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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Lac Saint Jean, Roberval, 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+

July Air Quality Analysis

Lac Saint Jean, Roberval, Quebec, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Jul 2023
133AQI
Lowest AQI recorded on
3rd Jul 2022
13AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2024 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Lac Saint Jean, Roberval, Quebec, Canada

AQI
Day
Night
.

5 AM30th Jul 2026

8 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
12PM30th Jul

47AQI

Avg. Lowest Time
10AM30th Jul

30AQI

Night time
Avg. Highest Time
11PM30th Jul

40AQI

Avg. Lowest Time
3AM31st Jul

25AQI

In the last 24 hours,

Lac Saint Jean's AQI reached its highest point of 47 at 12 PM during the Day, while the lowest point, 25, was recorded at 3 AM during the Night between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Lac Saint Jean, Roberval, Quebec, Canada

Jul
02nd - 03rd03rd - 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
Day
Night
2nd Jul 2026695 AMAQI
2nd Jul 2026496 AMAQI
2nd Jul 2026447 AMAQI
2nd Jul 2026488 AMAQI
2nd Jul 2026469 AMAQI
2nd Jul 20264210 AMAQI
2nd Jul 20265011 AMAQI
2nd Jul 20264212 PMAQI
2nd Jul 2026291 PMAQI
2nd Jul 2026302 PMAQI
2nd Jul 2026273 PMAQI
2nd Jul 2026304 PMAQI
2nd Jul 2026515 PMAQI
2nd Jul 2026916 PMAQI
2nd Jul 2026297 PMAQI
2nd Jul 2026288 PMAQI
2nd Jul 2026289 PMAQI
2nd Jul 20263310 PMAQI
2nd Jul 20262711 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026291 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026343 AMAQI
3rd Jul 2026344 AMAQI

27°C22/32°C

3rd Jul 2026395 AMAQI
3rd Jul 2026396 AMAQI
3rd Jul 2026407 AMAQI
3rd Jul 2026288 AMAQI
3rd Jul 2026349 AMAQI
3rd Jul 20264410 AMAQI
3rd Jul 20264911 AMAQI
3rd Jul 20265212 PMAQI
3rd Jul 2026481 PMAQI
3rd Jul 2026392 PMAQI
3rd Jul 2026383 PMAQI
3rd Jul 2026334 PMAQI
3rd Jul 2026335 PMAQI
3rd Jul 2026306 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026348 PMAQI
3rd Jul 2026279 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20263612 AMAQI
4th Jul 2026341 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026303 AMAQI
4th Jul 2026284 AMAQI

24°C20/29°C

4th Jul 2026305 AMAQI
4th Jul 2026346 AMAQI
4th Jul 2026387 AMAQI
4th Jul 2026408 AMAQI
4th Jul 2026369 AMAQI
4th Jul 20262810 AMAQI
4th Jul 20262711 AMAQI
4th Jul 20263312 PMAQI
4th Jul 2026271 PMAQI
4th Jul 2026282 PMAQI
4th Jul 2026333 PMAQI
4th Jul 2026344 PMAQI
4th Jul 2026355 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026277 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026289 PMAQI
4th Jul 20263310 PMAQI
4th Jul 20262511 PMAQI
5th Jul 20264012 AMAQI
5th Jul 2026231 AMAQI
5th Jul 2026282 AMAQI
5th Jul 2026283 AMAQI
5th Jul 2026354 AMAQI

21°C17/25°C

5th Jul 2026365 AMAQI
5th Jul 2026366 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026268 AMAQI
5th Jul 2026379 AMAQI
5th Jul 20262910 AMAQI
5th Jul 20262911 AMAQI
5th Jul 20262712 PMAQI
5th Jul 2026281 PMAQI
5th Jul 2026282 PMAQI
5th Jul 2026233 PMAQI
5th Jul 2026284 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026266 PMAQI
5th Jul 2026267 PMAQI
5th Jul 2026208 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262410 PMAQI
5th Jul 20262711 PMAQI
6th Jul 20262112 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026263 AMAQI
6th Jul 2026254 AMAQI

19°C14/24°C

6th Jul 2026245 AMAQI
6th Jul 2026246 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026289 AMAQI
6th Jul 20262810 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20263112 PMAQI
6th Jul 2026321 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026323 PMAQI
6th Jul 2026294 PMAQI
6th Jul 2026325 PMAQI
6th Jul 2026326 PMAQI
6th Jul 2026367 PMAQI
6th Jul 2026328 PMAQI
6th Jul 2026309 PMAQI
6th Jul 20263410 PMAQI
6th Jul 20263011 PMAQI
7th Jul 20262412 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026322 AMAQI
7th Jul 2026503 AMAQI
7th Jul 2026314 AMAQI

20°C13/26°C

7th Jul 2026315 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026289 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20264412 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026336 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026308 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026251 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026264 AMAQI

22°C15/28°C

8th Jul 2026305 AMAQI
8th Jul 2026206 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026228 AMAQI
8th Jul 2026289 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20263311 AMAQI
8th Jul 20263112 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026323 PMAQI
8th Jul 2026314 PMAQI
8th Jul 2026325 PMAQI
8th Jul 2026336 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20264212 AMAQI
9th Jul 2026321 AMAQI
9th Jul 2026322 AMAQI
9th Jul 2026373 AMAQI
9th Jul 2026284 AMAQI

24°C18/30°C

9th Jul 2026365 AMAQI
9th Jul 2026316 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026309 AMAQI
9th Jul 20263110 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026282 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026584 PMAQI
9th Jul 2026675 PMAQI
9th Jul 2026576 PMAQI
9th Jul 2026567 PMAQI
9th Jul 2026438 PMAQI
9th Jul 2026599 PMAQI
9th Jul 20266510 PMAQI
9th Jul 20267011 PMAQI
10th Jul 20267012 AMAQI
10th Jul 2026421 AMAQI
10th Jul 2026562 AMAQI
10th Jul 2026423 AMAQI
10th Jul 2026404 AMAQI

21°C16/26°C

10th Jul 2026385 AMAQI
10th Jul 2026546 AMAQI
10th Jul 2026517 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026509 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263111 AMAQI
10th Jul 20263712 PMAQI
10th Jul 2026371 PMAQI
10th Jul 2026362 PMAQI
10th Jul 2026343 PMAQI
10th Jul 2026404 PMAQI
10th Jul 2026405 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026369 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026261 AMAQI
11th Jul 2026242 AMAQI
11th Jul 2026273 AMAQI
11th Jul 2026314 AMAQI

18°C15/22°C

11th Jul 2026305 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026341 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026336 PMAQI
11th Jul 2026227 PMAQI
11th Jul 2026208 PMAQI
11th Jul 2026219 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20262611 PMAQI
12th Jul 20262212 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026222 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026564 AMAQI

19°C13/24°C

12th Jul 2026305 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026478 AMAQI
12th Jul 2026539 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20265611 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026302 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026394 PMAQI
12th Jul 2026365 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026247 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20262610 PMAQI
12th Jul 20264811 PMAQI
13th Jul 20266612 AMAQI
13th Jul 2026621 AMAQI
13th Jul 2026562 AMAQI
13th Jul 2026543 AMAQI
13th Jul 2026534 AMAQI

21°C14/28°C

13th Jul 2026485 AMAQI
13th Jul 2026446 AMAQI
13th Jul 2026477 AMAQI
13th Jul 2026508 AMAQI
13th Jul 2026509 AMAQI
13th Jul 20265110 AMAQI
13th Jul 20265111 AMAQI
13th Jul 20264812 PMAQI
13th Jul 2026401 PMAQI
13th Jul 2026422 PMAQI
13th Jul 2026483 PMAQI
13th Jul 2026484 PMAQI
13th Jul 2026445 PMAQI
13th Jul 2026386 PMAQI
13th Jul 2026407 PMAQI
13th Jul 2026368 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20263610 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026362 AMAQI
14th Jul 2026343 AMAQI
14th Jul 2026344 AMAQI

21°C19/25°C

14th Jul 2026355 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026347 AMAQI
14th Jul 2026328 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20263611 AMAQI
14th Jul 20263912 PMAQI
14th Jul 2026371 PMAQI
14th Jul 2026352 PMAQI
14th Jul 2026363 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026697 PMAQI
14th Jul 2026588 PMAQI
14th Jul 2026609 PMAQI
14th Jul 20262610 PMAQI
14th Jul 20262811 PMAQI
15th Jul 20264212 AMAQI
15th Jul 2026451 AMAQI
15th Jul 2026642 AMAQI
15th Jul 2026643 AMAQI
15th Jul 2026694 AMAQI

23°C19/28°C

15th Jul 2026585 AMAQI
15th Jul 2026606 AMAQI
15th Jul 2026647 AMAQI
15th Jul 2026648 AMAQI
15th Jul 2026749 AMAQI
15th Jul 20266610 AMAQI
15th Jul 20265211 AMAQI
15th Jul 20264012 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026372 PMAQI
15th Jul 2026423 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026317 PMAQI
15th Jul 2026328 PMAQI
15th Jul 2026309 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262811 PMAQI
16th Jul 20263412 AMAQI
16th Jul 2026341 AMAQI
16th Jul 2026232 AMAQI
16th Jul 2026243 AMAQI
16th Jul 2026384 AMAQI

19°C16/23°C

16th Jul 2026305 AMAQI
16th Jul 2026286 AMAQI
16th Jul 2026527 AMAQI
16th Jul 2026628 AMAQI
16th Jul 2026649 AMAQI
16th Jul 20266410 AMAQI
16th Jul 20263211 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026571 PMAQI
16th Jul 2026312 PMAQI
16th Jul 2026353 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262611 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026222 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026284 AMAQI

13°C11/15°C

17th Jul 2026235 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026407 AMAQI
17th Jul 2026408 AMAQI
17th Jul 2026249 AMAQI
17th Jul 20262910 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026421 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026203 PMAQI
17th Jul 2026194 PMAQI
17th Jul 2026205 PMAQI
17th Jul 2026256 PMAQI
17th Jul 2026267 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026329 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20266212 AMAQI
18th Jul 2026601 AMAQI
18th Jul 2026562 AMAQI
18th Jul 2026533 AMAQI
18th Jul 2026534 AMAQI

17°C11/23°C

18th Jul 2026525 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026487 AMAQI
18th Jul 2026408 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20264211 AMAQI
18th Jul 20262112 PMAQI
18th Jul 2026301 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026424 PMAQI
18th Jul 2026605 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026587 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265710 PMAQI
18th Jul 20267011 PMAQI
19th Jul 20266312 AMAQI
19th Jul 2026581 AMAQI
19th Jul 2026622 AMAQI
19th Jul 2026473 AMAQI
19th Jul 2026504 AMAQI

16°C14/21°C

19th Jul 2026445 AMAQI
19th Jul 2026486 AMAQI
19th Jul 2026297 AMAQI
19th Jul 2026548 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20264011 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026342 PMAQI
19th Jul 2026733 PMAQI
19th Jul 2026314 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026506 PMAQI
19th Jul 2026207 PMAQI
19th Jul 2026338 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20262010 PMAQI
19th Jul 20261811 PMAQI
20th Jul 20265712 AMAQI
20th Jul 2026571 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026663 AMAQI
20th Jul 2026484 AMAQI

14°C12/16°C

20th Jul 2026425 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026507 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026319 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026496 PMAQI
20th Jul 2026337 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20265010 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026343 AMAQI
21st Jul 2026444 AMAQI

16°C11/21°C

21st Jul 2026505 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026517 AMAQI
21st Jul 2026488 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026521 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026265 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026297 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026389 PMAQI
21st Jul 20263810 PMAQI
21st Jul 20263811 PMAQI
22nd Jul 20263612 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026364 AMAQI

21°C17/26°C

22nd Jul 2026335 AMAQI
22nd Jul 2026366 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026318 AMAQI
22nd Jul 2026319 AMAQI
22nd Jul 20263010 AMAQI
22nd Jul 20263011 AMAQI
22nd Jul 20262612 PMAQI
22nd Jul 2026221 PMAQI
22nd Jul 2026212 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262011 PMAQI
23rd Jul 20261812 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026442 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI

19°C13/22°C

23rd Jul 2026205 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026207 AMAQI
23rd Jul 2026148 AMAQI
23rd Jul 2026229 AMAQI
23rd Jul 20262410 AMAQI
23rd Jul 20262811 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026223 PMAQI
23rd Jul 2026264 PMAQI
23rd Jul 2026295 PMAQI
23rd Jul 2026546 PMAQI
23rd Jul 2026547 PMAQI
23rd Jul 2026508 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026422 AMAQI
24th Jul 2026323 AMAQI
24th Jul 2026334 AMAQI

16°C11/22°C

24th Jul 2026335 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026308 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263411 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026483 PMAQI
24th Jul 2026494 PMAQI
24th Jul 2026475 PMAQI
24th Jul 2026626 PMAQI
24th Jul 2026607 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20264710 PMAQI
24th Jul 20265211 PMAQI
25th Jul 20265412 AMAQI
25th Jul 2026561 AMAQI
25th Jul 2026492 AMAQI
25th Jul 2026453 AMAQI
25th Jul 2026534 AMAQI

20°C15/25°C

25th Jul 2026515 AMAQI
25th Jul 2026526 AMAQI
25th Jul 2026497 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20264711 AMAQI
25th Jul 20264912 PMAQI
25th Jul 2026491 PMAQI
25th Jul 2026542 PMAQI
25th Jul 2026543 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026565 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026497 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026424 AMAQI

23°C18/28°C

26th Jul 2026405 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026409 AMAQI
26th Jul 20263810 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026409 PMAQI
26th Jul 20264210 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026384 AMAQI

21°C17/26°C

27th Jul 2026385 AMAQI
27th Jul 2026366 AMAQI
27th Jul 2026367 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026379 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026408 PMAQI
27th Jul 2026429 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026404 AMAQI

20°C17/24°C

28th Jul 2026405 AMAQI
28th Jul 2026406 AMAQI
28th Jul 2026407 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20264210 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026341 PMAQI
28th Jul 2026452 PMAQI
28th Jul 2026323 PMAQI
28th Jul 2026364 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026386 PMAQI
28th Jul 2026407 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026403 AMAQI
29th Jul 2026384 AMAQI

20°C15/24°C

29th Jul 2026385 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20263812 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026362 PMAQI
29th Jul 2026483 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026465 PMAQI
29th Jul 2026346 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026328 PMAQI
29th Jul 2026449 PMAQI
29th Jul 20264410 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026321 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026444 AMAQI

18°C17/18°C

30th Jul 2026325 AMAQI
30th Jul 2026426 AMAQI
30th Jul 2026457 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20263010 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264712 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026463 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026426 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026408 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20264011 PMAQI
31st Jul 20263612 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026344 AMAQI

19°C16/23°C

31st Jul 2026405 AMAQI
5 AM
31st Jul 2026386 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026348 AMAQI
31st Jul 2026349 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20265911 AMAQI
31st Jul 20265012 PMAQI
12 PM
31st Jul 2026511 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026514 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026347 PMAQI
31st Jul 2026388 PMAQI
8 PM
31st Jul 2026349 PMAQI
31st Jul 20263410 PMAQI
31st Jul 20263811 PMAQI
12 AM
4 AM

19°C15/24°C

Day time
Avg. Highest Time
9 AM

40AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
10 AM - 5 PM

36AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 40), while the lowest AQI was between 10 AM to 5 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 2 AM

39AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
9 PM - 11 PM

35AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 39), while the lowest AQI was between 9 PM to 11 PM (Avg. 35).

2026 Days Vs Air Quality

Lac Saint Jean, Roberval, Quebec, Canada

2026

95%

198

5%

11

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
198 Days
Moderate
11 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 95%

Health Risk Level:

Very Low

In 2026, 95% of 212 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

Lac Saint Jean, Roberval, Quebec, Canada

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
14AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
12AQI (US)
5th January 2026
28AQI (US)
6th January 2026
31AQI (US)
7th January 2026
38AQI (US)
8th January 2026
56AQI (US)
9th January 2026
35AQI (US)
10th January 2026
21AQI (US)
11th January 2026
12AQI (US)
12th January 2026
10AQI (US)
13th January 2026
19AQI (US)
14th January 2026
20AQI (US)
15th January 2026
16AQI (US)
16th January 2026
18AQI (US)
17th January 2026
40AQI (US)
18th January 2026
19AQI (US)
19th January 2026
18AQI (US)
20th January 2026
19AQI (US)
21st January 2026
22AQI (US)
22nd January 2026
47AQI (US)
23rd January 2026
55AQI (US)
24th January 2026
48AQI (US)
25th January 2026
48AQI (US)
26th January 2026
48AQI (US)
27th January 2026
39AQI (US)
28th January 2026
46AQI (US)
29th January 2026
48AQI (US)
30th January 2026
48AQI (US)
31st January 2026
41AQI (US)
1st February 2026
47AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
57AQI (US)
4th February 2026
76AQI (US)
5th February 2026
55AQI (US)
6th February 2026
39AQI (US)
7th February 2026
33AQI (US)
8th February 2026
44AQI (US)
9th February 2026
44AQI (US)
10th February 2026
43AQI (US)
11th February 2026
39AQI (US)
12th February 2026
37AQI (US)
13th February 2026
46AQI (US)
14th February 2026
45AQI (US)
15th February 2026
36AQI (US)
16th February 2026
42AQI (US)
17th February 2026
44AQI (US)
18th February 2026
40AQI (US)
19th February 2026
40AQI (US)
20th February 2026
38AQI (US)
21st February 2026
36AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
36AQI (US)
24th February 2026
40AQI (US)
25th February 2026
38AQI (US)
26th February 2026
34AQI (US)
27th February 2026
33AQI (US)
28th February 2026
34AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
49AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
44AQI (US)
5th March 2026
40AQI (US)
6th March 2026
33AQI (US)
7th March 2026
42AQI (US)
8th March 2026
40AQI (US)
9th March 2026
38AQI (US)
10th March 2026
33AQI (US)
11th March 2026
39AQI (US)
12th March 2026
41AQI (US)
13th March 2026
37AQI (US)
14th March 2026
35AQI (US)
15th March 2026
33AQI (US)
16th March 2026
34AQI (US)
17th March 2026
32AQI (US)
18th March 2026
30AQI (US)
19th March 2026
35AQI (US)
20th March 2026
39AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
35AQI (US)
23rd March 2026
41AQI (US)
24th March 2026
35AQI (US)
25th March 2026
31AQI (US)
26th March 2026
26AQI (US)
27th March 2026
28AQI (US)
28th March 2026
33AQI (US)
29th March 2026
27AQI (US)
30th March 2026
25AQI (US)
31st March 2026
23AQI (US)
1st April 2026
27AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
26AQI (US)
4th April 2026
29AQI (US)
5th April 2026
27AQI (US)
6th April 2026
27AQI (US)
7th April 2026
25AQI (US)
8th April 2026
30AQI (US)
9th April 2026
27AQI (US)
10th April 2026
30AQI (US)
11th April 2026
30AQI (US)
12th April 2026
25AQI (US)
13th April 2026
29AQI (US)
14th April 2026
32AQI (US)
15th April 2026
33AQI (US)
16th April 2026
28AQI (US)
17th April 2026
18th April 2026
28AQI (US)
19th April 2026
31AQI (US)
20th April 2026
28AQI (US)
21st April 2026
26AQI (US)
22nd April 2026
23rd April 2026
22AQI (US)
24th April 2026
24AQI (US)
25th April 2026
28AQI (US)
26th April 2026
33AQI (US)
27th April 2026
26AQI (US)
28th April 2026
24AQI (US)
29th April 2026
22AQI (US)
30th April 2026
26AQI (US)
1st May 2026
25AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
20AQI (US)
4th May 2026
33AQI (US)
5th May 2026
37AQI (US)
6th May 2026
29AQI (US)
7th May 2026
25AQI (US)
8th May 2026
26AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
26AQI (US)
12th May 2026
24AQI (US)
13th May 2026
25AQI (US)
14th May 2026
22AQI (US)
15th May 2026
45AQI (US)
16th May 2026
52AQI (US)
17th May 2026
56AQI (US)
18th May 2026
57AQI (US)
19th May 2026
54AQI (US)
20th May 2026
51AQI (US)
21st May 2026
45AQI (US)
22nd May 2026
43AQI (US)
23rd May 2026
50AQI (US)
24th May 2026
47AQI (US)
25th May 2026
45AQI (US)
26th May 2026
28AQI (US)
27th May 2026
27AQI (US)
28th May 2026
21AQI (US)
29th May 2026
22AQI (US)
30th May 2026
23AQI (US)
31st May 2026
28AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
25AQI (US)
5th June 2026
26AQI (US)
6th June 2026
25AQI (US)
7th June 2026
21AQI (US)
8th June 2026
25AQI (US)
9th June 2026
25AQI (US)
10th June 2026
27AQI (US)
11th June 2026
27AQI (US)
12th June 2026
26AQI (US)
13th June 2026
24AQI (US)
14th June 2026
22AQI (US)
15th June 2026
25AQI (US)
16th June 2026
27AQI (US)
17th June 2026
27AQI (US)
18th June 2026
26AQI (US)
19th June 2026
23AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
22AQI (US)
25th June 2026
25AQI (US)
26th June 2026
27AQI (US)
27th June 2026
29AQI (US)
28th June 2026
28AQI (US)
29th June 2026
35AQI (US)
30th June 2026
56AQI (US)
1st July 2026
31AQI (US)
2nd July 2026
41AQI (US)
3rd July 2026
35AQI (US)
4th July 2026
31AQI (US)
5th July 2026
28AQI (US)
6th July 2026
29AQI (US)
7th July 2026
31AQI (US)
8th July 2026
28AQI (US)
9th July 2026
41AQI (US)
10th July 2026
40AQI (US)
11th July 2026
27AQI (US)
12th July 2026
33AQI (US)
13th July 2026
47AQI (US)
14th July 2026
37AQI (US)
15th July 2026
46AQI (US)
16th July 2026
36AQI (US)
17th July 2026
31AQI (US)
18th July 2026
50AQI (US)
19th July 2026
41AQI (US)
20th July 2026
39AQI (US)
21st July 2026
43AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
28AQI (US)
24th July 2026
42AQI (US)
25th July 2026
50AQI (US)
26th July 2026
39AQI (US)
27th July 2026
38AQI (US)
28th July 2026
39AQI (US)
29th July 2026
37AQI (US)
30th July 2026
39AQI (US)
31st July 2026
39AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

30AQI (US)

42AQI (US)

35AQI (US)

28AQI (US)

35AQI (US)

26AQI (US)

37AQI (US)

No. of days

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

202633AQI (US)

29
2
25
3
31
28
25
5
29
1
31
198
11

Highest AQI (US) recorded in

February

42AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202525AQI (US)

31
28
31
30
31
28
2
26
5
25
6
30
29
2
30
31
350
15

Highest AQI (US) recorded in

July

34AQI (US)

Lowest AQI (US) recorded in

November

18AQI (US)

202426AQI (US)

31
29
31
29
31
25
4
26
5
24
5
2
28
2
31
30
30
1
345
17
2

Highest AQI (US) recorded in

August

40AQI (US)

Lowest AQI (US) recorded in

November

14AQI (US)

202329AQI (US)

30
28
31
30
31
14
11
5
24
4
3
29
2
25
4
1
31
29
31
333
21
9

Highest AQI (US) recorded in

June

60AQI (US)

Lowest AQI (US) recorded in

December

21AQI (US)

202224AQI (US)

29
22
31
17
31
30
17
4
2
29
30
1
30
31
299
5

Highest AQI (US) recorded in

July

33AQI (US)

Lowest AQI (US) recorded in

November

19AQI (US)

202123AQI (US)

29
28
31
29
31
30
25
6
25
6
30
30
1
30
29
347
13

Highest AQI (US) recorded in

August

35AQI (US)

Lowest AQI (US) recorded in

September

14AQI (US)

202020AQI (US)

13
20
18
28
2
31
31
30
30
30
31
262
2

Highest AQI (US) recorded in

June

27AQI (US)

Lowest AQI (US) recorded in

October

14AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
33AQI (US)
Least Polluted Year Recorded
2020(Avg.)
20AQI (US)

Lac Saint Jean's annual 2026 AQI (US) (33) shows an average percentage change of 36.4% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (23), 2022 (24), 2023 (29), 2024 (26), 2025 (25).