Sainte Cecile de Masham, 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
Sainte Cecile de Masham, Quebec, Canada
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2025
89AQILowest AQI recorded on
1st Aug 2025
22AQISame Day Analysis (5th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Sainte Cecile de Masham, Quebec, Canada
AQI
Day
Night
.
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
Day time
Avg. Highest Time
5AM5th Aug
33AQI
Avg. Lowest Time
6PM5th Aug
26AQI
Night time
Avg. Highest Time
9PM5th Aug
38AQI
Avg. Lowest Time
4AM6th Aug
28AQI
In the last 24 hours,
Sainte Cecile de Masham's AQI reached its highest point of 38 at 9 PM during the Night, while the lowest point, 26, was recorded at 6 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sainte Cecile de Masham, 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 - 06th06th
Day
Night
7th Jul 2025425 AMAQI
7th Jul 2025386 AMAQI
7th Jul 2025347 AMAQI
7th Jul 2025328 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20252811 AMAQI
7th Jul 20252912 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025262 PMAQI
7th Jul 2025263 PMAQI
7th Jul 2025254 PMAQI
7th Jul 2025305 PMAQI
7th Jul 2025276 PMAQI
7th Jul 2025277 PMAQI
7th Jul 2025268 PMAQI
7th Jul 2025269 PMAQI
7th Jul 20252710 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20253012 AMAQI
8th Jul 2025311 AMAQI
8th Jul 2025312 AMAQI
8th Jul 2025253 AMAQI
8th Jul 2025274 AMAQI
19°C17/21°C
8th Jul 2025265 AMAQI
8th Jul 2025266 AMAQI
8th Jul 2025277 AMAQI
8th Jul 2025288 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20252912 PMAQI
8th Jul 2025301 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025304 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025308 PMAQI
8th Jul 2025279 PMAQI
8th Jul 20252810 PMAQI
8th Jul 20252811 PMAQI
9th Jul 20252812 AMAQI
9th Jul 2025281 AMAQI
9th Jul 2025282 AMAQI
9th Jul 2025283 AMAQI
9th Jul 2025284 AMAQI
21°C16/26°C
9th Jul 2025305 AMAQI
9th Jul 2025306 AMAQI
9th Jul 2025287 AMAQI
9th Jul 2025298 AMAQI
9th Jul 2025289 AMAQI
9th Jul 20253010 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20253112 PMAQI
9th Jul 2025321 PMAQI
9th Jul 2025302 PMAQI
9th Jul 2025303 PMAQI
9th Jul 2025304 PMAQI
9th Jul 2025345 PMAQI
9th Jul 2025336 PMAQI
9th Jul 2025307 PMAQI
9th Jul 2025328 PMAQI
9th Jul 2025299 PMAQI
9th Jul 20252910 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20252712 AMAQI
10th Jul 2025301 AMAQI
10th Jul 2025302 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025304 AMAQI
22°C16/29°C
10th Jul 2025325 AMAQI
10th Jul 2025316 AMAQI
10th Jul 2025317 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025319 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253211 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025342 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025374 PMAQI
10th Jul 2025375 PMAQI
10th Jul 2025396 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025339 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253611 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025361 AMAQI
11th Jul 2025382 AMAQI
11th Jul 2025393 AMAQI
11th Jul 2025424 AMAQI
23°C18/30°C
11th Jul 2025415 AMAQI
11th Jul 2025396 AMAQI
11th Jul 2025407 AMAQI
11th Jul 2025388 AMAQI
11th Jul 2025399 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20253911 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025434 PMAQI
11th Jul 2025435 PMAQI
11th Jul 2025416 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025399 PMAQI
11th Jul 20253910 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20254012 AMAQI
12th Jul 2025431 AMAQI
12th Jul 2025442 AMAQI
12th Jul 2025483 AMAQI
12th Jul 2025474 AMAQI
23°C16/30°C
12th Jul 2025485 AMAQI
12th Jul 2025446 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025468 AMAQI
12th Jul 2025489 AMAQI
12th Jul 20254910 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025459 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025442 AMAQI
13th Jul 2025403 AMAQI
13th Jul 2025404 AMAQI
26°C19/34°C
13th Jul 2025415 AMAQI
13th Jul 2025416 AMAQI
13th Jul 2025407 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20253611 PMAQI
14th Jul 20253412 AMAQI
14th Jul 2025411 AMAQI
14th Jul 2025492 AMAQI
14th Jul 2025453 AMAQI
14th Jul 2025484 AMAQI
25°C21/28°C
14th Jul 2025525 AMAQI
14th Jul 2025496 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025549 AMAQI
14th Jul 20255510 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025572 PMAQI
14th Jul 2025573 PMAQI
14th Jul 2025544 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025624 AMAQI
25°C19/31°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025758 AMAQI
15th Jul 2025649 AMAQI
15th Jul 20256310 AMAQI
15th Jul 20256411 AMAQI
15th Jul 20256612 PMAQI
15th Jul 2025641 PMAQI
15th Jul 2025632 PMAQI
15th Jul 2025653 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025635 PMAQI
15th Jul 2025596 PMAQI
15th Jul 2025607 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20256210 PMAQI
15th Jul 20256011 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025621 AMAQI
16th Jul 2025612 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025584 AMAQI
25°C17/32°C
16th Jul 2025605 AMAQI
16th Jul 2025616 AMAQI
16th Jul 2025627 AMAQI
16th Jul 2025648 AMAQI
16th Jul 2025659 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256211 AMAQI
16th Jul 20256112 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025634 PMAQI
16th Jul 2025635 PMAQI
16th Jul 2025656 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025658 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20256112 AMAQI
17th Jul 2025611 AMAQI
17th Jul 2025622 AMAQI
17th Jul 2025633 AMAQI
17th Jul 2025624 AMAQI
27°C17/35°C
17th Jul 2025635 AMAQI
17th Jul 2025616 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025539 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025224 AMAQI
22°C16/28°C
18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025239 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20253111 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025302 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025344 AMAQI
20°C12/28°C
19th Jul 2025335 AMAQI
19th Jul 2025366 AMAQI
19th Jul 2025377 AMAQI
19th Jul 2025388 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20253710 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025441 PMAQI
19th Jul 2025452 PMAQI
19th Jul 2025443 PMAQI
19th Jul 2025414 PMAQI
19th Jul 2025415 PMAQI
19th Jul 2025426 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025343 AMAQI
20th Jul 2025314 AMAQI
21°C14/29°C
20th Jul 2025305 AMAQI
20th Jul 2025296 AMAQI
20th Jul 2025287 AMAQI
20th Jul 2025278 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025447 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025484 AMAQI
21°C16/25°C
21st Jul 2025375 AMAQI
21st Jul 2025326 AMAQI
21st Jul 2025277 AMAQI
21st Jul 2025268 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025163 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025249 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025184 AMAQI
17°C13/20°C
22nd Jul 2025175 AMAQI
22nd Jul 2025166 AMAQI
22nd Jul 2025177 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251711 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025163 PMAQI
22nd Jul 2025184 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025178 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20251811 PMAQI
23rd Jul 20251812 AMAQI
23rd Jul 2025181 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025194 AMAQI
16°C6/23°C
23rd Jul 2025195 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025198 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252011 AMAQI
23rd Jul 20251912 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025204 PMAQI
23rd Jul 2025205 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025208 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025234 AMAQI
20°C12/25°C
24th Jul 2025235 AMAQI
24th Jul 2025256 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253312 PMAQI
24th Jul 2025361 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025364 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253312 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025314 AMAQI
26°C15/35°C
25th Jul 2025315 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253310 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253512 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025332 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025354 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025452 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025584 AMAQI
25°C21/31°C
26th Jul 2025585 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025597 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025625 PMAQI
26th Jul 2025616 PMAQI
26th Jul 2025597 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025612 AMAQI
27th Jul 2025613 AMAQI
27th Jul 2025604 AMAQI
24°C16/32°C
27th Jul 2025625 AMAQI
27th Jul 2025616 AMAQI
27th Jul 2025627 AMAQI
27th Jul 2025638 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255910 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025581 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025576 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025583 AMAQI
28th Jul 2025594 AMAQI
25°C19/33°C
28th Jul 2025585 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025587 AMAQI
28th Jul 2025588 AMAQI
28th Jul 2025599 AMAQI
28th Jul 20255910 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025595 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025473 AMAQI
29th Jul 2025444 AMAQI
27°C17/35°C
29th Jul 2025425 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254312 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025577 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025511 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025594 AMAQI
24°C20/27°C
30th Jul 2025575 AMAQI
30th Jul 2025596 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025598 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256112 PMAQI
30th Jul 2025611 PMAQI
30th Jul 2025622 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025614 PMAQI
30th Jul 2025615 PMAQI
30th Jul 2025616 PMAQI
30th Jul 2025617 PMAQI
30th Jul 2025618 PMAQI
30th Jul 2025619 PMAQI
30th Jul 20256110 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20256112 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025633 AMAQI
31st Jul 2025654 AMAQI
23°C17/29°C
31st Jul 2025725 AMAQI
31st Jul 2025736 AMAQI
31st Jul 2025697 AMAQI
31st Jul 2025688 AMAQI
31st Jul 2025669 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025272 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025234 AMAQI
19°C14/25°C
1st Aug 2025195 AMAQI
1st Aug 2025206 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252110 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20251912 PMAQI
1st Aug 2025161 PMAQI
1st Aug 2025162 PMAQI
1st Aug 2025163 PMAQI
1st Aug 2025164 PMAQI
1st Aug 2025175 PMAQI
1st Aug 2025176 PMAQI
1st Aug 2025167 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20252010 PMAQI
1st Aug 20252011 PMAQI
2nd Aug 20252012 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025222 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025224 AMAQI
18°C10/25°C
2nd Aug 2025245 AMAQI
2nd Aug 2025246 AMAQI
2nd Aug 2025237 AMAQI
2nd Aug 2025238 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252310 AMAQI
2nd Aug 20252911 AMAQI
2nd Aug 20254312 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025783 PMAQI
2nd Aug 2025734 PMAQI
2nd Aug 2025795 PMAQI
2nd Aug 2025756 PMAQI
2nd Aug 2025817 PMAQI
2nd Aug 2025778 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20258411 PMAQI
3rd Aug 20257912 AMAQI
3rd Aug 2025811 AMAQI
3rd Aug 2025862 AMAQI
3rd Aug 2025943 AMAQI
3rd Aug 2025774 AMAQI
20°C10/29°C
3rd Aug 2025845 AMAQI
3rd Aug 2025826 AMAQI
3rd Aug 2025787 AMAQI
3rd Aug 2025748 AMAQI
3rd Aug 2025779 AMAQI
3rd Aug 20257710 AMAQI
3rd Aug 20257811 AMAQI
3rd Aug 20258012 PMAQI
3rd Aug 2025841 PMAQI
3rd Aug 2025922 PMAQI
3rd Aug 20251063 PMAQI
3rd Aug 2025924 PMAQI
3rd Aug 20251075 PMAQI
3rd Aug 20251386 PMAQI
3rd Aug 20251067 PMAQI
3rd Aug 20251008 PMAQI
3rd Aug 2025839 PMAQI
3rd Aug 20259010 PMAQI
3rd Aug 202510911 PMAQI
4th Aug 202510712 AMAQI
4th Aug 2025941 AMAQI
4th Aug 2025982 AMAQI
4th Aug 2025823 AMAQI
4th Aug 2025684 AMAQI
23°C15/31°C
4th Aug 2025905 AMAQI
4th Aug 20251026 AMAQI
4th Aug 20251007 AMAQI
4th Aug 2025838 AMAQI
4th Aug 2025969 AMAQI
4th Aug 20259910 AMAQI
4th Aug 20259311 AMAQI
4th Aug 20258112 PMAQI
4th Aug 2025811 PMAQI
4th Aug 2025832 PMAQI
4th Aug 2025803 PMAQI
4th Aug 2025714 PMAQI
4th Aug 2025655 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025869 PMAQI
4th Aug 20257010 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025471 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
5th Aug 2025344 AMAQI
22°C17/28°C
5th Aug 2025335 AMAQI
5th Aug 2025326 AMAQI
5th Aug 2025317 AMAQI
5th Aug 2025288 AMAQI
5th Aug 2025289 AMAQI
5th Aug 20253010 AMAQI
5th Aug 20252811 AMAQI
5th Aug 20252612 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025282 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025284 PMAQI
5th Aug 2025335 PMAQI
5th Aug 2025266 PMAQI
5th Aug 2025287 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025389 PMAQI
5th Aug 20252810 PMAQI
5th Aug 20252811 PMAQI
6th Aug 20252912 AMAQI
6th Aug 2025281 AMAQI
6th Aug 2025282 AMAQI
6th Aug 2025283 AMAQI
6th Aug 2025284 AMAQI
21°C14/28°C
6th Aug 2025275 AMAQI
5 AM6th Aug 2025306 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025248 AMAQI
6th Aug 2025259 AMAQI
6th Aug 20252710 AMAQI
6th Aug 20252911 AMAQI
6th Aug 20252912 PMAQI
12 PM6th Aug 2025281 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025273 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
43AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
43AQI
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. 43), while the lowest AQI was between 5 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
43AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
43AQI
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. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Sainte Cecile de Masham, Quebec, Canada
2025
88%
116
12%
16
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
116 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 218 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
Sainte Cecile de Masham, 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 March 2025
18AQI
18AQI
2nd March 2025
18AQI
18AQI
3rd March 2025
17AQI
17AQI
4th March 2025
18AQI
18AQI
5th March 2025
19AQI
19AQI
1st April 2025
15AQI
15AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
18AQI
18AQI
6th April 2025
18AQI
18AQI
7th April 2025
18AQI
18AQI
8th April 2025
17AQI
17AQI
9th April 2025
16AQI
16AQI
10th April 2025
20AQI
20AQI
11th April 2025
24AQI
24AQI
12th April 2025
24AQI
24AQI
13th April 2025
22AQI
22AQI
14th April 2025
24AQI
24AQI
15th April 2025
19AQI
19AQI
16th April 2025
14AQI
14AQI
17th April 2025
15AQI
15AQI
18th April 2025
23AQI
23AQI
19th April 2025
38AQI
38AQI
20th April 2025
14AQI
14AQI
21st April 2025
15AQI
15AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
13AQI
13AQI
24th April 2025
19AQI
19AQI
25th April 2025
19AQI
19AQI
26th April 2025
15AQI
15AQI
27th April 2025
12AQI
12AQI
28th April 2025
16AQI
16AQI
29th April 2025
24AQI
24AQI
30th April 2025
14AQI
14AQI
1st May 2025
18AQI
18AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
13AQI
13AQI
4th May 2025
16AQI
16AQI
5th May 2025
16AQI
16AQI
6th May 2025
19AQI
19AQI
7th May 2025
19AQI
19AQI
8th May 2025
14AQI
14AQI
9th May 2025
16AQI
16AQI
10th May 2025
17AQI
17AQI
11th May 2025
14AQI
14AQI
12th May 2025
19AQI
19AQI
13th May 2025
26AQI
26AQI
14th May 2025
26AQI
26AQI
15th May 2025
23AQI
23AQI
16th May 2025
26AQI
26AQI
17th May 2025
31AQI
31AQI
18th May 2025
14AQI
14AQI
19th May 2025
11AQI
11AQI
20th May 2025
12AQI
12AQI
21st May 2025
17AQI
17AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
13AQI
13AQI
24th May 2025
11AQI
11AQI
25th May 2025
16AQI
16AQI
26th May 2025
18AQI
18AQI
27th May 2025
21AQI
21AQI
28th May 2025
23AQI
23AQI
29th May 2025
19AQI
19AQI
30th May 2025
20AQI
20AQI
31st May 2025
23AQI
23AQI
1st June 2025
12AQI
12AQI
2nd June 2025
15AQI
15AQI
3rd June 2025
27AQI
27AQI
4th June 2025
49AQI
49AQI
5th June 2025
53AQI
53AQI
6th June 2025
54AQI
54AQI
7th June 2025
65AQI
65AQI
8th June 2025
62AQI
62AQI
9th June 2025
59AQI
59AQI
10th June 2025
46AQI
46AQI
11th June 2025
54AQI
54AQI
12th June 2025
55AQI
55AQI
13th June 2025
26AQI
26AQI
14th June 2025
22AQI
22AQI
15th June 2025
26AQI
26AQI
16th June 2025
33AQI
33AQI
17th June 2025
33AQI
33AQI
18th June 2025
29AQI
29AQI
19th June 2025
32AQI
32AQI
20th June 2025
20AQI
20AQI
21st June 2025
26AQI
26AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
40AQI
40AQI
24th June 2025
47AQI
47AQI
25th June 2025
39AQI
39AQI
26th June 2025
27AQI
27AQI
27th June 2025
23AQI
23AQI
28th June 2025
25AQI
25AQI
29th June 2025
22AQI
22AQI
30th June 2025
31AQI
31AQI
1st July 2025
32AQI
32AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
43AQI
43AQI
4th July 2025
27AQI
27AQI
5th July 2025
29AQI
29AQI
6th July 2025
47AQI
47AQI
7th July 2025
35AQI
35AQI
8th July 2025
29AQI
29AQI
9th July 2025
29AQI
29AQI
10th July 2025
33AQI
33AQI
11th July 2025
40AQI
40AQI
12th July 2025
46AQI
46AQI
13th July 2025
41AQI
41AQI
14th July 2025
48AQI
48AQI
15th July 2025
59AQI
59AQI
16th July 2025
62AQI
62AQI
17th July 2025
50AQI
50AQI
18th July 2025
24AQI
24AQI
19th July 2025
37AQI
37AQI
20th July 2025
34AQI
34AQI
21st July 2025
29AQI
29AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
19AQI
19AQI
24th July 2025
29AQI
29AQI
25th July 2025
34AQI
34AQI
26th July 2025
51AQI
51AQI
27th July 2025
59AQI
59AQI
28th July 2025
58AQI
58AQI
29th July 2025
50AQI
50AQI
30th July 2025
58AQI
58AQI
31st July 2025
52AQI
52AQI
1st August 2025
22AQI
22AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
89AQI
89AQI
4th August 2025
85AQI
85AQI
5th August 2025
39AQI
39AQI
18AQI
19AQI
18AQI
36AQI
40AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
5
30
31
23
7
24
7
3
2
116
16
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
March18AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
29AQILeast Polluted Year Recorded
2025(Avg.)
29AQISainte Cecile de Masham's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
