Quebec City, 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
Quebec City, Quebec, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2021
102AQILowest AQI recorded on
2nd Aug 2022
17AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Quebec City, Quebec, Canada
AQI
Day
Night
.
5 AM6th Aug 2025
8 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
12PM6th Aug
34AQI
Avg. Lowest Time
5PM6th Aug
28AQI
Night time
Avg. Highest Time
1AM7th Aug
40AQI
Avg. Lowest Time
9PM6th Aug
31AQI
In the last 24 hours,
Quebec City's AQI reached its highest point of 40 at 1 AM during the Night, while the lowest point, 28, was recorded at 5 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Quebec City, 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 2025255 AMAQI
8th Jul 2025256 AMAQI
8th Jul 2025267 AMAQI
8th Jul 2025268 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252611 AMAQI
8th Jul 20252612 PMAQI
8th Jul 2025261 PMAQI
8th Jul 2025262 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025274 PMAQI
8th Jul 2025265 PMAQI
8th Jul 2025266 PMAQI
8th Jul 2025267 PMAQI
8th Jul 2025268 PMAQI
8th Jul 2025259 PMAQI
8th Jul 20252510 PMAQI
8th Jul 20252611 PMAQI
9th Jul 20252712 AMAQI
9th Jul 2025271 AMAQI
9th Jul 2025292 AMAQI
9th Jul 2025333 AMAQI
9th Jul 2025304 AMAQI
19°C13/26°C
9th Jul 2025305 AMAQI
9th Jul 2025306 AMAQI
9th Jul 2025297 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025299 AMAQI
9th Jul 20252910 AMAQI
9th Jul 20253011 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025311 PMAQI
9th Jul 2025302 PMAQI
9th Jul 2025303 PMAQI
9th Jul 2025304 PMAQI
9th Jul 2025305 PMAQI
9th Jul 2025296 PMAQI
9th Jul 2025307 PMAQI
9th Jul 2025308 PMAQI
9th Jul 2025309 PMAQI
9th Jul 20253010 PMAQI
9th Jul 20252911 PMAQI
10th Jul 20253012 AMAQI
10th Jul 2025311 AMAQI
10th Jul 2025322 AMAQI
10th Jul 2025353 AMAQI
10th Jul 2025344 AMAQI
21°C13/29°C
10th Jul 2025345 AMAQI
10th Jul 2025336 AMAQI
10th Jul 2025337 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253412 PMAQI
10th Jul 2025331 PMAQI
10th Jul 2025322 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025344 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025336 PMAQI
10th Jul 2025337 PMAQI
10th Jul 2025348 PMAQI
10th Jul 2025349 PMAQI
10th Jul 20253310 PMAQI
10th Jul 20253211 PMAQI
11th Jul 20253212 AMAQI
11th Jul 2025341 AMAQI
11th Jul 2025332 AMAQI
11th Jul 2025303 AMAQI
11th Jul 2025284 AMAQI
20°C16/25°C
11th Jul 2025295 AMAQI
11th Jul 2025306 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025338 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253411 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025332 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025358 PMAQI
11th Jul 2025339 PMAQI
11th Jul 20253310 PMAQI
11th Jul 20253211 PMAQI
12th Jul 20253212 AMAQI
12th Jul 2025321 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025333 AMAQI
12th Jul 2025344 AMAQI
21°C16/29°C
12th Jul 2025335 AMAQI
12th Jul 2025336 AMAQI
12th Jul 2025347 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025349 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025354 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025346 PMAQI
12th Jul 2025347 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025369 PMAQI
12th Jul 20253510 PMAQI
12th Jul 20253511 PMAQI
13th Jul 20253412 AMAQI
13th Jul 2025361 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025393 AMAQI
13th Jul 2025384 AMAQI
24°C15/32°C
13th Jul 2025385 AMAQI
13th Jul 2025386 AMAQI
13th Jul 2025377 AMAQI
13th Jul 2025388 AMAQI
13th Jul 2025379 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025375 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025378 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20253610 PMAQI
13th Jul 20253511 PMAQI
14th Jul 20253412 AMAQI
14th Jul 2025341 AMAQI
14th Jul 2025332 AMAQI
14th Jul 2025253 AMAQI
14th Jul 2025284 AMAQI
23°C19/30°C
14th Jul 2025285 AMAQI
14th Jul 2025286 AMAQI
14th Jul 2025287 AMAQI
14th Jul 2025308 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20253110 AMAQI
14th Jul 20253111 AMAQI
14th Jul 20253112 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025334 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253111 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025301 AMAQI
15th Jul 2025312 AMAQI
15th Jul 2025273 AMAQI
15th Jul 2025284 AMAQI
25°C21/29°C
15th Jul 2025375 AMAQI
15th Jul 2025436 AMAQI
15th Jul 2025367 AMAQI
15th Jul 2025378 AMAQI
15th Jul 2025359 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025359 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253511 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025352 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025434 AMAQI
24°C17/29°C
16th Jul 2025415 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025427 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20254311 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025403 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025453 AMAQI
17th Jul 2025454 AMAQI
25°C18/32°C
17th Jul 2025465 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025457 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20254211 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025423 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025415 PMAQI
17th Jul 2025416 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20253712 AMAQI
18th Jul 2025371 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025234 AMAQI
21°C20/23°C
18th Jul 2025215 AMAQI
18th Jul 2025216 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252711 PMAQI
19th Jul 20252712 AMAQI
19th Jul 2025271 AMAQI
19th Jul 2025282 AMAQI
19th Jul 2025283 AMAQI
19th Jul 2025284 AMAQI
19°C13/24°C
19th Jul 2025295 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025312 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025312 AMAQI
20th Jul 2025403 AMAQI
20th Jul 2025444 AMAQI
19°C13/27°C
20th Jul 2025415 AMAQI
20th Jul 2025376 AMAQI
20th Jul 2025367 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20254910 AMAQI
20th Jul 20254911 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025416 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025372 AMAQI
21st Jul 2025373 AMAQI
21st Jul 2025274 AMAQI
19°C15/23°C
21st Jul 2025245 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025217 AMAQI
21st Jul 2025218 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252112 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025224 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025239 PMAQI
21st Jul 20252310 PMAQI
21st Jul 20252211 PMAQI
22nd Jul 20252212 AMAQI
22nd Jul 2025211 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025164 AMAQI
16°C11/23°C
22nd Jul 2025175 AMAQI
22nd Jul 2025176 AMAQI
22nd Jul 2025167 AMAQI
22nd Jul 2025168 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251812 PMAQI
22nd Jul 2025171 PMAQI
22nd Jul 2025182 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025196 PMAQI
22nd Jul 2025197 PMAQI
22nd Jul 2025198 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251810 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252112 AMAQI
23rd Jul 2025211 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025283 AMAQI
23rd Jul 2025314 AMAQI
17°C9/23°C
23rd Jul 2025325 AMAQI
23rd Jul 2025316 AMAQI
23rd Jul 2025287 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025261 AMAQI
24th Jul 2025252 AMAQI
24th Jul 2025233 AMAQI
24th Jul 2025234 AMAQI
19°C12/24°C
24th Jul 2025235 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025247 AMAQI
24th Jul 2025238 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20252411 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025312 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025287 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025373 AMAQI
25th Jul 2025384 AMAQI
24°C16/32°C
25th Jul 2025375 AMAQI
25th Jul 2025376 AMAQI
25th Jul 2025377 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025404 AMAQI
23°C20/30°C
26th Jul 2025435 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025499 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20254711 AMAQI
26th Jul 20255012 PMAQI
26th Jul 2025461 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025474 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025497 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025564 AMAQI
21°C11/29°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20255310 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025557 PMAQI
27th Jul 2025558 PMAQI
27th Jul 2025559 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255511 PMAQI
28th Jul 20255512 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025524 AMAQI
23°C15/29°C
28th Jul 2025535 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025579 AMAQI
28th Jul 20255710 AMAQI
28th Jul 20255711 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025591 PMAQI
28th Jul 2025582 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025557 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025564 AMAQI
23°C18/30°C
29th Jul 2025565 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025578 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025472 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025564 AMAQI
23°C16/28°C
30th Jul 2025535 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255710 AMAQI
30th Jul 20255811 AMAQI
30th Jul 20255612 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025592 PMAQI
30th Jul 2025613 PMAQI
30th Jul 2025604 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20256010 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025574 AMAQI
21°C17/28°C
31st Jul 2025575 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025499 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20253111 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025312 AMAQI
1st Aug 2025313 AMAQI
1st Aug 2025284 AMAQI
18°C12/22°C
1st Aug 2025265 AMAQI
1st Aug 2025246 AMAQI
1st Aug 2025217 AMAQI
1st Aug 2025188 AMAQI
1st Aug 2025189 AMAQI
1st Aug 20251810 AMAQI
1st Aug 20251811 AMAQI
1st Aug 20251812 PMAQI
1st Aug 2025171 PMAQI
1st Aug 2025172 PMAQI
1st Aug 2025183 PMAQI
1st Aug 2025184 PMAQI
1st Aug 2025195 PMAQI
1st Aug 2025186 PMAQI
1st Aug 2025177 PMAQI
1st Aug 2025178 PMAQI
1st Aug 2025189 PMAQI
1st Aug 20251910 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025411 AMAQI
2nd Aug 2025412 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025344 AMAQI
17°C8/22°C
2nd Aug 2025335 AMAQI
2nd Aug 2025326 AMAQI
2nd Aug 2025287 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252510 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252612 PMAQI
2nd Aug 2025241 PMAQI
2nd Aug 2025202 PMAQI
2nd Aug 2025253 PMAQI
2nd Aug 2025244 PMAQI
2nd Aug 2025375 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025417 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025492 AMAQI
3rd Aug 2025653 AMAQI
3rd Aug 2025564 AMAQI
17°C8/24°C
3rd Aug 2025515 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025409 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256812 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025732 PMAQI
3rd Aug 2025783 PMAQI
3rd Aug 2025864 PMAQI
3rd Aug 2025895 PMAQI
3rd Aug 2025866 PMAQI
3rd Aug 2025857 PMAQI
3rd Aug 2025768 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20256810 PMAQI
3rd Aug 20256811 PMAQI
4th Aug 20256612 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025554 AMAQI
21°C14/30°C
4th Aug 2025605 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025518 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20257310 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025552 PMAQI
4th Aug 2025493 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025516 PMAQI
4th Aug 2025557 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025719 PMAQI
4th Aug 20256210 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025501 AMAQI
5th Aug 2025512 AMAQI
5th Aug 2025473 AMAQI
5th Aug 2025434 AMAQI
20°C16/26°C
5th Aug 2025405 AMAQI
5th Aug 2025356 AMAQI
5th Aug 2025327 AMAQI
5th Aug 2025298 AMAQI
5th Aug 2025279 AMAQI
5th Aug 20252810 AMAQI
5th Aug 20252911 AMAQI
5th Aug 20252912 PMAQI
5th Aug 2025261 PMAQI
5th Aug 2025262 PMAQI
5th Aug 2025243 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025245 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025237 PMAQI
5th Aug 2025238 PMAQI
5th Aug 2025309 PMAQI
5th Aug 20252710 PMAQI
5th Aug 20252711 PMAQI
6th Aug 20253012 AMAQI
6th Aug 2025331 AMAQI
6th Aug 2025342 AMAQI
6th Aug 2025343 AMAQI
6th Aug 2025304 AMAQI
19°C10/26°C
6th Aug 2025315 AMAQI
6th Aug 2025296 AMAQI
6th Aug 2025297 AMAQI
6th Aug 2025308 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025341 PMAQI
6th Aug 2025332 PMAQI
6th Aug 2025313 PMAQI
6th Aug 2025304 PMAQI
6th Aug 2025285 PMAQI
6th Aug 2025296 PMAQI
6th Aug 2025297 PMAQI
6th Aug 2025298 PMAQI
6th Aug 2025319 PMAQI
6th Aug 20253210 PMAQI
6th Aug 20253611 PMAQI
7th Aug 20253712 AMAQI
7th Aug 2025401 AMAQI
7th Aug 2025392 AMAQI
7th Aug 2025363 AMAQI
7th Aug 2025354 AMAQI
20°C10/28°C
7th Aug 2025335 AMAQI
5 AM7th Aug 2025326 AMAQI
7th Aug 2025317 AMAQI
7th Aug 2025328 AMAQI
7th Aug 2025349 AMAQI
7th Aug 20253510 AMAQI
7th Aug 20253511 AMAQI
7th Aug 20253812 PMAQI
12 PM7th Aug 2025381 PMAQI
7th Aug 2025382 PMAQI
7th Aug 2025383 PMAQI
7th Aug 2025384 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
37AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
37AQI
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. 37), while the lowest AQI was between 5 AM to 8 PM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 11 PM
37AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
37AQI
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. 37), while the lowest AQI was between 12 AM to 11 PM (Avg. 37).
2025 Days Vs Air Quality
Quebec City, Quebec, Canada
2025
94%
206
6%
12
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
206 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% 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
Quebec City, 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
30AQI
30AQI
2nd January 2025
22AQI
22AQI
3rd January 2025
23AQI
23AQI
4th January 2025
23AQI
23AQI
5th January 2025
24AQI
24AQI
6th January 2025
26AQI
26AQI
7th January 2025
23AQI
23AQI
8th January 2025
21AQI
21AQI
9th January 2025
24AQI
24AQI
10th January 2025
27AQI
27AQI
11th January 2025
41AQI
41AQI
12th January 2025
36AQI
36AQI
13th January 2025
49AQI
49AQI
14th January 2025
44AQI
44AQI
15th January 2025
22AQI
22AQI
16th January 2025
29AQI
29AQI
17th January 2025
53AQI
53AQI
18th January 2025
49AQI
49AQI
19th January 2025
27AQI
27AQI
20th January 2025
36AQI
36AQI
21st January 2025
50AQI
50AQI
22nd January 2025
65AQI
65AQI
23rd January 2025
58AQI
58AQI
24th January 2025
46AQI
46AQI
25th January 2025
46AQI
46AQI
26th January 2025
50AQI
50AQI
27th January 2025
32AQI
32AQI
28th January 2025
29AQI
29AQI
29th January 2025
34AQI
34AQI
30th January 2025
28AQI
28AQI
31st January 2025
32AQI
32AQI
1st February 2025
24AQI
24AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
30AQI
30AQI
4th February 2025
24AQI
24AQI
5th February 2025
22AQI
22AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
25AQI
25AQI
9th February 2025
33AQI
33AQI
10th February 2025
28AQI
28AQI
11th February 2025
42AQI
42AQI
12th February 2025
38AQI
38AQI
13th February 2025
32AQI
32AQI
14th February 2025
24AQI
24AQI
15th February 2025
22AQI
22AQI
16th February 2025
33AQI
33AQI
17th February 2025
23AQI
23AQI
18th February 2025
23AQI
23AQI
19th February 2025
21AQI
21AQI
20th February 2025
25AQI
25AQI
21st February 2025
24AQI
24AQI
22nd February 2025
23AQI
23AQI
23rd February 2025
37AQI
37AQI
24th February 2025
29AQI
29AQI
25th February 2025
43AQI
43AQI
26th February 2025
33AQI
33AQI
27th February 2025
36AQI
36AQI
28th February 2025
29AQI
29AQI
1st March 2025
26AQI
26AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
25AQI
25AQI
4th March 2025
39AQI
39AQI
5th March 2025
42AQI
42AQI
6th March 2025
21AQI
21AQI
7th March 2025
23AQI
23AQI
8th March 2025
24AQI
24AQI
9th March 2025
25AQI
25AQI
10th March 2025
22AQI
22AQI
11th March 2025
31AQI
31AQI
12th March 2025
22AQI
22AQI
13th March 2025
29AQI
29AQI
14th March 2025
40AQI
40AQI
15th March 2025
32AQI
32AQI
16th March 2025
38AQI
38AQI
17th March 2025
27AQI
27AQI
18th March 2025
22AQI
22AQI
19th March 2025
21AQI
21AQI
20th March 2025
28AQI
28AQI
21st March 2025
19AQI
19AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
17AQI
17AQI
24th March 2025
22AQI
22AQI
25th March 2025
23AQI
23AQI
26th March 2025
24AQI
24AQI
27th March 2025
21AQI
21AQI
28th March 2025
21AQI
21AQI
29th March 2025
18AQI
18AQI
30th March 2025
22AQI
22AQI
31st March 2025
23AQI
23AQI
1st April 2025
19AQI
19AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
19AQI
19AQI
4th April 2025
23AQI
23AQI
5th April 2025
22AQI
22AQI
6th April 2025
21AQI
21AQI
7th April 2025
22AQI
22AQI
8th April 2025
23AQI
23AQI
9th April 2025
17AQI
17AQI
10th April 2025
19AQI
19AQI
11th April 2025
30AQI
30AQI
12th April 2025
26AQI
26AQI
13th April 2025
24AQI
24AQI
14th April 2025
23AQI
23AQI
15th April 2025
20AQI
20AQI
16th April 2025
17AQI
17AQI
17th April 2025
17AQI
17AQI
18th April 2025
18AQI
18AQI
19th April 2025
19AQI
19AQI
20th April 2025
15AQI
15AQI
21st April 2025
14AQI
14AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
14AQI
14AQI
24th April 2025
15AQI
15AQI
25th April 2025
18AQI
18AQI
26th April 2025
16AQI
16AQI
27th April 2025
12AQI
12AQI
28th April 2025
18AQI
18AQI
29th April 2025
26AQI
26AQI
30th April 2025
16AQI
16AQI
1st May 2025
17AQI
17AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
20AQI
20AQI
4th May 2025
20AQI
20AQI
5th May 2025
18AQI
18AQI
6th May 2025
20AQI
20AQI
7th May 2025
20AQI
20AQI
8th May 2025
16AQI
16AQI
9th May 2025
15AQI
15AQI
10th May 2025
18AQI
18AQI
11th May 2025
16AQI
16AQI
12th May 2025
20AQI
20AQI
13th May 2025
21AQI
21AQI
14th May 2025
27AQI
27AQI
15th May 2025
30AQI
30AQI
16th May 2025
33AQI
33AQI
17th May 2025
26AQI
26AQI
18th May 2025
16AQI
16AQI
19th May 2025
15AQI
15AQI
20th May 2025
18AQI
18AQI
21st May 2025
18AQI
18AQI
22nd May 2025
17AQI
17AQI
23rd May 2025
18AQI
18AQI
24th May 2025
12AQI
12AQI
25th May 2025
13AQI
13AQI
26th May 2025
20AQI
20AQI
27th May 2025
25AQI
25AQI
28th May 2025
26AQI
26AQI
29th May 2025
31AQI
31AQI
30th May 2025
25AQI
25AQI
31st May 2025
29AQI
29AQI
1st June 2025
18AQI
18AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
22AQI
22AQI
4th June 2025
33AQI
33AQI
5th June 2025
37AQI
37AQI
6th June 2025
52AQI
52AQI
7th June 2025
53AQI
53AQI
8th June 2025
49AQI
49AQI
9th June 2025
49AQI
49AQI
10th June 2025
51AQI
51AQI
11th June 2025
49AQI
49AQI
12th June 2025
48AQI
48AQI
13th June 2025
26AQI
26AQI
14th June 2025
25AQI
25AQI
15th June 2025
25AQI
25AQI
16th June 2025
28AQI
28AQI
17th June 2025
35AQI
35AQI
18th June 2025
23AQI
23AQI
19th June 2025
35AQI
35AQI
20th June 2025
24AQI
24AQI
21st June 2025
28AQI
28AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
32AQI
32AQI
24th June 2025
35AQI
35AQI
25th June 2025
36AQI
36AQI
26th June 2025
26AQI
26AQI
27th June 2025
24AQI
24AQI
28th June 2025
20AQI
20AQI
29th June 2025
18AQI
18AQI
30th June 2025
25AQI
25AQI
1st July 2025
31AQI
31AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
30AQI
30AQI
4th July 2025
24AQI
24AQI
5th July 2025
25AQI
25AQI
6th July 2025
27AQI
27AQI
7th July 2025
31AQI
31AQI
8th July 2025
26AQI
26AQI
9th July 2025
29AQI
29AQI
10th July 2025
33AQI
33AQI
11th July 2025
33AQI
33AQI
12th July 2025
34AQI
34AQI
13th July 2025
36AQI
36AQI
14th July 2025
31AQI
31AQI
15th July 2025
34AQI
34AQI
16th July 2025
41AQI
41AQI
17th July 2025
43AQI
43AQI
18th July 2025
26AQI
26AQI
19th July 2025
30AQI
30AQI
20th July 2025
39AQI
39AQI
21st July 2025
25AQI
25AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
26AQI
26AQI
24th July 2025
26AQI
26AQI
25th July 2025
34AQI
34AQI
26th July 2025
46AQI
46AQI
27th July 2025
54AQI
54AQI
28th July 2025
56AQI
56AQI
29th July 2025
54AQI
54AQI
30th July 2025
57AQI
57AQI
31st July 2025
41AQI
41AQI
1st August 2025
22AQI
22AQI
2nd August 2025
34AQI
34AQI
3rd August 2025
62AQI
62AQI
4th August 2025
58AQI
58AQI
5th August 2025
32AQI
32AQI
6th August 2025
31AQI
31AQI
35AQI
29AQI
26AQI
19AQI
21AQI
32AQI
34AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
28
3
28
31
30
31
27
3
27
4
4
2
206
12
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
April19AQI
202429AQI
30
1
28
1
31
30
31
30
29
2
23
8
29
1
31
30
27
4
349
17
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
November19AQI
202339AQI
31
22
6
26
5
30
29
2
9
19
2
15
16
26
5
19
11
27
4
28
1
28
3
290
72
2
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
November29AQI
202230AQI
25
5
20
2
30
1
30
31
30
25
3
30
29
1
26
4
29
2
308
15
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
August21AQI
202132AQI
26
4
25
3
29
2
28
1
31
29
1
25
6
23
7
1
30
31
29
1
30
336
25
1
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
September21AQI
202029AQI
13
21
18
27
3
31
31
30
31
25
5
27
4
254
12
Highest AQI recorded in
November35AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2025(Avg.)
28AQIQuebec City's annual 2025 AQI (28) shows an average percentage change of -9.7% (improved AQI) compared to previous years: 2020 (29), 2021 (32), 2022 (30), 2023 (39), 2024 (29).
