Saint Jean sur Richelieu, 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
Saint Jean sur Richelieu, Quebec, Canada
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
75AQILowest AQI recorded on
18th Aug 2025
15AQISame Day Analysis (5th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Saint Jean sur Richelieu, Quebec, Canada
AQI
Day
Night
.
5 AM4th Aug 2026
8 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
6AM4th Aug
74AQI
Avg. Lowest Time
2PM4th Aug
23AQI
Night time
Avg. Highest Time
2AM5th Aug
46AQI
Avg. Lowest Time
3AM5th Aug
21AQI
In the last 24 hours,
Saint Jean sur Richelieu's AQI reached its highest point of 74 at 6 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Saint Jean sur Richelieu, Quebec, Canada
JulAug
07th - 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
7th Jul 2026315 AMAQI
7th Jul 2026316 AMAQI
7th Jul 2026277 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20263010 AMAQI
7th Jul 20262811 AMAQI
7th Jul 20263212 PMAQI
7th Jul 2026291 PMAQI
7th Jul 2026282 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026304 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026346 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026299 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262911 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026251 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026264 AMAQI
25°C19/32°C
8th Jul 2026275 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026257 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026322 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026285 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026267 PMAQI
8th Jul 2026258 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026323 AMAQI
9th Jul 2026284 AMAQI
25°C17/33°C
9th Jul 2026275 AMAQI
9th Jul 2026306 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20262811 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026202 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026284 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026279 PMAQI
9th Jul 20262510 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262412 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026324 AMAQI
24°C20/31°C
10th Jul 2026325 AMAQI
10th Jul 2026316 AMAQI
10th Jul 2026307 AMAQI
10th Jul 2026338 AMAQI
10th Jul 2026329 AMAQI
10th Jul 20263410 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026351 PMAQI
10th Jul 2026352 PMAQI
10th Jul 2026293 PMAQI
10th Jul 2026354 PMAQI
10th Jul 2026405 PMAQI
10th Jul 2026356 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026428 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262811 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026281 AMAQI
11th Jul 2026252 AMAQI
11th Jul 2026293 AMAQI
11th Jul 2026324 AMAQI
23°C19/29°C
11th Jul 2026315 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026388 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263411 AMAQI
11th Jul 20263812 PMAQI
11th Jul 2026361 PMAQI
11th Jul 2026322 PMAQI
11th Jul 2026303 PMAQI
11th Jul 2026314 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026336 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026348 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026242 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026564 AMAQI
21°C14/29°C
12th Jul 2026325 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026438 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20266211 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026312 PMAQI
12th Jul 2026273 PMAQI
12th Jul 2026444 PMAQI
12th Jul 2026385 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026247 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20262310 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262112 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026383 AMAQI
13th Jul 2026424 AMAQI
23°C14/31°C
13th Jul 2026425 AMAQI
13th Jul 2026406 AMAQI
13th Jul 2026427 AMAQI
13th Jul 2026388 AMAQI
13th Jul 2026419 AMAQI
13th Jul 20264710 AMAQI
13th Jul 20264411 AMAQI
13th Jul 20264812 PMAQI
13th Jul 2026301 PMAQI
13th Jul 2026362 PMAQI
13th Jul 2026393 PMAQI
13th Jul 2026384 PMAQI
13th Jul 2026375 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026367 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026369 PMAQI
13th Jul 20263610 PMAQI
13th Jul 20263211 PMAQI
14th Jul 20262712 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026343 AMAQI
14th Jul 2026364 AMAQI
23°C15/32°C
14th Jul 2026355 AMAQI
14th Jul 2026336 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026328 AMAQI
14th Jul 2026389 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263911 AMAQI
14th Jul 20264012 PMAQI
14th Jul 2026371 PMAQI
14th Jul 2026362 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026275 PMAQI
14th Jul 2026346 PMAQI
14th Jul 2026457 PMAQI
14th Jul 2026568 PMAQI
14th Jul 2026569 PMAQI
14th Jul 20262810 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026512 AMAQI
15th Jul 2026423 AMAQI
15th Jul 2026724 AMAQI
26°C20/34°C
15th Jul 2026605 AMAQI
15th Jul 2026566 AMAQI
15th Jul 2026607 AMAQI
15th Jul 2026648 AMAQI
15th Jul 2026609 AMAQI
15th Jul 20266410 AMAQI
15th Jul 20266011 AMAQI
15th Jul 20265812 PMAQI
15th Jul 2026491 PMAQI
15th Jul 2026502 PMAQI
15th Jul 2026523 PMAQI
15th Jul 2026364 PMAQI
15th Jul 2026345 PMAQI
15th Jul 2026326 PMAQI
15th Jul 2026327 PMAQI
15th Jul 2026318 PMAQI
15th Jul 2026329 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262811 PMAQI
16th Jul 20263412 AMAQI
16th Jul 2026381 AMAQI
16th Jul 2026402 AMAQI
16th Jul 2026303 AMAQI
16th Jul 2026304 AMAQI
25°C21/31°C
16th Jul 2026345 AMAQI
16th Jul 2026366 AMAQI
16th Jul 2026547 AMAQI
16th Jul 2026568 AMAQI
16th Jul 2026609 AMAQI
16th Jul 20266410 AMAQI
16th Jul 20266411 AMAQI
16th Jul 20263412 PMAQI
16th Jul 2026631 PMAQI
16th Jul 2026312 PMAQI
16th Jul 2026383 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026252 AMAQI
17th Jul 2026273 AMAQI
17th Jul 2026304 AMAQI
22°C18/28°C
17th Jul 2026365 AMAQI
17th Jul 2026506 AMAQI
17th Jul 2026517 AMAQI
17th Jul 2026478 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262710 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20264012 PMAQI
17th Jul 2026401 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026343 PMAQI
17th Jul 2026214 PMAQI
17th Jul 2026215 PMAQI
17th Jul 2026206 PMAQI
17th Jul 2026257 PMAQI
17th Jul 2026328 PMAQI
17th Jul 2026319 PMAQI
17th Jul 20262710 PMAQI
17th Jul 20265811 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026402 AMAQI
18th Jul 2026323 AMAQI
18th Jul 2026404 AMAQI
21°C14/28°C
18th Jul 2026495 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026387 AMAQI
18th Jul 2026288 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026271 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026675 PMAQI
18th Jul 2026626 PMAQI
18th Jul 2026647 PMAQI
18th Jul 2026648 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20266410 PMAQI
18th Jul 20267411 PMAQI
19th Jul 20266412 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026512 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026344 AMAQI
19°C16/23°C
19th Jul 2026405 AMAQI
19th Jul 2026446 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026508 AMAQI
19th Jul 2026429 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026632 PMAQI
19th Jul 2026733 PMAQI
19th Jul 2026714 PMAQI
19th Jul 2026515 PMAQI
19th Jul 2026516 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20262610 PMAQI
19th Jul 20262211 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026692 AMAQI
20th Jul 2026623 AMAQI
20th Jul 2026664 AMAQI
19°C14/24°C
20th Jul 2026425 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026507 AMAQI
20th Jul 2026288 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026343 PMAQI
20th Jul 2026304 PMAQI
20th Jul 2026235 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026388 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20263210 PMAQI
21st Jul 20264012 AMAQI
21st Jul 2026321 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026343 AMAQI
21st Jul 2026344 AMAQI
21°C14/30°C
21st Jul 2026465 AMAQI
21st Jul 2026406 AMAQI
21st Jul 2026467 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20262411 AMAQI
21st Jul 20262712 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026482 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026524 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026487 PMAQI
21st Jul 2026468 PMAQI
21st Jul 2026469 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20264012 AMAQI
22nd Jul 2026441 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026364 AMAQI
23°C17/30°C
22nd Jul 2026405 AMAQI
22nd Jul 2026386 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262111 AMAQI
22nd Jul 20262112 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026243 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026248 PMAQI
22nd Jul 2026159 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20261911 PMAQI
23rd Jul 20261912 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026323 AMAQI
23rd Jul 2026254 AMAQI
19°C14/21°C
23rd Jul 2026215 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026167 AMAQI
23rd Jul 202688 AMAQI
23rd Jul 202689 AMAQI
23rd Jul 20261810 AMAQI
23rd Jul 2026811 AMAQI
23rd Jul 20262612 PMAQI
23rd Jul 2026141 PMAQI
23rd Jul 2026242 PMAQI
23rd Jul 2026183 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026627 PMAQI
23rd Jul 2026248 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026343 AMAQI
24th Jul 2026254 AMAQI
19°C11/28°C
24th Jul 2026255 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026367 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262210 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20262412 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026284 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20264811 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026531 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026513 AMAQI
25th Jul 2026524 AMAQI
22°C14/30°C
25th Jul 2026525 AMAQI
25th Jul 2026526 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026518 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264211 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026401 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026307 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026489 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265511 PMAQI
26th Jul 20264612 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026464 AMAQI
23°C15/33°C
26th Jul 2026445 AMAQI
26th Jul 2026466 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026469 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20265011 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026426 PMAQI
26th Jul 2026447 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026469 PMAQI
26th Jul 20264810 PMAQI
26th Jul 20264811 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026401 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026364 AMAQI
24°C16/33°C
27th Jul 2026445 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026477 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026484 PMAQI
27th Jul 2026485 PMAQI
27th Jul 2026486 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026518 PMAQI
27th Jul 2026489 PMAQI
27th Jul 20265010 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20264812 AMAQI
28th Jul 2026501 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026513 AMAQI
28th Jul 2026484 AMAQI
24°C17/33°C
28th Jul 2026495 AMAQI
28th Jul 2026516 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026528 AMAQI
28th Jul 2026509 AMAQI
28th Jul 20264810 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026511 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026544 PMAQI
28th Jul 2026525 PMAQI
28th Jul 2026556 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20265212 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026502 AMAQI
29th Jul 2026483 AMAQI
29th Jul 2026464 AMAQI
23°C17/31°C
29th Jul 2026485 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026383 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264010 PMAQI
29th Jul 20264011 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026403 AMAQI
30th Jul 2026294 AMAQI
22°C19/30°C
30th Jul 2026235 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026347 PMAQI
30th Jul 2026328 PMAQI
30th Jul 2026329 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20265212 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026492 AMAQI
31st Jul 2026483 AMAQI
31st Jul 2026444 AMAQI
22°C17/28°C
31st Jul 2026445 AMAQI
31st Jul 2026426 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20265410 AMAQI
31st Jul 20265511 AMAQI
31st Jul 20265612 PMAQI
31st Jul 2026571 PMAQI
31st Jul 2026562 PMAQI
31st Jul 2026563 PMAQI
31st Jul 2026514 PMAQI
31st Jul 2026515 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026487 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026489 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026424 AMAQI
23°C17/29°C
1st Aug 2026445 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026517 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264810 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026481 AMAQI
2nd Aug 2026442 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026484 AMAQI
25°C17/32°C
2nd Aug 2026445 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026507 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026448 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20263612 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026324 AMAQI
25°C20/31°C
3rd Aug 2026385 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026328 AMAQI
3rd Aug 2026329 AMAQI
3rd Aug 20263410 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026461 PMAQI
3rd Aug 2026402 PMAQI
3rd Aug 2026403 PMAQI
3rd Aug 2026344 PMAQI
3rd Aug 2026205 PMAQI
3rd Aug 2026136 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026288 PMAQI
3rd Aug 2026229 PMAQI
3rd Aug 20262010 PMAQI
3rd Aug 20265411 PMAQI
4th Aug 20265012 AMAQI
4th Aug 2026281 AMAQI
4th Aug 2026202 AMAQI
4th Aug 2026523 AMAQI
4th Aug 2026444 AMAQI
22°C17/29°C
4th Aug 2026625 AMAQI
4th Aug 2026746 AMAQI
4th Aug 2026627 AMAQI
4th Aug 2026538 AMAQI
4th Aug 2026249 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20264012 PMAQI
4th Aug 2026241 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026633 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026387 PMAQI
4th Aug 2026468 PMAQI
4th Aug 2026329 PMAQI
4th Aug 20262410 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026301 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026213 AMAQI
5th Aug 2026254 AMAQI
23°C16/32°C
5th Aug 2026275 AMAQI
5 AM5th Aug 2026386 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026248 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20265412 PMAQI
12 PM5th Aug 2026341 PMAQI
5th Aug 2026542 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026526 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026518 PMAQI
8 PM5th Aug 2026539 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20265111 PMAQI
12 AM
4 AM
25°C16/34°C
Day time
Avg. Highest Time
5 AM - 7 AM
40AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 PM - 7 PM
36AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 40), while the lowest AQI was between 4 PM to 7 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 9 PM
38AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
10 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 9 PM (Avg. 38), while the lowest AQI was between 10 PM to 10 PM (Avg. 35).
2026 Days Vs Air Quality
Saint Jean sur Richelieu, Quebec, Canada
2026
94%
201
6%
13
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
201 DaysModerate
13 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% 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
Saint Jean sur Richelieu, 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
21AQI (US)
21AQI (US)
2nd January 2026
41AQI (US)
41AQI (US)
3rd January 2026
25AQI (US)
25AQI (US)
4th January 2026
49AQI (US)
49AQI (US)
5th January 2026
43AQI (US)
43AQI (US)
6th January 2026
61AQI (US)
61AQI (US)
7th January 2026
64AQI (US)
64AQI (US)
8th January 2026
68AQI (US)
68AQI (US)
9th January 2026
43AQI (US)
43AQI (US)
10th January 2026
18AQI (US)
18AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
43AQI (US)
43AQI (US)
14th January 2026
37AQI (US)
37AQI (US)
15th January 2026
34AQI (US)
34AQI (US)
16th January 2026
17AQI (US)
17AQI (US)
17th January 2026
41AQI (US)
41AQI (US)
18th January 2026
34AQI (US)
34AQI (US)
19th January 2026
40AQI (US)
40AQI (US)
20th January 2026
24AQI (US)
24AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
45AQI (US)
45AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
47AQI (US)
47AQI (US)
29th January 2026
51AQI (US)
51AQI (US)
30th January 2026
50AQI (US)
50AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
47AQI (US)
47AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
51AQI (US)
51AQI (US)
4th February 2026
54AQI (US)
54AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
40AQI (US)
40AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
46AQI (US)
46AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
52AQI (US)
52AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
41AQI (US)
41AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
43AQI (US)
43AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
43AQI (US)
43AQI (US)
21st February 2026
35AQI (US)
35AQI (US)
22nd February 2026
35AQI (US)
35AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
35AQI (US)
35AQI (US)
27th February 2026
35AQI (US)
35AQI (US)
28th February 2026
38AQI (US)
38AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
46AQI (US)
46AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
39AQI (US)
39AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
45AQI (US)
45AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
38AQI (US)
38AQI (US)
15th March 2026
35AQI (US)
35AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
36AQI (US)
36AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
41AQI (US)
41AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
34AQI (US)
34AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
34AQI (US)
34AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
33AQI (US)
33AQI (US)
2nd April 2026
34AQI (US)
34AQI (US)
3rd April 2026
28AQI (US)
28AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
31AQI (US)
31AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
33AQI (US)
33AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
31AQI (US)
31AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
29AQI (US)
29AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
27AQI (US)
27AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
21AQI (US)
21AQI (US)
4th May 2026
30AQI (US)
30AQI (US)
5th May 2026
32AQI (US)
32AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
33AQI (US)
33AQI (US)
11th May 2026
32AQI (US)
32AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
53AQI (US)
53AQI (US)
17th May 2026
57AQI (US)
57AQI (US)
18th May 2026
58AQI (US)
58AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
49AQI (US)
49AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
43AQI (US)
43AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
20AQI (US)
20AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
19AQI (US)
19AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
24AQI (US)
24AQI (US)
2nd June 2026
26AQI (US)
26AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
24AQI (US)
24AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
24AQI (US)
24AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
22AQI (US)
22AQI (US)
15th June 2026
23AQI (US)
23AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
22AQI (US)
22AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
22AQI (US)
22AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
28AQI (US)
28AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
28AQI (US)
28AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
29AQI (US)
29AQI (US)
3rd July 2026
30AQI (US)
30AQI (US)
4th July 2026
28AQI (US)
28AQI (US)
5th July 2026
27AQI (US)
27AQI (US)
6th July 2026
29AQI (US)
29AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
28AQI (US)
28AQI (US)
9th July 2026
27AQI (US)
27AQI (US)
10th July 2026
33AQI (US)
33AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
34AQI (US)
34AQI (US)
13th July 2026
36AQI (US)
36AQI (US)
14th July 2026
36AQI (US)
36AQI (US)
15th July 2026
46AQI (US)
46AQI (US)
16th July 2026
39AQI (US)
39AQI (US)
17th July 2026
34AQI (US)
34AQI (US)
18th July 2026
45AQI (US)
45AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
41AQI (US)
41AQI (US)
21st July 2026
41AQI (US)
41AQI (US)
22nd July 2026
29AQI (US)
29AQI (US)
23rd July 2026
25AQI (US)
25AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
43AQI (US)
43AQI (US)
26th July 2026
45AQI (US)
45AQI (US)
27th July 2026
44AQI (US)
44AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
40AQI (US)
40AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
50AQI (US)
50AQI (US)
1st August 2026
43AQI (US)
43AQI (US)
2nd August 2026
46AQI (US)
46AQI (US)
3rd August 2026
32AQI (US)
32AQI (US)
4th August 2026
39AQI (US)
39AQI (US)
5th August 2026
37AQI (US)
37AQI (US)
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
40AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
24AQI (US)
36AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
26
5
25
3
30
1
28
26
4
30
31
5
201
13
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202531AQI (US)
5
30
31
25
5
26
5
23
8
30
26
5
26
4
25
6
247
33
Highest AQI (US) recorded in
October40AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
35AQI (US)Least Polluted Year Recorded
2025(Avg.)
31AQI (US)Saint Jean sur Richelieu's annual 2026 AQI (US) (35) shows an average percentage change of 12.9% (worsened AQI (US)) compared to previous years: 2025 (31).
