMAQI
7th Jul 2025348 PMAQI
7th Jul 2025439 PMAQI
7th Jul 20254010 PMAQI
7th Jul 20252911 PMAQI
8th Jul 20253312 AMAQI
8th Jul 2025351 AMAQI
8th Jul 2025342 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025264 AMAQI

18°C15/24°C

8th Jul 2025245 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025258 AMAQI
8th Jul 2025279 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252711 AMAQI
8th Jul 20253012 PMAQI
8th Jul 2025311 PMAQI
8th Jul 2025332 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025354 PMAQI
8th Jul 2025345 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025318 PMAQI
8th Jul 2025299 PMAQI
8th Jul 20252810 PMAQI
8th Jul 20252811 PMAQI
9th Jul 20253012 AMAQI
9th Jul 2025311 AMAQI
9th Jul 2025312 AMAQI
9th Jul 2025363 AMAQI
9th Jul 2025404 AMAQI

21°C16/29°C

9th Jul 2025415 AMAQI
9th Jul 2025436 AMAQI
9th Jul 2025427 AMAQI
9th Jul 2025458 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254511 AMAQI
9th Jul 20254512 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025435 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254010 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025401 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025463 AMAQI
10th Jul 2025454 AMAQI

22°C15/30°C

10th Jul 2025465 AMAQI
10th Jul 2025456 AMAQI
10th Jul 2025457 AMAQI
10th Jul 2025438 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025413 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025435 PMAQI
10th Jul 2025436 PMAQI
10th Jul 2025447 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025439 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20254111 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025422 AMAQI
11th Jul 2025433 AMAQI
11th Jul 2025424 AMAQI

24°C17/30°C

11th Jul 2025395 AMAQI
11th Jul 2025356 AMAQI
11th Jul 2025347 AMAQI
11th Jul 2025348 AMAQI
11th Jul 2025419 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20254511 AMAQI
11th Jul 20254512 PMAQI
11th Jul 2025481 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025475 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254111 PMAQI
12th Jul 20254112 AMAQI
12th Jul 2025451 AMAQI
12th Jul 2025462 AMAQI
12th Jul 2025513 AMAQI
12th Jul 2025524 AMAQI

25°C18/32°C

12th Jul 2025525 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255111 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025514 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025462 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025354 AMAQI

26°C19/34°C

13th Jul 2025335 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025318 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025373 PMAQI
13th Jul 2025374 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025378 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20253810 PMAQI
13th Jul 20253711 PMAQI
14th Jul 20253712 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025352 AMAQI
14th Jul 2025293 AMAQI
14th Jul 2025304 AMAQI

25°C22/30°C

14th Jul 2025295 AMAQI
14th Jul 2025306 AMAQI
14th Jul 2025317 AMAQI
14th Jul 2025328 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253210 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025413 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025359 PMAQI
14th Jul 20253510 PMAQI
14th Jul 20253511 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025351 AMAQI
15th Jul 2025352 AMAQI
15th Jul 2025303 AMAQI
15th Jul 2025254 AMAQI

26°C22/33°C

15th Jul 2025315 AMAQI
15th Jul 2025356 AMAQI
15th Jul 2025407 AMAQI
15th Jul 2025398 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025433 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025381 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025443 AMAQI
16th Jul 2025534 AMAQI

26°C18/34°C

16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255111 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025512 PMAQI
16th Jul 2025533 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025574 AMAQI

28°C20/36°C

17th Jul 2025545 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255010 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025434 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025456 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025153 AMAQI
18th Jul 2025164 AMAQI

26°C18/30°C

18th Jul 2025145 AMAQI
18th Jul 2025146 AMAQI
18th Jul 2025147 AMAQI
18th Jul 2025148 AMAQI
18th Jul 2025169 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025213 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025215 PMAQI
18th Jul 2025216 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025209 PMAQI
18th Jul 20252110 PMAQI
18th Jul 20252311 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025252 AMAQI
19th Jul 2025273 AMAQI
19th Jul 2025264 AMAQI

21°C14/28°C

19th Jul 2025255 AMAQI
19th Jul 2025256 AMAQI
19th Jul 2025247 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025434 AMAQI

21°C13/30°C

20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025382 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025484 AMAQI

21°C17/28°C

21st Jul 2025385 AMAQI
21st Jul 2025316 AMAQI
21st Jul 2025257 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025301 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025259 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025231 AMAQI
22nd Jul 2025222 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025154 AMAQI

18°C13/23°C

22nd Jul 2025165 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251711 AMAQI
22nd Jul 20251712 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025196 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025209 PMAQI
22nd Jul 20252110 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025251 AMAQI
23rd Jul 2025252 AMAQI
23rd Jul 2025243 AMAQI
23rd Jul 2025264 AMAQI

18°C10/23°C

23rd Jul 2025255 AMAQI
23rd Jul 2025286 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025243 AMAQI
24th Jul 2025224 AMAQI

21°C12/28°C

24th Jul 2025225 AMAQI
24th Jul 2025226 AMAQI
24th Jul 2025217 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025392 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025312 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025424 AMAQI

25°C16/33°C

25th Jul 2025355 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025473 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025376 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025399 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025484 AMAQI

26°C22/31°C

26th Jul 2025465 AMAQI
26th Jul 2025516 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025624 AMAQI

23°C15/32°C

27th Jul 2025635 AMAQI
27th Jul 2025606 AMAQI
27th Jul 2025587 AMAQI
27th Jul 2025598 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255710 AMAQI
27th Jul 20255811 AMAQI
27th Jul 20255712 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025592 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025586 PMAQI
27th Jul 2025587 PMAQI
27th Jul 2025598 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025503 AMAQI
28th Jul 2025504 AMAQI

23°C17/30°C

28th Jul 2025525 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20255810 AMAQI
28th Jul 20255911 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025611 PMAQI
28th Jul 2025632 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025574 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025571 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025593 AMAQI
29th Jul 2025584 AMAQI

26°C20/34°C

29th Jul 2025575 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025578 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20254712 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025593 AMAQI
30th Jul 2025614 AMAQI

25°C20/28°C

30th Jul 2025625 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20256310 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256512 PMAQI
30th Jul 2025641 PMAQI
30th Jul 2025642 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025664 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 20256111 PMAQI
31st Jul 20256012 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025614 AMAQI

23°C18/29°C

31st Jul 2025665 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025468 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025352 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025337 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025304 AMAQI

19°C14/24°C

1st Aug 2025285 AMAQI
1st Aug 2025266 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20251812 PMAQI
1st Aug 2025171 PMAQI
1st Aug 2025172 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025184 PMAQI
1st Aug 2025195 PMAQI
1st Aug 2025196 PMAQI
1st Aug 2025197 PMAQI
1st Aug 2025178 PMAQI
1st Aug 2025199 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025321 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025323 AMAQI
2nd Aug 2025284 AMAQI

18°C10/26°C

2nd Aug 2025295 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025248 AMAQI
2nd Aug 2025239 AMAQI
2nd Aug 20252310 AMAQI
2nd Aug 20252411 AMAQI
2nd Aug 20252312 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025323 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025308 PMAQI
2nd Aug 2025329 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025484 AMAQI

20°C10/30°C

3rd Aug 2025455 AMAQI
3rd Aug 2025456 AMAQI
3rd Aug 2025457 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025359 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025672 PMAQI
3rd Aug 2025673 PMAQI
3rd Aug 2025654 PMAQI
3rd Aug 2025745 PMAQI
3rd Aug 2025756 PMAQI
3rd Aug 2025777 PMAQI
3rd Aug 2025768 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20256310 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256012 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025524 AMAQI

23°C14/32°C

4th Aug 2025585 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025647 AMAQI
4th Aug 2025658 AMAQI
4th Aug 2025679 AMAQI
4th Aug 20257510 AMAQI
4th Aug 20258011 AMAQI
4th Aug 20258212 PMAQI
4th Aug 20251081 PMAQI
4th Aug 20251222 PMAQI
4th Aug 20251233 PMAQI
4th Aug 20251104 PMAQI
4th Aug 2025965 PMAQI
4th Aug 2025916 PMAQI
4th Aug 2025907 PMAQI
4th Aug 2025838 PMAQI
4th Aug 2025749 PMAQI
4th Aug 20257810 PMAQI
4th Aug 20257411 PMAQI
5th Aug 20257012 AMAQI
5th Aug 2025661 AMAQI
5th Aug 2025592 AMAQI
5th Aug 2025513 AMAQI
5th Aug 2025464 AMAQI

21°C15/27°C

5th Aug 2025445 AMAQI
5 AM
5th Aug 2025396 AMAQI
5th Aug 2025377 AMAQI
5th Aug 2025338 AMAQI
5th Aug 2025299 AMAQI
5th Aug 20252610 AMAQI
5th Aug 20252911 AMAQI
5th Aug 20253012 PMAQI
12 PM
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025273 PMAQI
5th Aug 2025264 PMAQI
5th Aug 2025285 PMAQI
5th Aug 2025286 PMAQI
5th Aug 2025277 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

41AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

41AQI

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. 41), while the lowest AQI was between 5 AM to 8 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

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. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Brossard, Quebec, Canada

2025

91%

196

9%

20

Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)

Good
196 Days
Moderate
20 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2025, 91% of 217 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

Brossard, 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
27AQI
2nd January 2025
20AQI
3rd January 2025
19AQI
4th January 2025
20AQI
5th January 2025
21AQI
6th January 2025
22AQI
7th January 2025
20AQI
8th January 2025
20AQI
9th January 2025
21AQI
10th January 2025
23AQI
11th January 2025
44AQI
12th January 2025
35AQI
13th January 2025
59AQI
14th January 2025
31AQI
15th January 2025
22AQI
16th January 2025
30AQI
17th January 2025
63AQI
18th January 2025
43AQI
19th January 2025
24AQI
20th January 2025
23AQI
21st January 2025
38AQI
22nd January 2025
50AQI
23rd January 2025
49AQI
24th January 2025
44AQI
25th January 2025
58AQI
26th January 2025
40AQI
27th January 2025
32AQI
28th January 2025
26AQI
29th January 2025
31AQI
30th January 2025
24AQI
31st January 2025
41AQI
1st February 2025
22AQI
2nd February 2025
39AQI
3rd February 2025
54AQI
4th February 2025
28AQI
5th February 2025
22AQI
6th February 2025
34AQI
7th February 2025
30AQI
8th February 2025
27AQI
9th February 2025
32AQI
10th February 2025
25AQI
11th February 2025
27AQI
12th February 2025
28AQI
13th February 2025
25AQI
14th February 2025
22AQI
15th February 2025
24AQI
16th February 2025
23AQI
17th February 2025
22AQI
18th February 2025
20AQI
19th February 2025
19AQI
20th February 2025
23AQI
21st February 2025
20AQI
22nd February 2025
25AQI
23rd February 2025
49AQI
24th February 2025
45AQI
25th February 2025
53AQI
26th February 2025
40AQI
27th February 2025
38AQI
28th February 2025
27AQI
1st March 2025
24AQI
2nd March 2025
22AQI
3rd March 2025
37AQI
4th March 2025
32AQI
5th March 2025
52AQI
6th March 2025
21AQI
7th March 2025
23AQI
8th March 2025
26AQI
9th March 2025
26AQI
10th March 2025
27AQI
11th March 2025
33AQI
12th March 2025
22AQI
13th March 2025
34AQI
14th March 2025
65AQI
15th March 2025
52AQI
16th March 2025
43AQI
17th March 2025
19AQI
18th March 2025
25AQI
19th March 2025
27AQI
20th March 2025
22AQI
21st March 2025
19AQI
22nd March 2025
21AQI
23rd March 2025
18AQI
24th March 2025
21AQI
25th March 2025
22AQI
26th March 2025
20AQI
27th March 2025
20AQI
28th March 2025
22AQI
29th March 2025
20AQI
30th March 2025
22AQI
31st March 2025
27AQI
1st April 2025
18AQI
2nd April 2025
19AQI
3rd April 2025
19AQI
4th April 2025
21AQI
5th April 2025
21AQI
6th April 2025
20AQI
7th April 2025
20AQI
8th April 2025
20AQI
9th April 2025
19AQI
10th April 2025
24AQI
11th April 2025
28AQI
12th April 2025
33AQI
13th April 2025
24AQI
14th April 2025
27AQI
15th April 2025
24AQI
16th April 2025
16AQI
17th April 2025
16AQI
18th April 2025
23AQI
19th April 2025
36AQI
20th April 2025
15AQI
21st April 2025
19AQI
22nd April 2025
19AQI
23rd April 2025
14AQI
24th April 2025
19AQI
25th April 2025
22AQI
26th April 2025
22AQI
27th April 2025
13AQI
28th April 2025
21AQI
29th April 2025
28AQI
30th April 2025
16AQI
1st May 2025
17AQI
2nd May 2025
23AQI
3rd May 2025
15AQI
4th May 2025
23AQI
5th May 2025
19AQI
6th May 2025
20AQI
7th May 2025
16AQI
8th May 2025
16AQI
9th May 2025
15AQI
10th May 2025
22AQI
11th May 2025
16AQI
12th May 2025
22AQI
13th May 2025
31AQI
14th May 2025
33AQI
15th May 2025
28AQI
16th May 2025
36AQI
17th May 2025
40AQI
18th May 2025
33AQI
19th May 2025
30AQI
20th May 2025
21AQI
21st May 2025
17AQI
22nd May 2025
15AQI
23rd May 2025
14AQI
24th May 2025
13AQI
25th May 2025
15AQI
26th May 2025
23AQI
27th May 2025
25AQI
28th May 2025
31AQI
29th May 2025
32AQI
30th May 2025
24AQI
31st May 2025
29AQI
1st June 2025
14AQI
2nd June 2025
16AQI
3rd June 2025
24AQI
4th June 2025
41AQI
5th June 2025
44AQI
6th June 2025
53AQI
7th June 2025
59AQI
8th June 2025
57AQI
9th June 2025
59AQI
10th June 2025
41AQI
11th June 2025
49AQI
12th June 2025
56AQI
13th June 2025
28AQI
14th June 2025
26AQI
15th June 2025
31AQI
16th June 2025
42AQI
17th June 2025
42AQI
18th June 2025
23AQI
19th June 2025
32AQI
20th June 2025
21AQI
21st June 2025
28AQI
22nd June 2025
31AQI
23rd June 2025
40AQI
24th June 2025
51AQI
25th June 2025
44AQI
26th June 2025
28AQI
27th June 2025
29AQI
28th June 2025
25AQI
29th June 2025
27AQI
30th June 2025
29AQI
1st July 2025
32AQI
2nd July 2025
29AQI
3rd July 2025
37AQI
4th July 2025
25AQI
5th July 2025
27AQI
6th July 2025
35AQI
7th July 2025
43AQI
8th July 2025
30AQI
9th July 2025
40AQI
10th July 2025
42AQI
11th July 2025
42AQI
12th July 2025
49AQI
13th July 2025
38AQI
14th July 2025
35AQI
15th July 2025
37AQI
16th July 2025
49AQI
17th July 2025
47AQI
18th July 2025
22AQI
19th July 2025
28AQI
20th July 2025
36AQI
21st July 2025
30AQI
22nd July 2025
20AQI
23rd July 2025
26AQI
24th July 2025
29AQI
25th July 2025
36AQI
26th July 2025
49AQI
27th July 2025
57AQI
28th July 2025
56AQI
29th July 2025
54AQI
30th July 2025
62AQI
31st July 2025
48AQI
1st August 2025
24AQI
2nd August 2025
33AQI
3rd August 2025
57AQI
4th August 2025
74AQI

33AQI

30AQI

28AQI

21AQI

23AQI

36AQI

38AQI

47AQI

No. of days

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

202530AQI

28
3
26
2
28
3
30
31
24
6
27
4
2
2
196
20

Highest AQI recorded in

August

47AQI

Lowest AQI recorded in

April

21AQI

202430AQI

27
4
25
4
29
2
29
31
26
4
28
3
22
9
26
4
31
30
25
5
1
329
35
1

Highest AQI recorded in

December

37AQI

Lowest AQI recorded in

November

23AQI

202337AQI

28
3
21
7
30
1
28
2
30
1
18
8
4
18
12
1
25
6
21
9
26
5
26
3
20
11
291
68
5

Highest AQI recorded in

June

52AQI

Lowest AQI recorded in

October

29AQI

202233AQI

18
11
1
18
4
28
3
29
1
30
1
29
1
23
1
2
30
28
3
28
2
26
5
289
32
1

Highest AQI recorded in

January

50AQI

Lowest AQI recorded in

August

22AQI

202133AQI

24
6
20
8
29
2
28
1
28
3
29
1
25
4
2
24
7
30
30
1
28
2
25
4
320
39
2

Highest AQI recorded in

February

41AQI

Lowest AQI recorded in

September

21AQI

202029AQI

10
21
18
29
1
30
1
31
30
31
24
6
27
4
251
12

Highest AQI recorded in

November

35AQI

Lowest AQI recorded in

September

23AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
37AQI
Least Polluted Year Recorded
2020(Avg.)
29AQI

Brossard's annual 2025 AQI (30) shows an average percentage change of -5.6% (improved AQI) compared to previous years: 2020 (29), 2021 (33), 2022 (33), 2023 (37), 2024 (30).