Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Burlington, 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

Burlington, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
94AQI
Lowest AQI recorded on
31st Aug 2022
15AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Burlington, Ontario, Canada

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
6AM1st Aug

74AQI

Avg. Lowest Time
8PM1st Aug

20AQI

Night time
Avg. Highest Time
5AM1st Aug

72AQI

Avg. Lowest Time
4AM2nd Aug

23AQI

In the last 24 hours,

Burlington's AQI reached its highest point of 74 at 6 AM during the Day, while the lowest point, 20, was recorded at 8 PM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Burlington, Ontario, Canada

JulAug
03rd - 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 - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025445 AMAQI
3rd Jul 2025506 AMAQI
3rd Jul 2025537 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025499 AMAQI
3rd Jul 20254910 AMAQI
3rd Jul 20255211 AMAQI
3rd Jul 20255412 PMAQI
3rd Jul 2025551 PMAQI
3rd Jul 2025572 PMAQI
3rd Jul 2025553 PMAQI
3rd Jul 2025534 PMAQI
3rd Jul 2025525 PMAQI
3rd Jul 2025526 PMAQI
3rd Jul 2025537 PMAQI
3rd Jul 2025528 PMAQI
3rd Jul 2025509 PMAQI
3rd Jul 20254810 PMAQI
3rd Jul 20254111 PMAQI
4th Jul 20254212 AMAQI
4th Jul 2025381 AMAQI
4th Jul 2025282 AMAQI
4th Jul 2025263 AMAQI
4th Jul 2025254 AMAQI

23°C18/31°C

4th Jul 2025275 AMAQI
4th Jul 2025306 AMAQI
4th Jul 2025287 AMAQI
4th Jul 2025328 AMAQI
4th Jul 2025319 AMAQI
4th Jul 20253110 AMAQI
4th Jul 20253011 AMAQI
4th Jul 20253012 PMAQI
4th Jul 2025301 PMAQI
4th Jul 2025302 PMAQI
4th Jul 2025303 PMAQI
4th Jul 2025304 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025307 PMAQI
4th Jul 2025298 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253310 PMAQI
4th Jul 20253311 PMAQI
5th Jul 20253512 AMAQI
5th Jul 2025401 AMAQI
5th Jul 2025482 AMAQI
5th Jul 2025353 AMAQI
5th Jul 2025444 AMAQI

21°C13/28°C

5th Jul 2025425 AMAQI
5th Jul 2025366 AMAQI
5th Jul 2025387 AMAQI
5th Jul 2025388 AMAQI
5th Jul 2025379 AMAQI
5th Jul 20253810 AMAQI
5th Jul 20254111 AMAQI
5th Jul 20254012 PMAQI
5th Jul 2025421 PMAQI
5th Jul 2025422 PMAQI
5th Jul 2025443 PMAQI
5th Jul 2025434 PMAQI
5th Jul 2025445 PMAQI
5th Jul 2025436 PMAQI
5th Jul 2025407 PMAQI
5th Jul 2025428 PMAQI
5th Jul 2025459 PMAQI
5th Jul 20254110 PMAQI
5th Jul 20254411 PMAQI
6th Jul 20254312 AMAQI
6th Jul 2025471 AMAQI
6th Jul 2025502 AMAQI
6th Jul 2025503 AMAQI
6th Jul 2025474 AMAQI

25°C17/33°C

6th Jul 2025435 AMAQI
6th Jul 2025476 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025516 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025519 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025503 AMAQI
7th Jul 2025514 AMAQI

28°C21/36°C

7th Jul 2025505 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025519 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20254711 AMAQI
7th Jul 20253812 PMAQI
7th Jul 2025351 PMAQI
7th Jul 2025362 PMAQI
7th Jul 2025343 PMAQI
7th Jul 2025354 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025396 PMAQI
7th Jul 2025397 PMAQI
7th Jul 2025398 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20254110 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025381 AMAQI
8th Jul 2025352 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025244 AMAQI

25°C22/28°C

8th Jul 2025255 AMAQI
8th Jul 2025246 AMAQI
8th Jul 2025267 AMAQI
8th Jul 2025308 AMAQI
8th Jul 2025309 AMAQI
8th Jul 20252910 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20252812 PMAQI
8th Jul 2025271 PMAQI
8th Jul 2025272 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025284 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025298 PMAQI
8th Jul 2025299 PMAQI
8th Jul 20253110 PMAQI
8th Jul 20253311 PMAQI
9th Jul 20253412 AMAQI
9th Jul 2025311 AMAQI
9th Jul 2025292 AMAQI
9th Jul 2025313 AMAQI
9th Jul 2025334 AMAQI

22°C20/26°C

9th Jul 2025395 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025367 AMAQI
9th Jul 2025328 AMAQI
9th Jul 2025359 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025457 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20254110 PMAQI
9th Jul 20254211 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025361 AMAQI
10th Jul 2025282 AMAQI
10th Jul 2025283 AMAQI
10th Jul 2025264 AMAQI

22°C18/27°C

10th Jul 2025265 AMAQI
10th Jul 2025266 AMAQI
10th Jul 2025267 AMAQI
10th Jul 2025298 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253311 AMAQI
10th Jul 20253312 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025362 PMAQI
10th Jul 2025373 PMAQI
10th Jul 2025354 PMAQI
10th Jul 2025355 PMAQI
10th Jul 2025356 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025398 PMAQI
10th Jul 2025359 PMAQI
10th Jul 20253510 PMAQI
10th Jul 20253911 PMAQI
11th Jul 20253712 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025522 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025524 AMAQI

23°C18/28°C

11th Jul 2025535 AMAQI
11th Jul 2025536 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025528 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025462 AMAQI
12th Jul 2025433 AMAQI
12th Jul 2025384 AMAQI

25°C19/30°C

12th Jul 2025405 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025378 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025341 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025422 AMAQI
13th Jul 2025393 AMAQI
13th Jul 2025374 AMAQI

28°C22/36°C

13th Jul 2025375 AMAQI
13th Jul 2025366 AMAQI
13th Jul 2025347 AMAQI
13th Jul 2025358 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025322 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025357 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20254311 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025381 AMAQI
14th Jul 2025442 AMAQI
14th Jul 2025503 AMAQI
14th Jul 2025484 AMAQI

27°C23/30°C

14th Jul 2025355 AMAQI
14th Jul 2025366 AMAQI
14th Jul 2025447 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20254710 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025491 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025473 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025475 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025574 AMAQI

27°C20/34°C

15th Jul 2025585 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025599 AMAQI
15th Jul 20255710 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255612 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025562 PMAQI
15th Jul 2025563 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025585 PMAQI
15th Jul 2025586 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025578 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255710 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255712 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025643 AMAQI
16th Jul 2025684 AMAQI

27°C18/34°C

16th Jul 2025635 AMAQI
16th Jul 2025696 AMAQI
16th Jul 2025717 AMAQI
16th Jul 2025728 AMAQI
16th Jul 2025659 AMAQI
16th Jul 20256810 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256512 PMAQI
16th Jul 2025641 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025683 PMAQI
16th Jul 2025704 PMAQI
16th Jul 2025645 PMAQI
16th Jul 2025646 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025639 PMAQI
16th Jul 20256210 PMAQI
16th Jul 20255911 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025372 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025334 AMAQI

26°C18/35°C

17th Jul 2025285 AMAQI
17th Jul 2025276 AMAQI
17th Jul 2025297 AMAQI
17th Jul 2025288 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253011 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025329 PMAQI
17th Jul 20253110 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025204 AMAQI

24°C19/29°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 20251911 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025198 PMAQI
18th Jul 2025199 PMAQI
18th Jul 20251910 PMAQI
18th Jul 20252011 PMAQI
19th Jul 20252112 AMAQI
19th Jul 2025231 AMAQI
19th Jul 2025292 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025264 AMAQI

20°C13/26°C

19th Jul 2025245 AMAQI
19th Jul 2025236 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025278 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252511 PMAQI
20th Jul 20252412 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025242 AMAQI
20th Jul 2025253 AMAQI
20th Jul 2025264 AMAQI

22°C14/31°C

20th Jul 2025255 AMAQI
20th Jul 2025236 AMAQI
20th Jul 2025227 AMAQI
20th Jul 2025228 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025249 PMAQI
20th Jul 20252510 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025483 AMAQI
21st Jul 2025554 AMAQI

23°C19/30°C

21st Jul 2025595 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025568 AMAQI
21st Jul 2025539 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20253712 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025377 PMAQI
21st Jul 2025378 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025203 AMAQI
22nd Jul 2025194 AMAQI

19°C15/23°C

22nd Jul 2025185 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20251910 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025233 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252111 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025201 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025214 AMAQI

19°C13/26°C

23rd Jul 2025225 AMAQI
23rd Jul 2025216 AMAQI
23rd Jul 2025237 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252312 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025242 AMAQI
24th Jul 2025253 AMAQI
24th Jul 2025284 AMAQI

24°C16/31°C

24th Jul 2025265 AMAQI
24th Jul 2025266 AMAQI
24th Jul 2025287 AMAQI
24th Jul 2025288 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025434 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025416 PMAQI
24th Jul 2025317 PMAQI
24th Jul 2025368 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20254111 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025312 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025234 AMAQI

27°C18/36°C

25th Jul 2025265 AMAQI
25th Jul 2025296 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253110 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025253 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025377 PMAQI
25th Jul 2025418 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025553 AMAQI
26th Jul 2025544 AMAQI

26°C23/30°C

26th Jul 2025545 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255111 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025581 PMAQI
26th Jul 2025572 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025547 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025353 AMAQI
27th Jul 2025354 AMAQI

25°C20/30°C

27th Jul 2025345 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253412 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025403 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254612 AMAQI
28th Jul 2025471 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025524 AMAQI

28°C23/34°C

28th Jul 2025535 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025559 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255310 PMAQI
28th Jul 20255111 PMAQI
29th Jul 20255112 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025473 AMAQI
29th Jul 2025474 AMAQI

27°C18/36°C

29th Jul 2025485 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025472 PMAQI
29th Jul 2025453 PMAQI
29th Jul 2025474 PMAQI
29th Jul 2025485 PMAQI
29th Jul 2025466 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025479 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI

27°C21/33°C

30th Jul 2025445 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025429 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20254712 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025503 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025622 AMAQI
31st Jul 2025683 AMAQI
31st Jul 2025874 AMAQI

25°C20/30°C

31st Jul 2025795 AMAQI
31st Jul 2025796 AMAQI
31st Jul 2025777 AMAQI
31st Jul 20251028 AMAQI
31st Jul 2025899 AMAQI
31st Jul 20257010 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20259012 PMAQI
31st Jul 20251461 PMAQI
31st Jul 20251362 PMAQI
31st Jul 20251083 PMAQI
31st Jul 2025944 PMAQI
31st Jul 2025865 PMAQI
31st Jul 2025806 PMAQI
31st Jul 2025787 PMAQI
31st Jul 2025798 PMAQI
31st Jul 20251199 PMAQI
31st Jul 20259910 PMAQI
31st Jul 20258511 PMAQI
1st Aug 20258512 AMAQI
1st Aug 2025771 AMAQI
1st Aug 2025842 AMAQI
1st Aug 2025773 AMAQI
1st Aug 2025654 AMAQI

21°C18/24°C

1st Aug 2025725 AMAQI
1st Aug 2025746 AMAQI
1st Aug 2025637 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025629 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025235 PMAQI
1st Aug 2025226 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025208 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20252411 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025273 AMAQI
2nd Aug 2025234 AMAQI

21°C14/27°C

2nd Aug 2025245 AMAQI
5 AM
2nd Aug 2025246 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025258 AMAQI
2nd Aug 2025279 AMAQI
2nd Aug 20252710 AMAQI
2nd Aug 20252711 AMAQI
2nd Aug 20252612 PMAQI
12 PM
2nd Aug 2025251 PMAQI
2nd Aug 2025272 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

41AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

41AQI

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. 41), while the lowest AQI was between 5 AM to 8 PM (Avg. 41).
Night time
Avg. Highest Time
9 PM - 11 PM

42AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM

41AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 42), while the lowest AQI was between 12 AM to 4 AM (Avg. 41).

2025 Days Vs Air Quality

Burlington, Ontario, Canada

2025

87%

186

13%

27

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
186 Days
Moderate
27 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% of 214 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

Burlington, 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
21AQI
2nd January 2025
20AQI
3rd January 2025
23AQI
4th January 2025
27AQI
5th January 2025
26AQI
6th January 2025
21AQI
7th January 2025
22AQI
8th January 2025
26AQI
9th January 2025
25AQI
10th January 2025
42AQI
11th January 2025
62AQI
12th January 2025
50AQI
13th January 2025
40AQI
14th January 2025
27AQI
15th January 2025
26AQI
16th January 2025
51AQI
17th January 2025
44AQI
18th January 2025
27AQI
19th January 2025
25AQI
20th January 2025
25AQI
21st January 2025
24AQI
22nd January 2025
31AQI
23rd January 2025
44AQI
24th January 2025
29AQI
25th January 2025
50AQI
26th January 2025
32AQI
27th January 2025
28AQI
28th January 2025
28AQI
29th January 2025
26AQI
30th January 2025
24AQI
31st January 2025
55AQI
1st February 2025
26AQI
2nd February 2025
27AQI
3rd February 2025
58AQI
4th February 2025
25AQI
5th February 2025
23AQI
6th February 2025
33AQI
7th February 2025
27AQI
8th February 2025
40AQI
9th February 2025
32AQI
10th February 2025
28AQI
11th February 2025
48AQI
12th February 2025
27AQI
13th February 2025
28AQI
14th February 2025
30AQI
15th February 2025
32AQI
16th February 2025
27AQI
17th February 2025
28AQI
18th February 2025
26AQI
19th February 2025
22AQI
20th February 2025
20AQI
21st February 2025
26AQI
22nd February 2025
48AQI
23rd February 2025
59AQI
24th February 2025
52AQI
25th February 2025
57AQI
26th February 2025
34AQI
27th February 2025
39AQI
28th February 2025
23AQI
1st March 2025
29AQI
2nd March 2025
26AQI
3rd March 2025
31AQI
4th March 2025
36AQI
5th March 2025
44AQI
6th March 2025
25AQI
7th March 2025
31AQI
8th March 2025
33AQI
9th March 2025
30AQI
10th March 2025
31AQI
11th March 2025
32AQI
12th March 2025
28AQI
13th March 2025
28AQI
14th March 2025
54AQI
15th March 2025
57AQI
16th March 2025
31AQI
17th March 2025
15AQI
18th March 2025
23AQI
19th March 2025
36AQI
20th March 2025
28AQI
21st March 2025
17AQI
22nd March 2025
17AQI
23rd March 2025
25AQI
24th March 2025
22AQI
25th March 2025
20AQI
26th March 2025
19AQI
27th March 2025
22AQI
28th March 2025
23AQI
29th March 2025
20AQI
30th March 2025
21AQI
31st March 2025
22AQI
1st April 2025
17AQI
2nd April 2025
18AQI
3rd April 2025
27AQI
4th April 2025
19AQI
5th April 2025
21AQI
6th April 2025
18AQI
7th April 2025
20AQI
8th April 2025
15AQI
9th April 2025
19AQI
10th April 2025
29AQI
11th April 2025
36AQI
12th April 2025
36AQI
13th April 2025
34AQI
14th April 2025
31AQI
15th April 2025
19AQI
16th April 2025
14AQI
17th April 2025
20AQI
18th April 2025
33AQI
19th April 2025
43AQI
20th April 2025
17AQI
21st April 2025
18AQI
22nd April 2025
15AQI
23rd April 2025
17AQI
24th April 2025
28AQI
25th April 2025
45AQI
26th April 2025
30AQI
27th April 2025
15AQI
28th April 2025
30AQI
29th April 2025
35AQI
30th April 2025
19AQI
1st May 2025
26AQI
2nd May 2025
32AQI
3rd May 2025
17AQI
4th May 2025
17AQI
5th May 2025
18AQI
6th May 2025
19AQI
7th May 2025
31AQI
8th May 2025
18AQI
9th May 2025
22AQI
10th May 2025
25AQI
11th May 2025
21AQI
12th May 2025
22AQI
13th May 2025
35AQI
14th May 2025
30AQI
15th May 2025
25AQI
16th May 2025
31AQI
17th May 2025
29AQI
18th May 2025
18AQI
19th May 2025
16AQI
20th May 2025
14AQI
21st May 2025
15AQI
22nd May 2025
14AQI
23rd May 2025
12AQI
24th May 2025
12AQI
25th May 2025
13AQI
26th May 2025
19AQI
27th May 2025
30AQI
28th May 2025
27AQI
29th May 2025
23AQI
30th May 2025
31AQI
31st May 2025
27AQI
1st June 2025
15AQI
2nd June 2025
20AQI
3rd June 2025
33AQI
4th June 2025
56AQI
5th June 2025
48AQI
6th June 2025
62AQI
7th June 2025
60AQI
8th June 2025
74AQI
9th June 2025
63AQI
10th June 2025
45AQI
11th June 2025
55AQI
12th June 2025
65AQI
13th June 2025
38AQI
14th June 2025
26AQI
15th June 2025
37AQI
16th June 2025
35AQI
17th June 2025
36AQI
18th June 2025
34AQI
19th June 2025
26AQI
20th June 2025
38AQI
21st June 2025
51AQI
22nd June 2025
54AQI
23rd June 2025
52AQI
24th June 2025
54AQI
25th June 2025
42AQI
26th June 2025
38AQI
27th June 2025
31AQI
28th June 2025
31AQI
29th June 2025
36AQI
30th June 2025
38AQI
1st July 2025
36AQI
2nd July 2025
41AQI
3rd July 2025
49AQI
4th July 2025
31AQI
5th July 2025
41AQI
6th July 2025
50AQI
7th July 2025
45AQI
8th July 2025
30AQI
9th July 2025
39AQI
10th July 2025
33AQI
11th July 2025
51AQI
12th July 2025
42AQI
13th July 2025
38AQI
14th July 2025
45AQI
15th July 2025
56AQI
16th July 2025
63AQI
17th July 2025
35AQI
18th July 2025
20AQI
19th July 2025
25AQI
20th July 2025
24AQI
21st July 2025
42AQI
22nd July 2025
23AQI
23rd July 2025
22AQI
24th July 2025
32AQI
25th July 2025
32AQI
26th July 2025
53AQI
27th July 2025
37AQI
28th July 2025
53AQI
29th July 2025
47AQI
30th July 2025
48AQI
31st July 2025
82AQI
1st August 2025
57AQI

32AQI

34AQI

28AQI

25AQI

22AQI

43AQI

41AQI

57AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202532AQI

28
3
24
4
29
2
30
31
19
11
25
6
1
186
27

Highest AQI recorded in

August

57AQI

Lowest AQI recorded in

May

22AQI

202432AQI

26
5
25
4
31
30
27
4
28
1
29
2
24
7
28
2
30
1
30
30
1
338
27

Highest AQI recorded in

January

38AQI

Lowest AQI recorded in

November

24AQI

202340AQI

27
4
25
3
31
26
4
29
2
10
15
3
1
1
22
8
1
22
9
28
2
29
2
26
3
22
9
297
61
4
1
1

Highest AQI recorded in

June

74AQI

Lowest AQI recorded in

October

30AQI

202233AQI

28
3
20
1
28
3
30
28
3
24
6
23
1
2
27
1
27
4
25
4
1
29
2
291
28
1

Highest AQI recorded in

May

38AQI

Lowest AQI recorded in

September

26AQI

202134AQI

24
6
25
3
25
6
27
3
26
5
28
2
25
6
27
4
30
31
27
3
29
2
324
40

Highest AQI recorded in

June

38AQI

Lowest AQI recorded in

October

24AQI

202033AQI

13
21
17
1
26
4
29
2
30
1
27
3
31
27
3
26
5
247
19

Highest AQI recorded in

May

38AQI

Lowest AQI recorded in

October

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
40AQI
Least Polluted Year Recorded
2024(Avg.)
32AQI

Burlington's annual 2025 AQI (32) shows an average percentage change of -5.8% (improved AQI) compared to previous years: 2020 (33), 2021 (34), 2022 (33), 2023 (40), 2024 (32).