Montreal, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
July Air Quality Analysis
Montreal, Quebec, Canada
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Jul 2023
112AQILowest AQI recorded on
9th Jul 2022
17AQISame Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Montreal, Quebec, Canada
AQI
Day
Night
.
5 AM28th Jul 2026
8 PM
4 AM29th Jul 2026
Day time
Avg. Highest Time
5PM28th Jul
54AQI
Avg. Lowest Time
8AM28th Jul
48AQI
Night time
Avg. Highest Time
9PM28th Jul
52AQI
Avg. Lowest Time
4AM29th Jul
45AQI
In the last 24 hours,
Montreal's AQI reached its highest point of 54 at 5 PM during the Day, while the lowest point, 45, was recorded at 4 AM during the Night between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Montreal, Quebec, Canada
JunJul
30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th
Day
Night
30th Jun 2026245 AMAQI
30th Jun 2026256 AMAQI
30th Jun 2026247 AMAQI
30th Jun 2026268 AMAQI
30th Jun 2026269 AMAQI
30th Jun 20262610 AMAQI
30th Jun 20262711 AMAQI
30th Jun 20262712 PMAQI
30th Jun 2026281 PMAQI
30th Jun 2026272 PMAQI
30th Jun 2026273 PMAQI
30th Jun 2026264 PMAQI
30th Jun 2026275 PMAQI
30th Jun 2026276 PMAQI
30th Jun 2026277 PMAQI
30th Jun 2026278 PMAQI
30th Jun 2026289 PMAQI
30th Jun 20262410 PMAQI
30th Jun 20262111 PMAQI
1st Jul 20262112 AMAQI
1st Jul 2026261 AMAQI
1st Jul 2026232 AMAQI
1st Jul 2026263 AMAQI
1st Jul 2026264 AMAQI
24°C17/33°C
1st Jul 2026255 AMAQI
1st Jul 2026256 AMAQI
1st Jul 2026267 AMAQI
1st Jul 2026288 AMAQI
1st Jul 2026289 AMAQI
1st Jul 20262810 AMAQI
1st Jul 20262811 AMAQI
1st Jul 20262912 PMAQI
1st Jul 2026291 PMAQI
1st Jul 2026282 PMAQI
1st Jul 2026283 PMAQI
1st Jul 2026274 PMAQI
1st Jul 2026275 PMAQI
1st Jul 2026276 PMAQI
1st Jul 2026277 PMAQI
1st Jul 2026308 PMAQI
1st Jul 2026309 PMAQI
1st Jul 20262310 PMAQI
1st Jul 20262211 PMAQI
2nd Jul 20262112 AMAQI
2nd Jul 2026221 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026243 AMAQI
2nd Jul 2026264 AMAQI
26°C22/34°C
2nd Jul 2026255 AMAQI
2nd Jul 2026226 AMAQI
2nd Jul 2026187 AMAQI
2nd Jul 2026278 AMAQI
2nd Jul 2026289 AMAQI
2nd Jul 20262910 AMAQI
2nd Jul 20262811 AMAQI
2nd Jul 20262812 PMAQI
2nd Jul 2026271 PMAQI
2nd Jul 2026302 PMAQI
2nd Jul 2026273 PMAQI
2nd Jul 2026334 PMAQI
2nd Jul 2026335 PMAQI
2nd Jul 2026486 PMAQI
2nd Jul 2026297 PMAQI
2nd Jul 2026268 PMAQI
2nd Jul 2026349 PMAQI
2nd Jul 20263710 PMAQI
2nd Jul 20262711 PMAQI
3rd Jul 20263012 AMAQI
3rd Jul 2026291 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026283 AMAQI
3rd Jul 2026294 AMAQI
26°C22/33°C
3rd Jul 2026285 AMAQI
3rd Jul 2026286 AMAQI
3rd Jul 2026307 AMAQI
3rd Jul 2026298 AMAQI
3rd Jul 2026299 AMAQI
3rd Jul 20263010 AMAQI
3rd Jul 20263011 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026302 PMAQI
3rd Jul 2026283 PMAQI
3rd Jul 2026304 PMAQI
3rd Jul 2026295 PMAQI
3rd Jul 2026286 PMAQI
3rd Jul 2026287 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026279 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026312 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026284 AMAQI
26°C21/33°C
4th Jul 2026265 AMAQI
4th Jul 2026296 AMAQI
4th Jul 2026277 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026309 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20262911 AMAQI
4th Jul 20262912 PMAQI
4th Jul 2026251 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026276 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026218 PMAQI
4th Jul 2026219 PMAQI
4th Jul 20262010 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262112 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026282 AMAQI
5th Jul 2026273 AMAQI
5th Jul 2026404 AMAQI
24°C20/30°C
5th Jul 2026405 AMAQI
5th Jul 2026266 AMAQI
5th Jul 2026237 AMAQI
5th Jul 2026278 AMAQI
5th Jul 2026249 AMAQI
5th Jul 20262710 AMAQI
5th Jul 20262911 AMAQI
5th Jul 20262912 PMAQI
5th Jul 2026311 PMAQI
5th Jul 2026312 PMAQI
5th Jul 2026253 PMAQI
5th Jul 2026284 PMAQI
5th Jul 2026275 PMAQI
5th Jul 2026276 PMAQI
5th Jul 2026277 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026219 PMAQI
5th Jul 20262110 PMAQI
5th Jul 20262211 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026231 AMAQI
6th Jul 2026362 AMAQI
6th Jul 2026263 AMAQI
6th Jul 2026234 AMAQI
22°C16/30°C
6th Jul 2026225 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026299 AMAQI
6th Jul 20263110 AMAQI
6th Jul 20263011 AMAQI
6th Jul 20263212 PMAQI
6th Jul 2026321 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026323 PMAQI
6th Jul 2026354 PMAQI
6th Jul 2026375 PMAQI
6th Jul 2026346 PMAQI
6th Jul 2026367 PMAQI
6th Jul 2026348 PMAQI
6th Jul 2026279 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262412 AMAQI
7th Jul 2026271 AMAQI
7th Jul 2026312 AMAQI
7th Jul 2026503 AMAQI
7th Jul 2026314 AMAQI
24°C16/32°C
7th Jul 2026305 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026299 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20263212 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026317 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262710 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026303 AMAQI
8th Jul 2026264 AMAQI
25°C19/32°C
8th Jul 2026265 AMAQI
8th Jul 2026216 AMAQI
8th Jul 2026217 AMAQI
8th Jul 2026238 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263112 PMAQI
8th Jul 2026311 PMAQI
8th Jul 2026302 PMAQI
8th Jul 2026303 PMAQI
8th Jul 2026294 PMAQI
8th Jul 2026295 PMAQI
8th Jul 2026306 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026258 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262711 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026252 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026274 AMAQI
25°C18/34°C
9th Jul 2026275 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026277 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263112 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026318 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026324 AMAQI
23°C20/29°C
10th Jul 2026325 AMAQI
10th Jul 2026336 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026338 AMAQI
10th Jul 2026349 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263611 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026361 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026344 PMAQI
10th Jul 2026355 PMAQI
10th Jul 2026356 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20262911 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026261 AMAQI
11th Jul 2026252 AMAQI
11th Jul 2026283 AMAQI
11th Jul 2026324 AMAQI
23°C18/29°C
11th Jul 2026315 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026358 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263311 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026331 PMAQI
11th Jul 2026332 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026314 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026317 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026329 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20262712 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026242 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026604 AMAQI
21°C15/28°C
12th Jul 2026305 AMAQI
12th Jul 2026316 AMAQI
12th Jul 2026297 AMAQI
12th Jul 2026348 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20266111 AMAQI
12th Jul 20263212 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026312 PMAQI
12th Jul 2026283 PMAQI
12th Jul 2026444 PMAQI
12th Jul 2026405 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026247 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262711 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026273 AMAQI
13th Jul 2026384 AMAQI
23°C16/32°C
13th Jul 2026325 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026338 AMAQI
13th Jul 2026359 AMAQI
13th Jul 20264610 AMAQI
13th Jul 20264711 AMAQI
13th Jul 20264612 PMAQI
13th Jul 2026311 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026324 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262212 AMAQI
14th Jul 2026221 AMAQI
14th Jul 2026332 AMAQI
14th Jul 2026343 AMAQI
14th Jul 2026374 AMAQI
24°C17/30°C
14th Jul 2026325 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026338 AMAQI
14th Jul 2026379 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263611 AMAQI
14th Jul 20263812 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026332 PMAQI
14th Jul 2026293 PMAQI
14th Jul 2026334 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026558 PMAQI
14th Jul 2026569 PMAQI
14th Jul 20262710 PMAQI
14th Jul 20262511 PMAQI
15th Jul 20262312 AMAQI
15th Jul 2026231 AMAQI
15th Jul 2026662 AMAQI
15th Jul 2026423 AMAQI
15th Jul 2026534 AMAQI
26°C20/35°C
15th Jul 2026535 AMAQI
15th Jul 2026466 AMAQI
15th Jul 2026447 AMAQI
15th Jul 2026428 AMAQI
15th Jul 2026429 AMAQI
15th Jul 20265710 AMAQI
15th Jul 20264011 AMAQI
15th Jul 20263712 PMAQI
15th Jul 2026401 PMAQI
15th Jul 2026452 PMAQI
15th Jul 2026453 PMAQI
15th Jul 2026314 PMAQI
15th Jul 2026345 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026318 PMAQI
15th Jul 2026329 PMAQI
15th Jul 20262910 PMAQI
15th Jul 20262911 PMAQI
16th Jul 20263412 AMAQI
16th Jul 2026361 AMAQI
16th Jul 2026412 AMAQI
16th Jul 2026263 AMAQI
16th Jul 2026274 AMAQI
24°C20/29°C
16th Jul 2026305 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026507 AMAQI
16th Jul 2026538 AMAQI
16th Jul 2026579 AMAQI
16th Jul 20266010 AMAQI
16th Jul 20266011 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026581 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026383 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026242 AMAQI
17th Jul 2026273 AMAQI
17th Jul 2026364 AMAQI
21°C16/28°C
17th Jul 2026465 AMAQI
17th Jul 2026496 AMAQI
17th Jul 2026507 AMAQI
17th Jul 2026478 AMAQI
17th Jul 2026389 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20263812 PMAQI
17th Jul 2026411 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026383 PMAQI
17th Jul 2026294 PMAQI
17th Jul 2026225 PMAQI
17th Jul 2026226 PMAQI
17th Jul 2026247 PMAQI
17th Jul 2026288 PMAQI
17th Jul 2026349 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20264811 PMAQI
18th Jul 20262712 AMAQI
18th Jul 2026431 AMAQI
18th Jul 2026322 AMAQI
18th Jul 2026293 AMAQI
18th Jul 2026504 AMAQI
20°C13/28°C
18th Jul 2026485 AMAQI
18th Jul 2026386 AMAQI
18th Jul 2026387 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026479 AMAQI
18th Jul 20263810 AMAQI
18th Jul 20263511 AMAQI
18th Jul 20262312 PMAQI
18th Jul 2026521 PMAQI
18th Jul 2026352 PMAQI
18th Jul 2026443 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026585 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026637 PMAQI
18th Jul 2026638 PMAQI
18th Jul 2026619 PMAQI
18th Jul 20267010 PMAQI
18th Jul 20267511 PMAQI
19th Jul 20266512 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026344 AMAQI
19°C17/23°C
19th Jul 2026365 AMAQI
19th Jul 2026446 AMAQI
19th Jul 2026307 AMAQI
19th Jul 2026478 AMAQI
19th Jul 2026429 AMAQI
19th Jul 20263310 AMAQI
19th Jul 20262811 AMAQI
19th Jul 20264812 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026572 PMAQI
19th Jul 2026733 PMAQI
19th Jul 2026614 PMAQI
19th Jul 2026515 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026267 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20266412 AMAQI
20th Jul 2026531 AMAQI
20th Jul 2026672 AMAQI
20th Jul 2026643 AMAQI
20th Jul 2026614 AMAQI
19°C14/24°C
20th Jul 2026435 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026477 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026241 PMAQI
20th Jul 2026412 PMAQI
20th Jul 2026353 PMAQI
20th Jul 2026264 PMAQI
20th Jul 2026245 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026247 PMAQI
20th Jul 2026348 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20263810 PMAQI
21st Jul 20263712 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026242 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026324 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 20263810 AMAQI
21st Jul 20264311 AMAQI
21st Jul 20263612 PMAQI
21st Jul 2026471 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026496 PMAQI
21st Jul 2026477 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026459 PMAQI
21st Jul 20264310 PMAQI
21st Jul 20263911 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026391 AMAQI
22nd Jul 2026392 AMAQI
22nd Jul 2026373 AMAQI
22nd Jul 2026364 AMAQI
22°C17/29°C
22nd Jul 2026335 AMAQI
22nd Jul 2026356 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026248 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026243 PMAQI
22nd Jul 2026334 PMAQI
22nd Jul 2026235 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026207 PMAQI
22nd Jul 2026248 PMAQI
22nd Jul 2026209 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20261711 PMAQI
23rd Jul 20261912 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026244 AMAQI
19°C14/23°C
23rd Jul 2026195 AMAQI
23rd Jul 2026236 AMAQI
23rd Jul 2026187 AMAQI
23rd Jul 2026108 AMAQI
23rd Jul 2026109 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20261311 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026121 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026193 PMAQI
23rd Jul 2026264 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026496 PMAQI
23rd Jul 2026647 PMAQI
23rd Jul 2026348 PMAQI
23rd Jul 2026309 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026301 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026353 AMAQI
24th Jul 2026264 AMAQI
18°C11/27°C
24th Jul 2026255 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026367 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262310 AMAQI
24th Jul 20262411 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026225 PMAQI
24th Jul 2026346 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026368 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20263910 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026451 AMAQI
25th Jul 2026472 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026474 AMAQI
22°C15/29°C
25th Jul 2026465 AMAQI
25th Jul 2026456 AMAQI
25th Jul 2026477 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026499 AMAQI
25th Jul 20264710 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026411 PMAQI
25th Jul 2026412 PMAQI
25th Jul 2026303 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026267 PMAQI
25th Jul 2026268 PMAQI
25th Jul 2026339 PMAQI
25th Jul 20263210 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026451 AMAQI
26th Jul 2026472 AMAQI
26th Jul 2026443 AMAQI
26th Jul 2026464 AMAQI
23°C16/32°C
26th Jul 2026425 AMAQI
26th Jul 2026446 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026439 AMAQI
26th Jul 20264310 AMAQI
26th Jul 20264511 AMAQI
26th Jul 20264512 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026412 PMAQI
26th Jul 2026403 PMAQI
26th Jul 2026394 PMAQI
26th Jul 2026375 PMAQI
26th Jul 2026396 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026328 PMAQI
26th Jul 2026359 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20263111 PMAQI
27th Jul 20263112 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026282 AMAQI
27th Jul 2026303 AMAQI
27th Jul 2026364 AMAQI
24°C17/32°C
27th Jul 2026295 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026397 AMAQI
27th Jul 2026388 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263910 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026411 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026413 PMAQI
27th Jul 2026434 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026436 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026438 PMAQI
27th Jul 2026439 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20264711 PMAQI
28th Jul 20264812 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026452 AMAQI
28th Jul 2026453 AMAQI
28th Jul 2026474 AMAQI
25°C18/33°C
28th Jul 2026485 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026509 AMAQI
28th Jul 20264910 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026545 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026537 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20265011 PMAQI
29th Jul 20265012 AMAQI
29th Jul 2026491 AMAQI
29th Jul 2026502 AMAQI
29th Jul 2026473 AMAQI
29th Jul 2026454 AMAQI
22°C18/29°C
29th Jul 2026405 AMAQI
5 AM29th Jul 2026366 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026358 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263211 AMAQI
29th Jul 20263012 PMAQI
12 PM29th Jul 2026371 PMAQI
29th Jul 2026372 PMAQI
29th Jul 2026443 PMAQI
29th Jul 2026244 PMAQI
29th Jul 2026375 PMAQI
29th Jul 2026396 PMAQI
29th Jul 2026377 PMAQI
29th Jul 2026418 PMAQI
8 PM29th Jul 2026409 PMAQI
29th Jul 20264110 PMAQI
29th Jul 20263711 PMAQI
12 AM
4 AM
22°C19/27°C
Day time
Avg. Highest Time
9 AM - 6 PM
35AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
6 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 6 PM (Avg. 35), while the lowest AQI was between 6 AM to 6 AM (Avg. 33).
Night time
Avg. Highest Time
4 AM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 36), while the lowest AQI was between 12 AM to 12 AM (Avg. 31).
2026 Days Vs Air Quality
Montreal, Quebec, Canada
2026
94%
194
6%
13
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Good
194 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 210 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
Montreal, 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
16AQI (US)
16AQI (US)
2nd January 2026
28AQI (US)
28AQI (US)
3rd January 2026
17AQI (US)
17AQI (US)
4th January 2026
39AQI (US)
39AQI (US)
5th January 2026
39AQI (US)
39AQI (US)
6th January 2026
59AQI (US)
59AQI (US)
7th January 2026
58AQI (US)
58AQI (US)
8th January 2026
62AQI (US)
62AQI (US)
9th January 2026
41AQI (US)
41AQI (US)
10th January 2026
16AQI (US)
16AQI (US)
11th January 2026
16AQI (US)
16AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
46AQI (US)
46AQI (US)
14th January 2026
38AQI (US)
38AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
14AQI (US)
14AQI (US)
17th January 2026
36AQI (US)
36AQI (US)
18th January 2026
32AQI (US)
32AQI (US)
19th January 2026
39AQI (US)
39AQI (US)
20th January 2026
21AQI (US)
21AQI (US)
21st January 2026
24AQI (US)
24AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
54AQI (US)
54AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
46AQI (US)
46AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
45AQI (US)
45AQI (US)
28th January 2026
47AQI (US)
47AQI (US)
29th January 2026
52AQI (US)
52AQI (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
50AQI (US)
50AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
47AQI (US)
47AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
52AQI (US)
52AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
42AQI (US)
42AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
45AQI (US)
45AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
35AQI (US)
35AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
44AQI (US)
44AQI (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
39AQI (US)
39AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
38AQI (US)
38AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
43AQI (US)
43AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
37AQI (US)
37AQI (US)
15th March 2026
36AQI (US)
36AQI (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
37AQI (US)
37AQI (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
36AQI (US)
36AQI (US)
25th March 2026
34AQI (US)
34AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
35AQI (US)
35AQI (US)
29th March 2026
31AQI (US)
31AQI (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
31AQI (US)
31AQI (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
33AQI (US)
33AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
33AQI (US)
33AQI (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
33AQI (US)
33AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
28AQI (US)
28AQI (US)
25th April 2026
32AQI (US)
32AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
29AQI (US)
29AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
27AQI (US)
27AQI (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
33AQI (US)
33AQI (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
34AQI (US)
34AQI (US)
11th May 2026
32AQI (US)
32AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
45AQI (US)
45AQI (US)
16th May 2026
52AQI (US)
52AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
57AQI (US)
57AQI (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
44AQI (US)
44AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
29AQI (US)
29AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
18AQI (US)
18AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
20AQI (US)
20AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
26AQI (US)
26AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
22AQI (US)
22AQI (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
25AQI (US)
25AQI (US)
9th June 2026
25AQI (US)
25AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
25AQI (US)
25AQI (US)
17th June 2026
26AQI (US)
26AQI (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
23AQI (US)
23AQI (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
26AQI (US)
26AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
28AQI (US)
28AQI (US)
3rd July 2026
29AQI (US)
29AQI (US)
4th July 2026
26AQI (US)
26AQI (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
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (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
33AQI (US)
33AQI (US)
14th July 2026
34AQI (US)
34AQI (US)
15th July 2026
39AQI (US)
39AQI (US)
16th July 2026
37AQI (US)
37AQI (US)
17th July 2026
35AQI (US)
35AQI (US)
18th July 2026
46AQI (US)
46AQI (US)
19th July 2026
42AQI (US)
42AQI (US)
20th July 2026
39AQI (US)
39AQI (US)
21st July 2026
41AQI (US)
41AQI (US)
22nd July 2026
28AQI (US)
28AQI (US)
23rd July 2026
26AQI (US)
26AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
39AQI (US)
39AQI (US)
26th July 2026
40AQI (US)
40AQI (US)
27th July 2026
39AQI (US)
39AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
39AQI (US)
39AQI (US)
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
38AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
34AQI (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
29
194
13
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202532AQI (US)
29
2
24
4
27
4
30
31
24
6
26
5
24
7
30
27
4
27
3
26
5
325
40
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202431AQI (US)
29
2
25
4
30
1
30
31
26
4
28
3
21
10
24
6
31
30
25
5
1
330
35
1
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202333AQI (US)
30
1
24
4
31
30
28
3
21
6
2
1
22
8
1
30
1
25
5
30
1
29
25
6
325
35
3
1
Highest AQI (US) recorded in
June51AQI (US)
Lowest AQI (US) recorded in
November26AQI (US)
202231AQI (US)
21
10
20
2
29
2
30
30
1
30
22
2
3
30
28
3
30
30
1
303
21
Highest AQI (US) recorded in
January43AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202129AQI (US)
27
4
24
4
31
29
1
28
3
30
28
3
28
3
30
30
1
29
1
27
4
341
24
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
202024AQI (US)
12
21
19
29
1
31
31
29
1
31
27
3
27
257
5
Highest AQI (US) recorded in
November32AQI (US)
Lowest AQI (US) recorded in
October20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
35AQI (US)Least Polluted Year Recorded
2020(Avg.)
24AQI (US)Montreal's annual 2026 AQI (US) (35) shows an average percentage change of 17.9% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (29), 2022 (31), 2023 (33), 2024 (31), 2025 (32).
