Mississauga, Ontario, 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
Mississauga, Ontario, Canada
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2023
95AQILowest AQI recorded on
29th Aug 2024
17AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Mississauga, Ontario, Canada
AQI
Day
Night
.
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
8PM2nd Aug
57AQI
Avg. Lowest Time
8AM2nd Aug
25AQI
Night time
Avg. Highest Time
2AM3rd Aug
88AQI
Avg. Lowest Time
5AM2nd Aug
24AQI
In the last 24 hours,
Mississauga's AQI reached its highest point of 88 at 2 AM during the Night, while the lowest point, 24, was recorded at 5 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Mississauga, Ontario, Canada
JulAug
04th - 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 - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025275 AMAQI
4th Jul 2025296 AMAQI
4th Jul 2025277 AMAQI
4th Jul 2025308 AMAQI
4th Jul 2025319 AMAQI
4th Jul 20253110 AMAQI
4th Jul 20253411 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025301 PMAQI
4th Jul 2025282 PMAQI
4th Jul 2025293 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025317 PMAQI
4th Jul 2025308 PMAQI
4th Jul 2025319 PMAQI
4th Jul 20253410 PMAQI
4th Jul 20254011 PMAQI
5th Jul 20254512 AMAQI
5th Jul 2025431 AMAQI
5th Jul 2025432 AMAQI
5th Jul 2025443 AMAQI
5th Jul 2025464 AMAQI
19°C14/24°C
5th Jul 2025475 AMAQI
5th Jul 2025486 AMAQI
5th Jul 2025517 AMAQI
5th Jul 2025498 AMAQI
5th Jul 2025429 AMAQI
5th Jul 20254410 AMAQI
5th Jul 20254511 AMAQI
5th Jul 20255112 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025532 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025495 PMAQI
5th Jul 2025456 PMAQI
5th Jul 2025447 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025519 PMAQI
5th Jul 20254910 PMAQI
5th Jul 20254611 PMAQI
6th Jul 20254312 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025472 AMAQI
6th Jul 2025463 AMAQI
6th Jul 2025464 AMAQI
22°C18/27°C
6th Jul 2025505 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025508 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025517 PMAQI
6th Jul 2025518 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025504 AMAQI
26°C21/32°C
7th Jul 2025465 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025487 AMAQI
7th Jul 2025498 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20254710 AMAQI
7th Jul 20254311 AMAQI
7th Jul 20253612 PMAQI
7th Jul 2025361 PMAQI
7th Jul 2025332 PMAQI
7th Jul 2025323 PMAQI
7th Jul 2025344 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025366 PMAQI
7th Jul 2025387 PMAQI
7th Jul 2025388 PMAQI
7th Jul 2025409 PMAQI
7th Jul 20253810 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025282 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025294 AMAQI
23°C21/26°C
8th Jul 2025295 AMAQI
8th Jul 2025266 AMAQI
8th Jul 2025267 AMAQI
8th Jul 2025278 AMAQI
8th Jul 2025279 AMAQI
8th Jul 20252710 AMAQI
8th Jul 20252811 AMAQI
8th Jul 20252812 PMAQI
8th Jul 2025261 PMAQI
8th Jul 2025272 PMAQI
8th Jul 2025263 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025325 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025347 PMAQI
8th Jul 2025348 PMAQI
8th Jul 2025319 PMAQI
8th Jul 20253010 PMAQI
8th Jul 20253111 PMAQI
9th Jul 20253012 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025323 AMAQI
9th Jul 2025324 AMAQI
21°C19/23°C
9th Jul 2025365 AMAQI
9th Jul 2025336 AMAQI
9th Jul 2025347 AMAQI
9th Jul 2025318 AMAQI
9th Jul 2025339 AMAQI
9th Jul 20254010 AMAQI
9th Jul 20254011 AMAQI
9th Jul 20254612 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025472 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20253611 PMAQI
10th Jul 20253612 AMAQI
10th Jul 2025351 AMAQI
10th Jul 2025312 AMAQI
10th Jul 2025293 AMAQI
10th Jul 2025294 AMAQI
21°C18/24°C
10th Jul 2025305 AMAQI
10th Jul 2025326 AMAQI
10th Jul 2025327 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025412 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20254111 PMAQI
11th Jul 20253912 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025442 AMAQI
11th Jul 2025463 AMAQI
11th Jul 2025484 AMAQI
21°C19/24°C
11th Jul 2025505 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025518 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025512 AMAQI
12th Jul 2025513 AMAQI
12th Jul 2025484 AMAQI
23°C20/26°C
12th Jul 2025425 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025397 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025449 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254311 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025432 AMAQI
13th Jul 2025403 AMAQI
13th Jul 2025384 AMAQI
25°C20/32°C
13th Jul 2025365 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025337 AMAQI
13th Jul 2025348 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025322 PMAQI
13th Jul 2025323 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253810 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025381 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025493 AMAQI
14th Jul 2025474 AMAQI
26°C23/28°C
14th Jul 2025335 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025447 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025489 AMAQI
14th Jul 20254610 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025474 PMAQI
14th Jul 2025475 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025478 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025461 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025584 AMAQI
26°C22/30°C
15th Jul 2025585 AMAQI
15th Jul 2025616 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025679 AMAQI
15th Jul 20256210 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025551 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025574 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025586 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20255712 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025644 AMAQI
25°C20/30°C
16th Jul 2025605 AMAQI
16th Jul 2025646 AMAQI
16th Jul 2025657 AMAQI
16th Jul 2025708 AMAQI
16th Jul 2025709 AMAQI
16th Jul 20257210 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20256912 PMAQI
16th Jul 2025641 PMAQI
16th Jul 2025642 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025674 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025626 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025638 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025412 AMAQI
17th Jul 2025333 AMAQI
17th Jul 2025324 AMAQI
24°C20/30°C
17th Jul 2025325 AMAQI
17th Jul 2025306 AMAQI
17th Jul 2025277 AMAQI
17th Jul 2025298 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025253 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253210 PMAQI
17th Jul 20252711 PMAQI
18th Jul 20252612 AMAQI
18th Jul 2025261 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025204 AMAQI
24°C18/29°C
18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025208 AMAQI
18th Jul 2025199 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025208 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20252010 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252112 AMAQI
19th Jul 2025221 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025243 AMAQI
19th Jul 2025264 AMAQI
20°C15/24°C
19th Jul 2025285 AMAQI
19th Jul 2025296 AMAQI
19th Jul 2025317 AMAQI
19th Jul 2025318 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025271 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025223 AMAQI
20th Jul 2025244 AMAQI
21°C17/26°C
20th Jul 2025225 AMAQI
20th Jul 2025226 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025239 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025473 AMAQI
21st Jul 2025564 AMAQI
23°C20/26°C
21st Jul 2025595 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025578 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20254610 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025204 AMAQI
20°C17/24°C
22nd Jul 2025195 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025209 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20252112 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025192 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025184 AMAQI
19°C15/24°C
23rd Jul 2025185 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025237 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025214 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025219 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252111 PMAQI
24th Jul 20252112 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025213 AMAQI
24th Jul 2025224 AMAQI
22°C19/25°C
24th Jul 2025245 AMAQI
24th Jul 2025256 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253512 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025323 PMAQI
24th Jul 2025414 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025446 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20254011 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025283 AMAQI
25th Jul 2025274 AMAQI
26°C19/33°C
25th Jul 2025275 AMAQI
25th Jul 2025266 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025294 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025358 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025553 AMAQI
26th Jul 2025564 AMAQI
25°C22/28°C
26th Jul 2025585 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025622 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20254711 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025353 AMAQI
27th Jul 2025354 AMAQI
23°C20/25°C
27th Jul 2025355 AMAQI
27th Jul 2025356 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025401 PMAQI
27th Jul 2025422 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025398 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20254311 PMAQI
28th Jul 20254212 AMAQI
28th Jul 2025431 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025484 AMAQI
26°C22/32°C
28th Jul 2025495 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025529 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255110 PMAQI
28th Jul 20255011 PMAQI
29th Jul 20254912 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025432 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025474 AMAQI
26°C20/32°C
29th Jul 2025445 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255712 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025448 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254512 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025424 AMAQI
25°C22/29°C
30th Jul 2025415 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025438 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254610 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025533 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025643 AMAQI
31st Jul 2025684 AMAQI
24°C21/27°C
31st Jul 2025715 AMAQI
31st Jul 2025726 AMAQI
31st Jul 2025687 AMAQI
31st Jul 2025998 AMAQI
31st Jul 2025899 AMAQI
31st Jul 20257010 AMAQI
31st Jul 20255311 AMAQI
31st Jul 202510412 PMAQI
31st Jul 20251511 PMAQI
31st Jul 20251362 PMAQI
31st Jul 2025993 PMAQI
31st Jul 2025924 PMAQI
31st Jul 2025865 PMAQI
31st Jul 2025806 PMAQI
31st Jul 2025887 PMAQI
31st Jul 2025918 PMAQI
31st Jul 20251239 PMAQI
31st Jul 20259710 PMAQI
31st Jul 20259011 PMAQI
1st Aug 20258612 AMAQI
1st Aug 2025811 AMAQI
1st Aug 2025832 AMAQI
1st Aug 2025743 AMAQI
1st Aug 2025664 AMAQI
22°C18/23°C
1st Aug 2025715 AMAQI
1st Aug 2025666 AMAQI
1st Aug 2025607 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20255510 AMAQI
1st Aug 20254911 AMAQI
1st Aug 20254012 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025384 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025236 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252312 AMAQI
2nd Aug 2025241 AMAQI
2nd Aug 2025242 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025244 AMAQI
21°C18/26°C
2nd Aug 2025245 AMAQI
2nd Aug 2025256 AMAQI
2nd Aug 2025257 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025269 AMAQI
2nd Aug 20252710 AMAQI
2nd Aug 20252811 AMAQI
2nd Aug 20252812 PMAQI
2nd Aug 2025271 PMAQI
2nd Aug 2025282 PMAQI
2nd Aug 2025313 PMAQI
2nd Aug 2025354 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025516 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20254710 PMAQI
2nd Aug 20256811 PMAQI
3rd Aug 20258012 AMAQI
3rd Aug 2025811 AMAQI
3rd Aug 2025882 AMAQI
3rd Aug 2025783 AMAQI
3rd Aug 2025874 AMAQI
21°C15/25°C
3rd Aug 2025865 AMAQI
5 AM3rd Aug 2025916 AMAQI
3rd Aug 20251047 AMAQI
3rd Aug 20251108 AMAQI
3rd Aug 20251039 AMAQI
3rd Aug 202510410 AMAQI
3rd Aug 202510911 AMAQI
3rd Aug 202510712 PMAQI
12 PM8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
42AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
42AQI
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. 42), while the lowest AQI was between 5 AM to 8 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM
42AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
42AQI
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. 42), while the lowest AQI was between 12 AM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Mississauga, Ontario, Canada
2025
88%
189
12%
25
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
189 DaysModerate
25 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 215 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
Mississauga, Ontario, 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
23AQI
23AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
23AQI
23AQI
4th January 2025
29AQI
29AQI
5th January 2025
26AQI
26AQI
6th January 2025
20AQI
20AQI
7th January 2025
22AQI
22AQI
8th January 2025
26AQI
26AQI
9th January 2025
27AQI
27AQI
10th January 2025
40AQI
40AQI
11th January 2025
60AQI
60AQI
12th January 2025
44AQI
44AQI
13th January 2025
39AQI
39AQI
14th January 2025
27AQI
27AQI
15th January 2025
25AQI
25AQI
16th January 2025
51AQI
51AQI
17th January 2025
41AQI
41AQI
18th January 2025
28AQI
28AQI
19th January 2025
24AQI
24AQI
20th January 2025
24AQI
24AQI
21st January 2025
25AQI
25AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
42AQI
42AQI
24th January 2025
29AQI
29AQI
25th January 2025
51AQI
51AQI
26th January 2025
33AQI
33AQI
27th January 2025
28AQI
28AQI
28th January 2025
29AQI
29AQI
29th January 2025
27AQI
27AQI
30th January 2025
26AQI
26AQI
31st January 2025
56AQI
56AQI
1st February 2025
26AQI
26AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
56AQI
56AQI
4th February 2025
26AQI
26AQI
5th February 2025
23AQI
23AQI
6th February 2025
32AQI
32AQI
7th February 2025
27AQI
27AQI
8th February 2025
36AQI
36AQI
9th February 2025
30AQI
30AQI
10th February 2025
29AQI
29AQI
11th February 2025
43AQI
43AQI
12th February 2025
26AQI
26AQI
13th February 2025
27AQI
27AQI
14th February 2025
30AQI
30AQI
15th February 2025
31AQI
31AQI
16th February 2025
27AQI
27AQI
17th February 2025
28AQI
28AQI
18th February 2025
27AQI
27AQI
19th February 2025
22AQI
22AQI
20th February 2025
20AQI
20AQI
21st February 2025
25AQI
25AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
59AQI
59AQI
24th February 2025
55AQI
55AQI
25th February 2025
60AQI
60AQI
26th February 2025
31AQI
31AQI
27th February 2025
35AQI
35AQI
28th February 2025
24AQI
24AQI
1st March 2025
29AQI
29AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
32AQI
32AQI
4th March 2025
39AQI
39AQI
5th March 2025
36AQI
36AQI
6th March 2025
25AQI
25AQI
7th March 2025
32AQI
32AQI
8th March 2025
34AQI
34AQI
9th March 2025
30AQI
30AQI
10th March 2025
32AQI
32AQI
11th March 2025
37AQI
37AQI
12th March 2025
25AQI
25AQI
13th March 2025
28AQI
28AQI
14th March 2025
53AQI
53AQI
15th March 2025
55AQI
55AQI
16th March 2025
33AQI
33AQI
17th March 2025
16AQI
16AQI
18th March 2025
23AQI
23AQI
19th March 2025
30AQI
30AQI
20th March 2025
24AQI
24AQI
21st March 2025
17AQI
17AQI
22nd March 2025
17AQI
17AQI
23rd March 2025
19AQI
19AQI
24th March 2025
21AQI
21AQI
25th March 2025
18AQI
18AQI
26th March 2025
19AQI
19AQI
27th March 2025
23AQI
23AQI
28th March 2025
21AQI
21AQI
29th March 2025
22AQI
22AQI
30th March 2025
20AQI
20AQI
31st March 2025
22AQI
22AQI
1st April 2025
16AQI
16AQI
2nd April 2025
18AQI
18AQI
3rd April 2025
26AQI
26AQI
4th April 2025
19AQI
19AQI
5th April 2025
19AQI
19AQI
6th April 2025
17AQI
17AQI
7th April 2025
19AQI
19AQI
8th April 2025
14AQI
14AQI
9th April 2025
18AQI
18AQI
10th April 2025
30AQI
30AQI
11th April 2025
32AQI
32AQI
12th April 2025
32AQI
32AQI
13th April 2025
35AQI
35AQI
14th April 2025
29AQI
29AQI
15th April 2025
20AQI
20AQI
16th April 2025
14AQI
14AQI
17th April 2025
18AQI
18AQI
18th April 2025
31AQI
31AQI
19th April 2025
42AQI
42AQI
20th April 2025
19AQI
19AQI
21st April 2025
18AQI
18AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
15AQI
15AQI
24th April 2025
32AQI
32AQI
25th April 2025
42AQI
42AQI
26th April 2025
29AQI
29AQI
27th April 2025
13AQI
13AQI
28th April 2025
25AQI
25AQI
29th April 2025
33AQI
33AQI
30th April 2025
19AQI
19AQI
1st May 2025
26AQI
26AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
16AQI
16AQI
4th May 2025
16AQI
16AQI
5th May 2025
17AQI
17AQI
6th May 2025
19AQI
19AQI
7th May 2025
26AQI
26AQI
8th May 2025
17AQI
17AQI
9th May 2025
23AQI
23AQI
10th May 2025
22AQI
22AQI
11th May 2025
20AQI
20AQI
12th May 2025
26AQI
26AQI
13th May 2025
34AQI
34AQI
14th May 2025
23AQI
23AQI
15th May 2025
24AQI
24AQI
16th May 2025
29AQI
29AQI
17th May 2025
29AQI
29AQI
18th May 2025
16AQI
16AQI
19th May 2025
15AQI
15AQI
20th May 2025
15AQI
15AQI
21st May 2025
15AQI
15AQI
22nd May 2025
13AQI
13AQI
23rd May 2025
14AQI
14AQI
24th May 2025
13AQI
13AQI
25th May 2025
13AQI
13AQI
26th May 2025
19AQI
19AQI
27th May 2025
27AQI
27AQI
28th May 2025
24AQI
24AQI
29th May 2025
24AQI
24AQI
30th May 2025
27AQI
27AQI
31st May 2025
25AQI
25AQI
1st June 2025
15AQI
15AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
34AQI
34AQI
4th June 2025
57AQI
57AQI
5th June 2025
48AQI
48AQI
6th June 2025
60AQI
60AQI
7th June 2025
60AQI
60AQI
8th June 2025
72AQI
72AQI
9th June 2025
64AQI
64AQI
10th June 2025
47AQI
47AQI
11th June 2025
57AQI
57AQI
12th June 2025
63AQI
63AQI
13th June 2025
37AQI
37AQI
14th June 2025
27AQI
27AQI
15th June 2025
36AQI
36AQI
16th June 2025
34AQI
34AQI
17th June 2025
34AQI
34AQI
18th June 2025
38AQI
38AQI
19th June 2025
28AQI
28AQI
20th June 2025
37AQI
37AQI
21st June 2025
50AQI
50AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
52AQI
52AQI
24th June 2025
53AQI
53AQI
25th June 2025
40AQI
40AQI
26th June 2025
37AQI
37AQI
27th June 2025
32AQI
32AQI
28th June 2025
31AQI
31AQI
29th June 2025
35AQI
35AQI
30th June 2025
36AQI
36AQI
1st July 2025
36AQI
36AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
47AQI
47AQI
4th July 2025
32AQI
32AQI
5th July 2025
47AQI
47AQI
6th July 2025
49AQI
49AQI
7th July 2025
44AQI
44AQI
8th July 2025
30AQI
30AQI
9th July 2025
38AQI
38AQI
10th July 2025
37AQI
37AQI
11th July 2025
49AQI
49AQI
12th July 2025
44AQI
44AQI
13th July 2025
38AQI
38AQI
14th July 2025
44AQI
44AQI
15th July 2025
56AQI
56AQI
16th July 2025
62AQI
62AQI
17th July 2025
36AQI
36AQI
18th July 2025
20AQI
20AQI
19th July 2025
26AQI
26AQI
20th July 2025
24AQI
24AQI
21st July 2025
42AQI
42AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
21AQI
21AQI
24th July 2025
31AQI
31AQI
25th July 2025
32AQI
32AQI
26th July 2025
51AQI
51AQI
27th July 2025
39AQI
39AQI
28th July 2025
50AQI
50AQI
29th July 2025
46AQI
46AQI
30th July 2025
48AQI
48AQI
31st July 2025
81AQI
81AQI
1st August 2025
53AQI
53AQI
2nd August 2025
26AQI
26AQI
32AQI
33AQI
28AQI
24AQI
21AQI
43AQI
41AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
27
4
24
4
29
2
30
31
20
10
27
4
1
1
189
25
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
May21AQI
202430AQI
28
3
28
1
31
30
31
30
29
2
26
5
29
1
30
1
30
30
1
352
14
Highest AQI recorded in
February35AQI
Lowest AQI recorded in
November23AQI
202339AQI
26
5
25
3
30
1
25
5
29
2
14
12
3
1
24
6
1
21
10
27
3
28
3
26
3
25
6
300
59
4
1
Highest AQI recorded in
June66AQI
Lowest AQI recorded in
October29AQI
202234AQI
27
4
20
1
27
4
30
28
3
26
4
23
3
2
28
2
27
4
26
4
29
2
293
31
Highest AQI recorded in
January37AQI
Lowest AQI recorded in
August19AQI
202135AQI
25
5
25
3
26
5
28
2
24
7
20
10
22
9
23
8
29
1
30
1
28
2
29
2
309
55
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
October28AQI
202032AQI
11
21
16
2
26
4
29
2
29
2
28
2
30
1
26
4
25
6
241
23
Highest AQI recorded in
May36AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2024(Avg.)
30AQIMississauga's annual 2025 AQI (32) shows an average percentage change of -6.2% (improved AQI) compared to previous years: 2020 (32), 2021 (35), 2022 (34), 2023 (39), 2024 (30).
