Country Background

Trois Riviares Sanctuary Area, Trois Rivieres, 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

Trois Riviares Sanctuary Area, Trois Rivieres, Quebec, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
99AQI
Lowest AQI recorded on
9th Aug 2023
15AQI


Same Day Analysis (13th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Aug - 14th Aug 2025

Trois Riviares Sanctuary Area, Trois Rivieres, Quebec, Canada

AQI
Day
Night
.

5 AM13th Aug 2025

8 PM

4 AM14th Aug 2025

Day time
Avg. Highest Time
2PM13th Aug

58AQI

Avg. Lowest Time
6PM13th Aug

31AQI

Night time
Avg. Highest Time
9PM13th Aug

56AQI

Avg. Lowest Time
11PM13th Aug

36AQI

In the last 24 hours,

Trois Riviares Sanctuary Area's AQI reached its highest point of 58 at 2 PM during the Day, while the lowest point, 31, was recorded at 6 PM during the Day between 13th Aug and 14th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Trois Riviares Sanctuary Area, Trois Rivieres, Quebec, Canada

JulAug
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
15th Jul 2025325 AMAQI
15th Jul 2025346 AMAQI
15th Jul 2025427 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253510 AMAQI
15th Jul 20253411 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253511 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025331 AMAQI
16th Jul 2025352 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025484 AMAQI

24°C17/31°C

16th Jul 2025485 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254512 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025452 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025431 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025564 AMAQI

26°C19/34°C

17th Jul 2025555 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025539 AMAQI
17th Jul 20255010 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025461 PMAQI
17th Jul 2025452 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025445 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025391 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025214 AMAQI

24°C16/28°C

18th Jul 2025175 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025309 PMAQI
18th Jul 20252910 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025311 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025313 AMAQI
19th Jul 2025304 AMAQI

19°C13/26°C

19th Jul 2025295 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253110 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025443 PMAQI
19th Jul 2025444 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025524 AMAQI

19°C11/28°C

20th Jul 2025515 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254112 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025404 AMAQI

19°C15/24°C

21st Jul 2025335 AMAQI
21st Jul 2025256 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025208 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025211 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252311 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025173 AMAQI
22nd Jul 2025154 AMAQI

17°C11/24°C

22nd Jul 2025155 AMAQI
22nd Jul 2025136 AMAQI
22nd Jul 2025137 AMAQI
22nd Jul 2025138 AMAQI
22nd Jul 2025149 AMAQI
22nd Jul 20251510 AMAQI
22nd Jul 20251511 AMAQI
22nd Jul 20251612 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025162 PMAQI
22nd Jul 2025173 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025185 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025323 AMAQI
23rd Jul 2025304 AMAQI

17°C11/23°C

23rd Jul 2025265 AMAQI
23rd Jul 2025226 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025251 AMAQI
24th Jul 2025252 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025214 AMAQI

18°C9/26°C

24th Jul 2025215 AMAQI
24th Jul 2025216 AMAQI
24th Jul 2025217 AMAQI
24th Jul 2025228 AMAQI
24th Jul 2025239 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025393 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025289 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025484 AMAQI

24°C15/32°C

25th Jul 2025455 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025378 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253711 AMAQI
25th Jul 20254412 PMAQI
25th Jul 2025491 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025434 AMAQI

24°C20/30°C

26th Jul 2025455 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025473 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025515 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025564 AMAQI

21°C11/30°C

27th Jul 2025545 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025572 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025559 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255512 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025544 AMAQI

22°C13/27°C

28th Jul 2025515 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20255810 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025611 PMAQI
28th Jul 2025612 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025573 AMAQI
29th Jul 2025444 AMAQI

24°C18/30°C

29th Jul 2025325 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025519 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20255012 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025502 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025614 AMAQI

23°C17/27°C

30th Jul 2025615 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025619 AMAQI
30th Jul 20256310 AMAQI
30th Jul 20256311 AMAQI
30th Jul 20256112 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025592 PMAQI
30th Jul 2025613 PMAQI
30th Jul 2025604 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025623 AMAQI
31st Jul 2025584 AMAQI

21°C17/25°C

31st Jul 2025605 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254811 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025379 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025304 AMAQI

18°C13/22°C

1st Aug 2025295 AMAQI
1st Aug 2025256 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025198 AMAQI
1st Aug 2025199 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251711 AMAQI
1st Aug 20251712 PMAQI
1st Aug 2025161 PMAQI
1st Aug 2025192 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025164 PMAQI
1st Aug 2025165 PMAQI
1st Aug 2025166 PMAQI
1st Aug 2025177 PMAQI
1st Aug 2025158 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20251810 PMAQI
1st Aug 20252511 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025391 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025304 AMAQI

17°C8/24°C

2nd Aug 2025285 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025238 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252411 AMAQI
2nd Aug 20252312 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025292 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025304 PMAQI
2nd Aug 2025405 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025387 PMAQI
2nd Aug 2025248 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025371 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025493 AMAQI
3rd Aug 2025444 AMAQI

17°C6/25°C

3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025367 AMAQI
3rd Aug 2025328 AMAQI
3rd Aug 2025329 AMAQI
3rd Aug 20254210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025621 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025754 PMAQI
3rd Aug 2025815 PMAQI
3rd Aug 2025756 PMAQI
3rd Aug 2025757 PMAQI
3rd Aug 2025658 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025533 AMAQI
4th Aug 2025494 AMAQI

22°C14/31°C

4th Aug 2025585 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025567 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025571 PMAQI
4th Aug 2025542 PMAQI
4th Aug 2025493 PMAQI
4th Aug 2025464 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025699 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025521 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025473 AMAQI
5th Aug 2025464 AMAQI

19°C16/24°C

5th Aug 2025425 AMAQI
5th Aug 2025386 AMAQI
5th Aug 2025347 AMAQI
5th Aug 2025328 AMAQI
5th Aug 2025309 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20253111 AMAQI
5th Aug 20253012 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025263 PMAQI
5th Aug 2025274 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025276 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025319 PMAQI
5th Aug 20252810 PMAQI
5th Aug 20252611 PMAQI
6th Aug 20252812 AMAQI
6th Aug 2025301 AMAQI
6th Aug 2025292 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025294 AMAQI

18°C9/24°C

6th Aug 2025295 AMAQI
6th Aug 2025276 AMAQI
6th Aug 2025287 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025299 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253111 AMAQI
6th Aug 20253112 PMAQI
6th Aug 2025291 PMAQI
6th Aug 2025302 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025304 PMAQI
6th Aug 2025265 PMAQI
6th Aug 2025236 PMAQI
6th Aug 2025247 PMAQI
6th Aug 2025248 PMAQI
6th Aug 2025289 PMAQI
6th Aug 20252910 PMAQI
6th Aug 20253411 PMAQI
7th Aug 20253612 AMAQI
7th Aug 2025381 AMAQI
7th Aug 2025362 AMAQI
7th Aug 2025303 AMAQI
7th Aug 2025284 AMAQI

20°C10/29°C

7th Aug 2025275 AMAQI
7th Aug 2025296 AMAQI
7th Aug 2025287 AMAQI
7th Aug 2025308 AMAQI
7th Aug 2025319 AMAQI
7th Aug 20253310 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20253512 PMAQI
7th Aug 2025371 PMAQI
7th Aug 2025402 PMAQI
7th Aug 2025423 PMAQI
7th Aug 2025444 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025376 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025388 PMAQI
7th Aug 2025379 PMAQI
7th Aug 20253610 PMAQI
7th Aug 20254011 PMAQI
8th Aug 20254312 AMAQI
8th Aug 2025421 AMAQI
8th Aug 2025402 AMAQI
8th Aug 2025583 AMAQI
8th Aug 2025564 AMAQI

21°C10/30°C

8th Aug 2025505 AMAQI
8th Aug 2025426 AMAQI
8th Aug 2025367 AMAQI
8th Aug 2025358 AMAQI
8th Aug 2025409 AMAQI
8th Aug 20254110 AMAQI
8th Aug 20254611 AMAQI
8th Aug 20255312 PMAQI
8th Aug 2025531 PMAQI
8th Aug 2025552 PMAQI
8th Aug 2025543 PMAQI
8th Aug 2025464 PMAQI
8th Aug 2025465 PMAQI
8th Aug 2025476 PMAQI
8th Aug 2025477 PMAQI
8th Aug 2025488 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255010 PMAQI
8th Aug 20254511 PMAQI
9th Aug 20254612 AMAQI
9th Aug 2025471 AMAQI
9th Aug 2025462 AMAQI
9th Aug 2025553 AMAQI
9th Aug 2025584 AMAQI

23°C11/31°C

9th Aug 2025585 AMAQI
9th Aug 2025586 AMAQI
9th Aug 2025587 AMAQI
9th Aug 2025588 AMAQI
9th Aug 2025549 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255712 PMAQI
9th Aug 2025561 PMAQI
9th Aug 2025592 PMAQI
9th Aug 2025633 PMAQI
9th Aug 2025554 PMAQI
9th Aug 2025545 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025567 PMAQI
9th Aug 2025558 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255611 PMAQI
10th Aug 20255512 AMAQI
10th Aug 2025561 AMAQI
10th Aug 2025582 AMAQI
10th Aug 2025643 AMAQI
10th Aug 2025654 AMAQI

24°C16/32°C

10th Aug 2025615 AMAQI
10th Aug 2025626 AMAQI
10th Aug 2025627 AMAQI
10th Aug 2025608 AMAQI
10th Aug 2025649 AMAQI
10th Aug 20256410 AMAQI
10th Aug 20256211 AMAQI
10th Aug 20256312 PMAQI
10th Aug 2025631 PMAQI
10th Aug 2025622 PMAQI
10th Aug 2025613 PMAQI
10th Aug 2025614 PMAQI
10th Aug 2025615 PMAQI
10th Aug 2025616 PMAQI
10th Aug 2025607 PMAQI
10th Aug 2025608 PMAQI
10th Aug 2025609 PMAQI
10th Aug 20256010 PMAQI
10th Aug 20255811 PMAQI
11th Aug 20255812 AMAQI
11th Aug 2025591 AMAQI
11th Aug 2025582 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025524 AMAQI

26°C19/34°C

11th Aug 2025525 AMAQI
11th Aug 2025526 AMAQI
11th Aug 2025537 AMAQI
11th Aug 2025548 AMAQI
11th Aug 2025589 AMAQI
11th Aug 20255910 AMAQI
11th Aug 20256211 AMAQI
11th Aug 20256112 PMAQI
11th Aug 2025601 PMAQI
11th Aug 2025612 PMAQI
11th Aug 2025613 PMAQI
11th Aug 2025624 PMAQI
11th Aug 2025635 PMAQI
11th Aug 2025626 PMAQI
11th Aug 2025627 PMAQI
11th Aug 2025608 PMAQI
11th Aug 2025599 PMAQI
11th Aug 20255710 PMAQI
11th Aug 20255611 PMAQI
12th Aug 20255612 AMAQI
12th Aug 2025551 AMAQI
12th Aug 2025562 AMAQI
12th Aug 2025563 AMAQI
12th Aug 2025544 AMAQI

26°C19/34°C

12th Aug 2025555 AMAQI
12th Aug 2025526 AMAQI
12th Aug 2025547 AMAQI
12th Aug 2025558 AMAQI
12th Aug 2025559 AMAQI
12th Aug 20255610 AMAQI
12th Aug 20255511 AMAQI
12th Aug 20255812 PMAQI
12th Aug 2025601 PMAQI
12th Aug 2025592 PMAQI
12th Aug 2025583 PMAQI
12th Aug 2025604 PMAQI
12th Aug 2025595 PMAQI
12th Aug 2025596 PMAQI
12th Aug 2025587 PMAQI
12th Aug 2025598 PMAQI
12th Aug 2025559 PMAQI
12th Aug 20255510 PMAQI
12th Aug 20255711 PMAQI
13th Aug 20255812 AMAQI
13th Aug 2025571 AMAQI
13th Aug 2025562 AMAQI
13th Aug 2025563 AMAQI
13th Aug 2025564 AMAQI

26°C19/35°C

13th Aug 2025565 AMAQI
13th Aug 2025566 AMAQI
13th Aug 2025557 AMAQI
13th Aug 2025568 AMAQI
13th Aug 2025559 AMAQI
13th Aug 20255510 AMAQI
13th Aug 20255611 AMAQI
13th Aug 20255612 PMAQI
13th Aug 2025561 PMAQI
13th Aug 2025582 PMAQI
13th Aug 2025563 PMAQI
13th Aug 2025514 PMAQI
13th Aug 2025415 PMAQI
13th Aug 2025316 PMAQI
13th Aug 2025337 PMAQI
13th Aug 2025348 PMAQI
13th Aug 2025569 PMAQI
13th Aug 20254510 PMAQI
13th Aug 20253611 PMAQI
14th Aug 20253812 AMAQI
14th Aug 2025401 AMAQI
14th Aug 2025412 AMAQI
14th Aug 2025413 AMAQI
14th Aug 2025404 AMAQI

24°C20/33°C

14th Aug 2025385 AMAQI
5 AM
14th Aug 2025456 AMAQI
14th Aug 2025507 AMAQI
14th Aug 2025548 AMAQI
14th Aug 2025549 AMAQI
14th Aug 20254810 AMAQI
14th Aug 20254011 AMAQI
14th Aug 20253412 PMAQI
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

42AQI

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

42AQI

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. 42), while the lowest AQI was between 5 AM to 8 PM (Avg. 42).
Night time
Avg. Highest Time
3 AM - 11 PM

43AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 2 AM

42AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 11 PM (Avg. 43), while the lowest AQI was between 12 AM to 2 AM (Avg. 42).

2025 Days Vs Air Quality

Trois Riviares Sanctuary Area, Trois Rivieres, Quebec, Canada

2025

89%

201

11%

24

Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)

Good
201 Days
Moderate
24 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2025, 89% of 226 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

Trois Riviares Sanctuary Area, Trois Rivieres, 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
2nd January 2025
23AQI
3rd January 2025
22AQI
4th January 2025
20AQI
5th January 2025
22AQI
6th January 2025
24AQI
7th January 2025
21AQI
8th January 2025
20AQI
9th January 2025
21AQI
10th January 2025
23AQI
11th January 2025
41AQI
12th January 2025
37AQI
13th January 2025
62AQI
14th January 2025
47AQI
15th January 2025
23AQI
16th January 2025
35AQI
17th January 2025
64AQI
18th January 2025
45AQI
19th January 2025
29AQI
20th January 2025
27AQI
21st January 2025
52AQI
22nd January 2025
72AQI
23rd January 2025
53AQI
24th January 2025
46AQI
25th January 2025
60AQI
26th January 2025
58AQI
27th January 2025
42AQI
28th January 2025
32AQI
29th January 2025
35AQI
30th January 2025
27AQI
31st January 2025
33AQI
1st February 2025
22AQI
2nd February 2025
25AQI
3rd February 2025
31AQI
4th February 2025
24AQI
5th February 2025
23AQI
6th February 2025
27AQI
7th February 2025
27AQI
8th February 2025
24AQI
9th February 2025
29AQI
10th February 2025
30AQI
11th February 2025
45AQI
12th February 2025
30AQI
13th February 2025
24AQI
14th February 2025
23AQI
15th February 2025
26AQI
16th February 2025
26AQI
17th February 2025
21AQI
18th February 2025
20AQI
19th February 2025
23AQI
20th February 2025
29AQI
21st February 2025
22AQI
22nd February 2025
25AQI
23rd February 2025
48AQI
24th February 2025
32AQI
25th February 2025
65AQI
26th February 2025
38AQI
27th February 2025
38AQI
28th February 2025
31AQI
1st March 2025
24AQI
2nd March 2025
23AQI
3rd March 2025
39AQI
4th March 2025
38AQI
5th March 2025
50AQI
6th March 2025
25AQI
7th March 2025
23AQI
8th March 2025
25AQI
9th March 2025
24AQI
10th March 2025
26AQI
11th March 2025
40AQI
12th March 2025
21AQI
13th March 2025
40AQI
14th March 2025
64AQI
15th March 2025
37AQI
16th March 2025
38AQI
17th March 2025
19AQI
18th March 2025
22AQI
19th March 2025
21AQI
20th March 2025
25AQI
21st March 2025
22AQI
22nd March 2025
26AQI
23rd March 2025
18AQI
24th March 2025
21AQI
25th March 2025
45AQI
26th March 2025
32AQI
27th March 2025
18AQI
28th March 2025
22AQI
29th March 2025
19AQI
30th March 2025
26AQI
31st March 2025
22AQI
1st April 2025
17AQI
2nd April 2025
18AQI
3rd April 2025
19AQI
4th April 2025
22AQI
5th April 2025
21AQI
6th April 2025
20AQI
7th April 2025
21AQI
8th April 2025
22AQI
9th April 2025
16AQI
10th April 2025
23AQI
11th April 2025
30AQI
12th April 2025
27AQI
13th April 2025
22AQI
14th April 2025
24AQI
15th April 2025
22AQI
16th April 2025
16AQI
17th April 2025
18AQI
18th April 2025
20AQI
19th April 2025
26AQI
20th April 2025
18AQI
21st April 2025
15AQI
22nd April 2025
19AQI
23rd April 2025
12AQI
24th April 2025
16AQI
25th April 2025
19AQI
26th April 2025
15AQI
27th April 2025
12AQI
28th April 2025
18AQI
29th April 2025
22AQI
30th April 2025
15AQI
1st May 2025
16AQI
2nd May 2025
23AQI
3rd May 2025
18AQI
4th May 2025
23AQI
5th May 2025
16AQI
6th May 2025
20AQI
7th May 2025
18AQI
8th May 2025
14AQI
9th May 2025
13AQI
10th May 2025
16AQI
11th May 2025
15AQI
12th May 2025
25AQI
13th May 2025
24AQI
14th May 2025
30AQI
15th May 2025
32AQI
16th May 2025
36AQI
17th May 2025
27AQI
18th May 2025
18AQI
19th May 2025
12AQI
20th May 2025
12AQI
21st May 2025
15AQI
22nd May 2025
14AQI
23rd May 2025
14AQI
24th May 2025
11AQI
25th May 2025
14AQI
26th May 2025
21AQI
27th May 2025
27AQI
28th May 2025
32AQI
29th May 2025
32AQI
30th May 2025
26AQI
31st May 2025
26AQI
1st June 2025
13AQI
2nd June 2025
17AQI
3rd June 2025
27AQI
4th June 2025
38AQI
5th June 2025
42AQI
6th June 2025
53AQI
7th June 2025
57AQI
8th June 2025
50AQI
9th June 2025
52AQI
10th June 2025
46AQI
11th June 2025
51AQI
12th June 2025
55AQI
13th June 2025
30AQI
14th June 2025
26AQI
15th June 2025
30AQI
16th June 2025
37AQI
17th June 2025
41AQI
18th June 2025
27AQI
19th June 2025
37AQI
20th June 2025
26AQI
21st June 2025
28AQI
22nd June 2025
27AQI
23rd June 2025
34AQI
24th June 2025
43AQI
25th June 2025
40AQI
26th June 2025
26AQI
27th June 2025
25AQI
28th June 2025
21AQI
29th June 2025
19AQI
30th June 2025
27AQI
1st July 2025
32AQI
2nd July 2025
29AQI
3rd July 2025
30AQI
4th July 2025
24AQI
5th July 2025
27AQI
6th July 2025
29AQI
7th July 2025
35AQI
8th July 2025
26AQI
9th July 2025
32AQI
10th July 2025
35AQI
11th July 2025
32AQI
12th July 2025
38AQI
13th July 2025
40AQI
14th July 2025
34AQI
15th July 2025
34AQI
16th July 2025
42AQI
17th July 2025
47AQI
18th July 2025
29AQI
19th July 2025
34AQI
20th July 2025
43AQI
21st July 2025
28AQI
22nd July 2025
18AQI
23rd July 2025
24AQI
24th July 2025
27AQI
25th July 2025
40AQI
26th July 2025
49AQI
27th July 2025
55AQI
28th July 2025
56AQI
29th July 2025
45AQI
30th July 2025
59AQI
31st July 2025
45AQI
1st August 2025
22AQI
2nd August 2025
31AQI
3rd August 2025
54AQI
4th August 2025
56AQI
5th August 2025
34AQI
6th August 2025
28AQI
7th August 2025
35AQI
8th August 2025
47AQI
9th August 2025
55AQI
10th August 2025
61AQI
11th August 2025
58AQI
12th August 2025
56AQI
13th August 2025
53AQI

37AQI

30AQI

29AQI

20AQI

21AQI

35AQI

36AQI

45AQI


No. of days

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

202530AQI

24
7
27
1
30
1
30
31
25
5
28
3
6
7
201
24

Highest AQI recorded in

August

45AQI


Lowest AQI recorded in

April

20AQI


202432AQI

26
5
22
7
30
1
29
31
25
3
25
6
23
8
28
2
31
30
27
3
1
327
35
1

Highest AQI recorded in

August

40AQI


Lowest AQI recorded in

November

23AQI


202337AQI

27
4
22
4
25
4
26
28
1
19
8
3
18
12
1
26
5
24
6
29
2
26
3
24
7
294
56
4

Highest AQI recorded in

July

53AQI


Lowest AQI recorded in

October

28AQI


202236AQI

14
16
14
7
21
10
16
29
2
30
20
3
2
27
2
22
8
23
7
27
4
245
59

Highest AQI recorded in

January

50AQI


Lowest AQI recorded in

September

26AQI


202137AQI

21
9
16
12
21
10
28
1
27
4
24
6
21
9
1
19
12
30
28
3
24
6
23
6
282
78
1

Highest AQI recorded in

February

48AQI


Lowest AQI recorded in

September

23AQI


202034AQI

12
1
18
2
14
4
25
5
27
4
31
28
2
31
23
7
26
5
235
30

Highest AQI recorded in

December

39AQI


Lowest AQI recorded in

October

26AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
37AQI
Least Polluted Year Recorded
2025(Avg.)
30AQI


Trois Riviares Sanctuary Area's annual 2025 AQI (30) shows an average percentage change of -13.1% (improved AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (36), 2023 (37), 2024 (32).