Montmagny, 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
Montmagny, Quebec, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2021
105AQILowest AQI recorded on
23rd Aug 2021
9AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Montmagny, Quebec, Canada
AQI
Day
Night
.
5 AM6th Aug 2025
8 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
1PM6th Aug
39AQI
Avg. Lowest Time
7AM6th Aug
28AQI
Night time
Avg. Highest Time
12AM7th Aug
46AQI
Avg. Lowest Time
9PM6th Aug
33AQI
In the last 24 hours,
Montmagny's AQI reached its highest point of 46 at 12 AM during the Night, while the lowest point, 28, was recorded at 7 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Montmagny, Quebec, Canada
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025235 AMAQI
8th Jul 2025246 AMAQI
8th Jul 2025257 AMAQI
8th Jul 2025258 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252211 AMAQI
8th Jul 20253112 PMAQI
8th Jul 2025261 PMAQI
8th Jul 2025312 PMAQI
8th Jul 2025293 PMAQI
8th Jul 2025294 PMAQI
8th Jul 2025265 PMAQI
8th Jul 2025276 PMAQI
8th Jul 2025267 PMAQI
8th Jul 2025268 PMAQI
8th Jul 2025269 PMAQI
8th Jul 20252710 PMAQI
8th Jul 20252911 PMAQI
9th Jul 20252812 AMAQI
9th Jul 2025281 AMAQI
9th Jul 2025282 AMAQI
9th Jul 2025283 AMAQI
9th Jul 2025294 AMAQI
18°C12/24°C
9th Jul 2025295 AMAQI
9th Jul 2025286 AMAQI
9th Jul 2025277 AMAQI
9th Jul 2025288 AMAQI
9th Jul 2025279 AMAQI
9th Jul 20252710 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025281 PMAQI
9th Jul 2025262 PMAQI
9th Jul 2025243 PMAQI
9th Jul 2025264 PMAQI
9th Jul 2025265 PMAQI
9th Jul 2025276 PMAQI
9th Jul 2025267 PMAQI
9th Jul 2025268 PMAQI
9th Jul 2025279 PMAQI
9th Jul 20252710 PMAQI
9th Jul 20252311 PMAQI
10th Jul 20252412 AMAQI
10th Jul 2025281 AMAQI
10th Jul 2025292 AMAQI
10th Jul 2025283 AMAQI
10th Jul 2025274 AMAQI
21°C16/27°C
10th Jul 2025285 AMAQI
10th Jul 2025306 AMAQI
10th Jul 2025307 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025269 AMAQI
10th Jul 20252810 AMAQI
10th Jul 20252811 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025312 PMAQI
10th Jul 2025283 PMAQI
10th Jul 2025274 PMAQI
10th Jul 2025275 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025307 PMAQI
10th Jul 2025308 PMAQI
10th Jul 2025289 PMAQI
10th Jul 20253010 PMAQI
10th Jul 20253111 PMAQI
11th Jul 20253012 AMAQI
11th Jul 2025301 AMAQI
11th Jul 2025292 AMAQI
11th Jul 2025293 AMAQI
11th Jul 2025284 AMAQI
19°C16/23°C
11th Jul 2025315 AMAQI
11th Jul 2025316 AMAQI
11th Jul 2025317 AMAQI
11th Jul 2025318 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20253310 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025352 PMAQI
11th Jul 2025353 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025335 PMAQI
11th Jul 2025316 PMAQI
11th Jul 2025327 PMAQI
11th Jul 2025328 PMAQI
11th Jul 2025319 PMAQI
11th Jul 20253010 PMAQI
11th Jul 20252911 PMAQI
12th Jul 20253012 AMAQI
12th Jul 2025301 AMAQI
12th Jul 2025302 AMAQI
12th Jul 2025343 AMAQI
12th Jul 2025334 AMAQI
19°C14/24°C
12th Jul 2025345 AMAQI
12th Jul 2025366 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025348 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025374 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025347 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253310 PMAQI
12th Jul 20253411 PMAQI
13th Jul 20253512 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025364 AMAQI
22°C15/28°C
13th Jul 2025365 AMAQI
13th Jul 2025366 AMAQI
13th Jul 2025367 AMAQI
13th Jul 2025358 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253511 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025381 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025373 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025396 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025438 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253411 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025321 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025284 AMAQI
22°C17/27°C
14th Jul 2025285 AMAQI
14th Jul 2025246 AMAQI
14th Jul 2025287 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254312 PMAQI
14th Jul 2025371 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025433 PMAQI
14th Jul 2025354 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253011 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025291 AMAQI
15th Jul 2025312 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025264 AMAQI
23°C19/27°C
15th Jul 2025345 AMAQI
15th Jul 2025406 AMAQI
15th Jul 2025367 AMAQI
15th Jul 2025368 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20253410 AMAQI
15th Jul 20253511 AMAQI
15th Jul 20253612 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025482 PMAQI
15th Jul 2025493 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025482 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
23°C16/29°C
16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255611 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025583 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025519 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025494 AMAQI
24°C16/31°C
17th Jul 2025485 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254312 PMAQI
17th Jul 2025451 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20253311 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025282 AMAQI
18th Jul 2025163 AMAQI
18th Jul 2025154 AMAQI
20°C18/21°C
18th Jul 2025155 AMAQI
18th Jul 2025146 AMAQI
18th Jul 2025167 AMAQI
18th Jul 2025168 AMAQI
18th Jul 2025189 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252811 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025284 AMAQI
19°C10/25°C
19th Jul 2025295 AMAQI
19th Jul 2025306 AMAQI
19th Jul 2025327 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025382 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025404 AMAQI
18°C11/23°C
20th Jul 2025405 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025449 AMAQI
20th Jul 20254910 AMAQI
20th Jul 20254711 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025441 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025453 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254110 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20254012 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025392 AMAQI
21st Jul 2025323 AMAQI
21st Jul 2025304 AMAQI
18°C15/22°C
21st Jul 2025295 AMAQI
21st Jul 2025286 AMAQI
21st Jul 2025277 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025218 PMAQI
21st Jul 2025219 PMAQI
21st Jul 20252010 PMAQI
21st Jul 20251811 PMAQI
22nd Jul 20251912 AMAQI
22nd Jul 2025191 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025164 AMAQI
15°C10/20°C
22nd Jul 2025165 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025157 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025161 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20252311 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025242 AMAQI
23rd Jul 2025323 AMAQI
23rd Jul 2025364 AMAQI
16°C8/22°C
23rd Jul 2025335 AMAQI
23rd Jul 2025326 AMAQI
23rd Jul 2025297 AMAQI
23rd Jul 2025298 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025263 AMAQI
24th Jul 2025254 AMAQI
17°C11/23°C
24th Jul 2025265 AMAQI
24th Jul 2025276 AMAQI
24th Jul 2025247 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253111 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025324 AMAQI
21°C14/27°C
25th Jul 2025335 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025431 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025534 AMAQI
22°C15/27°C
26th Jul 2025585 AMAQI
26th Jul 2025626 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025498 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025519 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025554 AMAQI
19°C10/27°C
27th Jul 2025565 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025569 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255712 PMAQI
27th Jul 2025591 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025653 PMAQI
27th Jul 2025644 PMAQI
27th Jul 2025605 PMAQI
27th Jul 2025596 PMAQI
27th Jul 2025617 PMAQI
27th Jul 2025648 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025581 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025554 AMAQI
22°C16/28°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20255810 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20256112 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025576 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20255910 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025573 AMAQI
29th Jul 2025584 AMAQI
22°C16/27°C
29th Jul 2025575 AMAQI
29th Jul 2025576 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025567 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025533 AMAQI
30th Jul 2025554 AMAQI
21°C13/26°C
30th Jul 2025525 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20256111 AMAQI
30th Jul 20255912 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025632 PMAQI
30th Jul 2025663 PMAQI
30th Jul 2025644 PMAQI
30th Jul 2025635 PMAQI
30th Jul 2025636 PMAQI
30th Jul 2025637 PMAQI
30th Jul 2025638 PMAQI
30th Jul 2025639 PMAQI
30th Jul 20256310 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025604 AMAQI
19°C14/24°C
31st Jul 2025575 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025649 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20254811 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025337 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025261 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025264 AMAQI
16°C12/20°C
1st Aug 2025275 AMAQI
1st Aug 2025226 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20252811 AMAQI
1st Aug 20252112 PMAQI
1st Aug 2025201 PMAQI
1st Aug 2025262 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025255 PMAQI
1st Aug 2025216 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025198 PMAQI
1st Aug 2025209 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025293 AMAQI
2nd Aug 2025264 AMAQI
14°C8/19°C
2nd Aug 2025265 AMAQI
2nd Aug 2025266 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252511 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025231 PMAQI
2nd Aug 2025242 PMAQI
2nd Aug 2025243 PMAQI
2nd Aug 2025254 PMAQI
2nd Aug 2025355 PMAQI
2nd Aug 2025366 PMAQI
2nd Aug 2025367 PMAQI
2nd Aug 2025288 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253611 PMAQI
3rd Aug 20254112 AMAQI
3rd Aug 2025431 AMAQI
3rd Aug 2025482 AMAQI
3rd Aug 2025573 AMAQI
3rd Aug 2025564 AMAQI
15°C9/21°C
3rd Aug 2025545 AMAQI
3rd Aug 2025516 AMAQI
3rd Aug 2025497 AMAQI
3rd Aug 2025468 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256712 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025742 PMAQI
3rd Aug 2025743 PMAQI
3rd Aug 2025854 PMAQI
3rd Aug 2025925 PMAQI
3rd Aug 2025896 PMAQI
3rd Aug 2025967 PMAQI
3rd Aug 2025948 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20257410 PMAQI
3rd Aug 20258211 PMAQI
4th Aug 20257612 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025642 AMAQI
4th Aug 2025643 AMAQI
4th Aug 2025624 AMAQI
18°C11/25°C
4th Aug 2025655 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025637 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256611 AMAQI
4th Aug 20256612 PMAQI
4th Aug 2025661 PMAQI
4th Aug 2025592 PMAQI
4th Aug 2025503 PMAQI
4th Aug 2025424 PMAQI
4th Aug 2025365 PMAQI
4th Aug 2025416 PMAQI
4th Aug 2025387 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025769 PMAQI
4th Aug 20256210 PMAQI
4th Aug 20254211 PMAQI
5th Aug 20254612 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025424 AMAQI
17°C13/21°C
5th Aug 2025375 AMAQI
5th Aug 2025316 AMAQI
5th Aug 2025317 AMAQI
5th Aug 2025288 AMAQI
5th Aug 2025269 AMAQI
5th Aug 20252610 AMAQI
5th Aug 20253111 AMAQI
5th Aug 20253512 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025262 PMAQI
5th Aug 2025263 PMAQI
5th Aug 2025234 PMAQI
5th Aug 2025245 PMAQI
5th Aug 2025266 PMAQI
5th Aug 2025267 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025289 PMAQI
5th Aug 20252610 PMAQI
5th Aug 20252711 PMAQI
6th Aug 20252812 AMAQI
6th Aug 2025341 AMAQI
6th Aug 2025342 AMAQI
6th Aug 2025323 AMAQI
6th Aug 2025324 AMAQI
16°C10/21°C
6th Aug 2025285 AMAQI
6th Aug 2025296 AMAQI
6th Aug 2025287 AMAQI
6th Aug 2025308 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025391 PMAQI
6th Aug 2025332 PMAQI
6th Aug 2025323 PMAQI
6th Aug 2025324 PMAQI
6th Aug 2025325 PMAQI
6th Aug 2025316 PMAQI
6th Aug 2025297 PMAQI
6th Aug 2025348 PMAQI
6th Aug 2025339 PMAQI
6th Aug 20253610 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025411 AMAQI
7th Aug 2025412 AMAQI
7th Aug 2025353 AMAQI
7th Aug 2025344 AMAQI
18°C11/24°C
7th Aug 2025345 AMAQI
5 AM7th Aug 2025376 AMAQI
7th Aug 2025357 AMAQI
7th Aug 2025368 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20253911 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 8 PM
39AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 8 AM
38AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 8 PM (Avg. 39), while the lowest AQI was between 5 AM to 8 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM
38AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
38AQI
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. 38), while the lowest AQI was between 12 AM to 11 PM (Avg. 38).
2025 Days Vs Air Quality
Montmagny, Quebec, Canada
2025
96%
209
4%
9
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
209 DaysModerate
9 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 219 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
Montmagny, 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
22AQI
22AQI
2nd January 2025
18AQI
18AQI
3rd January 2025
20AQI
20AQI
4th January 2025
20AQI
20AQI
5th January 2025
20AQI
20AQI
6th January 2025
21AQI
21AQI
7th January 2025
19AQI
19AQI
8th January 2025
19AQI
19AQI
9th January 2025
21AQI
21AQI
10th January 2025
22AQI
22AQI
11th January 2025
26AQI
26AQI
12th January 2025
33AQI
33AQI
13th January 2025
36AQI
36AQI
14th January 2025
29AQI
29AQI
15th January 2025
21AQI
21AQI
16th January 2025
22AQI
22AQI
17th January 2025
37AQI
37AQI
18th January 2025
32AQI
32AQI
19th January 2025
26AQI
26AQI
20th January 2025
21AQI
21AQI
21st January 2025
27AQI
27AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
32AQI
32AQI
24th January 2025
41AQI
41AQI
25th January 2025
33AQI
33AQI
26th January 2025
39AQI
39AQI
27th January 2025
24AQI
24AQI
28th January 2025
26AQI
26AQI
29th January 2025
26AQI
26AQI
30th January 2025
24AQI
24AQI
31st January 2025
32AQI
32AQI
1st February 2025
22AQI
22AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
26AQI
26AQI
4th February 2025
22AQI
22AQI
5th February 2025
22AQI
22AQI
6th February 2025
28AQI
28AQI
7th February 2025
28AQI
28AQI
8th February 2025
22AQI
22AQI
9th February 2025
22AQI
22AQI
10th February 2025
23AQI
23AQI
11th February 2025
27AQI
27AQI
12th February 2025
28AQI
28AQI
13th February 2025
24AQI
24AQI
14th February 2025
21AQI
21AQI
15th February 2025
22AQI
22AQI
16th February 2025
23AQI
23AQI
17th February 2025
19AQI
19AQI
18th February 2025
19AQI
19AQI
19th February 2025
19AQI
19AQI
20th February 2025
22AQI
22AQI
21st February 2025
26AQI
26AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
43AQI
43AQI
24th February 2025
26AQI
26AQI
25th February 2025
40AQI
40AQI
26th February 2025
31AQI
31AQI
27th February 2025
24AQI
24AQI
28th February 2025
24AQI
24AQI
1st March 2025
23AQI
23AQI
2nd March 2025
22AQI
22AQI
3rd March 2025
24AQI
24AQI
4th March 2025
37AQI
37AQI
5th March 2025
32AQI
32AQI
6th March 2025
21AQI
21AQI
7th March 2025
21AQI
21AQI
8th March 2025
23AQI
23AQI
9th March 2025
26AQI
26AQI
10th March 2025
23AQI
23AQI
11th March 2025
26AQI
26AQI
12th March 2025
22AQI
22AQI
13th March 2025
19AQI
19AQI
14th March 2025
22AQI
22AQI
15th March 2025
25AQI
25AQI
16th March 2025
34AQI
34AQI
17th March 2025
19AQI
19AQI
18th March 2025
17AQI
17AQI
19th March 2025
19AQI
19AQI
20th March 2025
18AQI
18AQI
21st March 2025
17AQI
17AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
18AQI
18AQI
24th March 2025
19AQI
19AQI
25th March 2025
22AQI
22AQI
26th March 2025
24AQI
24AQI
27th March 2025
24AQI
24AQI
28th March 2025
20AQI
20AQI
29th March 2025
20AQI
20AQI
30th March 2025
22AQI
22AQI
31st March 2025
20AQI
20AQI
1st April 2025
18AQI
18AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
18AQI
18AQI
4th April 2025
22AQI
22AQI
5th April 2025
21AQI
21AQI
6th April 2025
17AQI
17AQI
7th April 2025
20AQI
20AQI
8th April 2025
19AQI
19AQI
9th April 2025
16AQI
16AQI
10th April 2025
18AQI
18AQI
11th April 2025
21AQI
21AQI
12th April 2025
25AQI
25AQI
13th April 2025
20AQI
20AQI
14th April 2025
19AQI
19AQI
15th April 2025
19AQI
19AQI
16th April 2025
16AQI
16AQI
17th April 2025
18AQI
18AQI
18th April 2025
20AQI
20AQI
19th April 2025
22AQI
22AQI
20th April 2025
18AQI
18AQI
21st April 2025
16AQI
16AQI
22nd April 2025
17AQI
17AQI
23rd April 2025
12AQI
12AQI
24th April 2025
13AQI
13AQI
25th April 2025
17AQI
17AQI
26th April 2025
16AQI
16AQI
27th April 2025
11AQI
11AQI
28th April 2025
17AQI
17AQI
29th April 2025
21AQI
21AQI
30th April 2025
17AQI
17AQI
1st May 2025
16AQI
16AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
19AQI
19AQI
4th May 2025
17AQI
17AQI
5th May 2025
16AQI
16AQI
6th May 2025
18AQI
18AQI
7th May 2025
18AQI
18AQI
8th May 2025
14AQI
14AQI
9th May 2025
14AQI
14AQI
10th May 2025
14AQI
14AQI
11th May 2025
15AQI
15AQI
12th May 2025
18AQI
18AQI
13th May 2025
17AQI
17AQI
14th May 2025
28AQI
28AQI
15th May 2025
31AQI
31AQI
16th May 2025
34AQI
34AQI
17th May 2025
22AQI
22AQI
18th May 2025
13AQI
13AQI
19th May 2025
12AQI
12AQI
20th May 2025
14AQI
14AQI
21st May 2025
16AQI
16AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
14AQI
14AQI
24th May 2025
11AQI
11AQI
25th May 2025
12AQI
12AQI
26th May 2025
18AQI
18AQI
27th May 2025
25AQI
25AQI
28th May 2025
26AQI
26AQI
29th May 2025
29AQI
29AQI
30th May 2025
26AQI
26AQI
31st May 2025
22AQI
22AQI
1st June 2025
12AQI
12AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
22AQI
22AQI
4th June 2025
31AQI
31AQI
5th June 2025
38AQI
38AQI
6th June 2025
49AQI
49AQI
7th June 2025
59AQI
59AQI
8th June 2025
43AQI
43AQI
9th June 2025
50AQI
50AQI
10th June 2025
47AQI
47AQI
11th June 2025
46AQI
46AQI
12th June 2025
48AQI
48AQI
13th June 2025
21AQI
21AQI
14th June 2025
21AQI
21AQI
15th June 2025
21AQI
21AQI
16th June 2025
25AQI
25AQI
17th June 2025
34AQI
34AQI
18th June 2025
22AQI
22AQI
19th June 2025
32AQI
32AQI
20th June 2025
19AQI
19AQI
21st June 2025
27AQI
27AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
34AQI
34AQI
24th June 2025
34AQI
34AQI
25th June 2025
29AQI
29AQI
26th June 2025
18AQI
18AQI
27th June 2025
23AQI
23AQI
28th June 2025
24AQI
24AQI
29th June 2025
18AQI
18AQI
30th June 2025
26AQI
26AQI
1st July 2025
33AQI
33AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
30AQI
30AQI
4th July 2025
24AQI
24AQI
5th July 2025
24AQI
24AQI
6th July 2025
27AQI
27AQI
7th July 2025
27AQI
27AQI
8th July 2025
26AQI
26AQI
9th July 2025
27AQI
27AQI
10th July 2025
29AQI
29AQI
11th July 2025
31AQI
31AQI
12th July 2025
35AQI
35AQI
13th July 2025
37AQI
37AQI
14th July 2025
33AQI
33AQI
15th July 2025
37AQI
37AQI
16th July 2025
52AQI
52AQI
17th July 2025
45AQI
45AQI
18th July 2025
22AQI
22AQI
19th July 2025
32AQI
32AQI
20th July 2025
40AQI
40AQI
21st July 2025
26AQI
26AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
28AQI
28AQI
24th July 2025
29AQI
29AQI
25th July 2025
35AQI
35AQI
26th July 2025
52AQI
52AQI
27th July 2025
57AQI
57AQI
28th July 2025
58AQI
58AQI
29th July 2025
56AQI
56AQI
30th July 2025
59AQI
59AQI
31st July 2025
46AQI
46AQI
1st August 2025
24AQI
24AQI
2nd August 2025
29AQI
29AQI
3rd August 2025
66AQI
66AQI
4th August 2025
57AQI
57AQI
5th August 2025
32AQI
32AQI
6th August 2025
32AQI
32AQI
27AQI
25AQI
23AQI
18AQI
19AQI
31AQI
36AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202526AQI
31
28
31
30
31
29
1
25
6
4
2
209
9
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
April18AQI
202424AQI
31
29
31
29
31
28
1
30
1
23
8
30
31
30
31
354
10
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November17AQI
202328AQI
31
28
31
30
31
23
6
1
19
12
31
25
5
27
4
29
31
336
27
1
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
November22AQI
202223AQI
30
22
31
18
31
30
20
1
2
29
30
30
31
304
1
Highest AQI recorded in
July26AQI
Lowest AQI recorded in
June20AQI
202123AQI
30
28
31
29
31
28
2
25
5
1
26
4
1
30
31
30
29
348
11
2
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
November18AQI
202022AQI
13
21
18
30
30
1
31
30
31
29
1
31
264
2
Highest AQI recorded in
July28AQI
Lowest AQI recorded in
September17AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
28AQILeast Polluted Year Recorded
2020(Avg.)
22AQIMontmagny's annual 2025 AQI (26) shows an average percentage change of 7.7% (worsened AQI) compared to previous years: 2020 (22), 2021 (23), 2022 (23), 2023 (28), 2024 (24).
