Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Brantford, 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

Brantford, Ontario, Canada

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
133AQI
Lowest AQI recorded on
18th Aug 2025
16AQI

Same Day Analysis (31st August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 30 of Good air quality on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Brantford, Ontario, Canada

AQI
Day
Night
.

5 AM31st Jul 2026

8 PM

4 AM1st Aug 2026

Day time
Avg. Highest Time
2PM31st Jul

51AQI

Avg. Lowest Time
6AM31st Jul

22AQI

Night time
Avg. Highest Time
3AM1st Aug

54AQI

Avg. Lowest Time
5AM31st Jul

23AQI

In the last 24 hours,

Brantford's AQI reached its highest point of 54 at 3 AM during the Night, while the lowest point, 22, was recorded at 6 AM during the Day between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Brantford, 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
Day
Night
3rd Jul 2026425 AMAQI
3rd Jul 2026426 AMAQI
3rd Jul 2026427 AMAQI
3rd Jul 2026308 AMAQI
3rd Jul 2026339 AMAQI
3rd Jul 20263610 AMAQI
3rd Jul 20265311 AMAQI
3rd Jul 20264912 PMAQI
3rd Jul 2026461 PMAQI
3rd Jul 2026402 PMAQI
3rd Jul 2026363 PMAQI
3rd Jul 2026284 PMAQI
3rd Jul 2026265 PMAQI
3rd Jul 2026286 PMAQI
3rd Jul 2026267 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20263011 PMAQI
4th Jul 20263112 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026264 AMAQI

29°C22/36°C

4th Jul 2026315 AMAQI
4th Jul 2026426 AMAQI
4th Jul 2026477 AMAQI
4th Jul 2026298 AMAQI
4th Jul 2026359 AMAQI
4th Jul 20263310 AMAQI
4th Jul 20263611 AMAQI
4th Jul 20263312 PMAQI
4th Jul 2026391 PMAQI
4th Jul 2026382 PMAQI
4th Jul 2026343 PMAQI
4th Jul 2026314 PMAQI
4th Jul 2026385 PMAQI
4th Jul 2026326 PMAQI
4th Jul 2026367 PMAQI
4th Jul 2026498 PMAQI
4th Jul 2026529 PMAQI
4th Jul 20265010 PMAQI
4th Jul 20263611 PMAQI
5th Jul 20263812 AMAQI
5th Jul 2026461 AMAQI
5th Jul 2026422 AMAQI
5th Jul 2026543 AMAQI
5th Jul 2026654 AMAQI

26°C22/31°C

5th Jul 2026665 AMAQI
5th Jul 2026626 AMAQI
5th Jul 2026667 AMAQI
5th Jul 2026668 AMAQI
5th Jul 2026559 AMAQI
5th Jul 20265710 AMAQI
5th Jul 20264611 AMAQI
5th Jul 20263812 PMAQI
5th Jul 2026461 PMAQI
5th Jul 2026362 PMAQI
5th Jul 2026423 PMAQI
5th Jul 2026424 PMAQI
5th Jul 2026465 PMAQI
5th Jul 2026466 PMAQI
5th Jul 2026487 PMAQI
5th Jul 2026528 PMAQI
5th Jul 2026509 PMAQI
5th Jul 20265210 PMAQI
5th Jul 20265311 PMAQI
6th Jul 20265412 AMAQI
6th Jul 2026561 AMAQI
6th Jul 2026602 AMAQI
6th Jul 2026593 AMAQI
6th Jul 2026594 AMAQI

22°C19/30°C

6th Jul 2026525 AMAQI
6th Jul 2026446 AMAQI
6th Jul 2026327 AMAQI
6th Jul 2026298 AMAQI
6th Jul 2026309 AMAQI
6th Jul 20263110 AMAQI
6th Jul 20263211 AMAQI
6th Jul 20264012 PMAQI
6th Jul 2026441 PMAQI
6th Jul 2026452 PMAQI
6th Jul 2026523 PMAQI
6th Jul 2026564 PMAQI
6th Jul 2026545 PMAQI
6th Jul 2026476 PMAQI
6th Jul 2026477 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026289 PMAQI
6th Jul 20263110 PMAQI
6th Jul 20263011 PMAQI
7th Jul 20263412 AMAQI
7th Jul 2026411 AMAQI
7th Jul 2026482 AMAQI
7th Jul 2026503 AMAQI
7th Jul 2026534 AMAQI

23°C18/29°C

7th Jul 2026585 AMAQI
7th Jul 2026386 AMAQI
7th Jul 2026347 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262710 AMAQI
7th Jul 20263411 AMAQI
7th Jul 20263512 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026323 PMAQI
7th Jul 2026304 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026297 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262410 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026294 AMAQI

23°C18/30°C

8th Jul 2026275 AMAQI
8th Jul 2026316 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026208 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026304 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026446 PMAQI
8th Jul 2026387 PMAQI
8th Jul 2026368 PMAQI
8th Jul 2026339 PMAQI
8th Jul 20263610 PMAQI
8th Jul 20264111 PMAQI
9th Jul 20264312 AMAQI
9th Jul 2026421 AMAQI
9th Jul 2026482 AMAQI
9th Jul 2026503 AMAQI
9th Jul 2026524 AMAQI

24°C16/34°C

9th Jul 2026565 AMAQI
9th Jul 2026576 AMAQI
9th Jul 2026607 AMAQI
9th Jul 2026548 AMAQI
9th Jul 2026529 AMAQI
9th Jul 20264510 AMAQI
9th Jul 20264311 AMAQI
9th Jul 20264612 PMAQI
9th Jul 2026431 PMAQI
9th Jul 2026402 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026347 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026369 PMAQI
9th Jul 20263610 PMAQI
9th Jul 20263311 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026304 AMAQI

24°C18/32°C

10th Jul 2026515 AMAQI
10th Jul 2026426 AMAQI
10th Jul 2026347 AMAQI
10th Jul 2026318 AMAQI
10th Jul 2026369 AMAQI
10th Jul 20263510 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026441 PMAQI
10th Jul 2026432 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026344 PMAQI
10th Jul 2026345 PMAQI
10th Jul 2026346 PMAQI
10th Jul 2026367 PMAQI
10th Jul 2026408 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263710 PMAQI
10th Jul 20264011 PMAQI
11th Jul 20264612 AMAQI
11th Jul 2026511 AMAQI
11th Jul 2026522 AMAQI
11th Jul 2026553 AMAQI
11th Jul 2026594 AMAQI

22°C18/28°C

11th Jul 2026635 AMAQI
11th Jul 2026636 AMAQI
11th Jul 2026617 AMAQI
11th Jul 2026608 AMAQI
11th Jul 2026599 AMAQI
11th Jul 20265810 AMAQI
11th Jul 20265611 AMAQI
11th Jul 20265212 PMAQI
11th Jul 2026591 PMAQI
11th Jul 2026602 PMAQI
11th Jul 2026553 PMAQI
11th Jul 2026534 PMAQI
11th Jul 2026585 PMAQI
11th Jul 2026586 PMAQI
11th Jul 2026677 PMAQI
11th Jul 2026688 PMAQI
11th Jul 2026659 PMAQI
11th Jul 20267110 PMAQI
11th Jul 20267311 PMAQI
12th Jul 20266812 AMAQI
12th Jul 2026721 AMAQI
12th Jul 2026722 AMAQI
12th Jul 2026763 AMAQI
12th Jul 2026794 AMAQI

23°C16/31°C

12th Jul 2026745 AMAQI
12th Jul 2026776 AMAQI
12th Jul 2026767 AMAQI
12th Jul 2026738 AMAQI
12th Jul 2026569 AMAQI
12th Jul 20264010 AMAQI
12th Jul 20264811 AMAQI
12th Jul 20265912 PMAQI
12th Jul 2026571 PMAQI
12th Jul 2026572 PMAQI
12th Jul 2026613 PMAQI
12th Jul 2026604 PMAQI
12th Jul 2026605 PMAQI
12th Jul 2026566 PMAQI
12th Jul 2026687 PMAQI
12th Jul 2026808 PMAQI
12th Jul 2026859 PMAQI
12th Jul 20267810 PMAQI
12th Jul 20268011 PMAQI
13th Jul 20267712 AMAQI
13th Jul 2026831 AMAQI
13th Jul 2026772 AMAQI
13th Jul 2026803 AMAQI
13th Jul 2026784 AMAQI

23°C14/32°C

13th Jul 2026795 AMAQI
13th Jul 2026786 AMAQI
13th Jul 2026737 AMAQI
13th Jul 2026748 AMAQI
13th Jul 2026629 AMAQI
13th Jul 20265810 AMAQI
13th Jul 20265711 AMAQI
13th Jul 20265712 PMAQI
13th Jul 2026601 PMAQI
13th Jul 2026582 PMAQI
13th Jul 2026583 PMAQI
13th Jul 2026544 PMAQI
13th Jul 2026545 PMAQI
13th Jul 2026506 PMAQI
13th Jul 2026427 PMAQI
13th Jul 2026388 PMAQI
13th Jul 2026489 PMAQI
13th Jul 20264910 PMAQI
13th Jul 20266111 PMAQI
14th Jul 20266412 AMAQI
14th Jul 2026631 AMAQI
14th Jul 2026652 AMAQI
14th Jul 2026623 AMAQI
14th Jul 2026654 AMAQI

23°C11/34°C

14th Jul 2026695 AMAQI
14th Jul 2026666 AMAQI
14th Jul 2026587 AMAQI
14th Jul 2026588 AMAQI
14th Jul 2026569 AMAQI
14th Jul 20265410 AMAQI
14th Jul 20265711 AMAQI
14th Jul 20265112 PMAQI
14th Jul 2026521 PMAQI
14th Jul 2026472 PMAQI
14th Jul 2026423 PMAQI
14th Jul 2026354 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026386 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026368 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20263810 PMAQI
14th Jul 20265011 PMAQI
15th Jul 20264412 AMAQI
15th Jul 2026401 AMAQI
15th Jul 2026402 AMAQI
15th Jul 2026333 AMAQI
15th Jul 2026384 AMAQI

29°C20/39°C

15th Jul 2026425 AMAQI
15th Jul 2026546 AMAQI
15th Jul 2026667 AMAQI
15th Jul 20261348 AMAQI
15th Jul 20261759 AMAQI
15th Jul 202618610 AMAQI
15th Jul 202622011 AMAQI
15th Jul 202626212 PMAQI
15th Jul 20263021 PMAQI
15th Jul 20262162 PMAQI
15th Jul 20261963 PMAQI
15th Jul 20261924 PMAQI
15th Jul 20261885 PMAQI
15th Jul 20261846 PMAQI
15th Jul 20261847 PMAQI
15th Jul 20261788 PMAQI
15th Jul 20261709 PMAQI
15th Jul 202617710 PMAQI
15th Jul 202616711 PMAQI
16th Jul 202616612 AMAQI
16th Jul 20261661 AMAQI
16th Jul 20261682 AMAQI
16th Jul 20261813 AMAQI
16th Jul 20262004 AMAQI

28°C21/36°C

16th Jul 20262405 AMAQI
16th Jul 20262866 AMAQI
16th Jul 20262347 AMAQI
16th Jul 20262138 AMAQI
16th Jul 20261829 AMAQI
16th Jul 202618710 AMAQI
16th Jul 202617911 AMAQI
16th Jul 202617612 PMAQI
16th Jul 20261731 PMAQI
16th Jul 20261702 PMAQI
16th Jul 20261663 PMAQI
16th Jul 20261644 PMAQI
16th Jul 20261665 PMAQI
16th Jul 20261676 PMAQI
16th Jul 20261907 PMAQI
16th Jul 20262618 PMAQI
16th Jul 20262839 PMAQI
16th Jul 202629810 PMAQI
16th Jul 202627811 PMAQI
17th Jul 202630212 AMAQI
17th Jul 20263081 AMAQI
17th Jul 20263022 AMAQI
17th Jul 20262683 AMAQI
17th Jul 20262674 AMAQI

24°C17/32°C

17th Jul 20263185 AMAQI
17th Jul 20263066 AMAQI
17th Jul 20263037 AMAQI
17th Jul 20262908 AMAQI
17th Jul 20262309 AMAQI
17th Jul 202619810 AMAQI
17th Jul 202619711 AMAQI
17th Jul 202619412 PMAQI
17th Jul 20261711 PMAQI
17th Jul 20261702 PMAQI
17th Jul 20261683 PMAQI
17th Jul 20261654 PMAQI
17th Jul 20261625 PMAQI
17th Jul 20261646 PMAQI
17th Jul 20261627 PMAQI
17th Jul 20261688 PMAQI
17th Jul 20261749 PMAQI
17th Jul 202617410 PMAQI
17th Jul 202617211 PMAQI
18th Jul 202617812 AMAQI
18th Jul 20261771 AMAQI
18th Jul 20261782 AMAQI
18th Jul 20261743 AMAQI
18th Jul 20261774 AMAQI

23°C14/33°C

18th Jul 20261745 AMAQI
18th Jul 20261756 AMAQI
18th Jul 20261647 AMAQI
18th Jul 20261438 AMAQI
18th Jul 20261339 AMAQI
18th Jul 20268510 AMAQI
18th Jul 20267911 AMAQI
18th Jul 20266912 PMAQI
18th Jul 2026661 PMAQI
18th Jul 2026562 PMAQI
18th Jul 2026613 PMAQI
18th Jul 2026704 PMAQI
18th Jul 2026765 PMAQI
18th Jul 2026986 PMAQI
18th Jul 20261047 PMAQI
18th Jul 20261458 PMAQI
18th Jul 20261549 PMAQI
18th Jul 202613910 PMAQI
18th Jul 20268611 PMAQI
19th Jul 20267712 AMAQI
19th Jul 2026761 AMAQI
19th Jul 2026802 AMAQI
19th Jul 2026713 AMAQI
19th Jul 2026654 AMAQI

24°C18/32°C

19th Jul 2026635 AMAQI
19th Jul 2026686 AMAQI
19th Jul 2026707 AMAQI
19th Jul 2026908 AMAQI
19th Jul 2026889 AMAQI
19th Jul 20266610 AMAQI
19th Jul 20265611 AMAQI
19th Jul 20264612 PMAQI
19th Jul 2026431 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026343 PMAQI
19th Jul 2026334 PMAQI
19th Jul 2026265 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026329 PMAQI
19th Jul 20263210 PMAQI
19th Jul 20263011 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026261 AMAQI
20th Jul 2026262 AMAQI
20th Jul 2026343 AMAQI
20th Jul 2026434 AMAQI

21°C14/26°C

20th Jul 2026435 AMAQI
20th Jul 2026466 AMAQI
20th Jul 2026447 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026349 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026491 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026623 PMAQI
20th Jul 2026604 PMAQI
20th Jul 2026825 PMAQI
20th Jul 2026856 PMAQI
20th Jul 2026967 PMAQI
20th Jul 2026928 PMAQI
20th Jul 2026929 PMAQI
20th Jul 20269410 PMAQI
21st Jul 20269212 AMAQI
21st Jul 2026981 AMAQI
21st Jul 2026942 AMAQI
21st Jul 2026893 AMAQI
21st Jul 2026944 AMAQI

20°C10/28°C

21st Jul 2026865 AMAQI
21st Jul 2026686 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026818 AMAQI
21st Jul 2026769 AMAQI
21st Jul 20267810 AMAQI
21st Jul 20267511 AMAQI
21st Jul 20266812 PMAQI
21st Jul 2026721 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026413 PMAQI
21st Jul 2026284 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026247 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262810 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20262612 AMAQI
22nd Jul 2026201 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026303 AMAQI
22nd Jul 2026344 AMAQI

22°C19/29°C

22nd Jul 2026335 AMAQI
22nd Jul 2026326 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026249 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026204 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026407 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20262210 PMAQI
22nd Jul 20263911 PMAQI
23rd Jul 20263512 AMAQI
23rd Jul 2026281 AMAQI
23rd Jul 2026342 AMAQI
23rd Jul 2026393 AMAQI
23rd Jul 2026334 AMAQI

18°C13/25°C

23rd Jul 2026285 AMAQI
23rd Jul 2026306 AMAQI
23rd Jul 2026327 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20262611 AMAQI
23rd Jul 20262612 PMAQI
23rd Jul 2026241 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026227 PMAQI
23rd Jul 2026308 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262810 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262412 AMAQI
24th Jul 2026271 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026244 AMAQI

18°C10/27°C

24th Jul 2026295 AMAQI
24th Jul 2026306 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20262611 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026261 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026243 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026265 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262811 PMAQI
25th Jul 20263212 AMAQI
25th Jul 2026301 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026414 AMAQI

20°C10/30°C

25th Jul 2026375 AMAQI
25th Jul 2026346 AMAQI
25th Jul 2026347 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026383 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026346 PMAQI
25th Jul 2026327 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026349 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263411 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026411 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026384 AMAQI

22°C15/29°C

26th Jul 2026415 AMAQI
26th Jul 2026416 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20264112 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026412 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026413 AMAQI
27th Jul 2026424 AMAQI

22°C14/29°C

27th Jul 2026415 AMAQI
27th Jul 2026416 AMAQI
27th Jul 2026417 AMAQI
27th Jul 2026428 AMAQI
27th Jul 2026449 AMAQI
27th Jul 20264410 AMAQI
27th Jul 20264611 AMAQI
27th Jul 20264412 PMAQI
27th Jul 2026471 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026556 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026518 PMAQI
27th Jul 2026509 PMAQI
27th Jul 20265110 PMAQI
27th Jul 20265411 PMAQI
28th Jul 20265612 AMAQI
28th Jul 2026521 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026523 AMAQI
28th Jul 2026524 AMAQI

24°C15/32°C

28th Jul 2026565 AMAQI
28th Jul 2026546 AMAQI
28th Jul 2026537 AMAQI
28th Jul 2026568 AMAQI
28th Jul 2026569 AMAQI
28th Jul 20265610 AMAQI
28th Jul 20265711 AMAQI
28th Jul 20265412 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026363 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026426 PMAQI
28th Jul 2026457 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20263711 PMAQI
29th Jul 20263712 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026283 AMAQI
29th Jul 2026284 AMAQI

24°C19/29°C

29th Jul 2026285 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026267 AMAQI
29th Jul 2026248 AMAQI
29th Jul 2026379 AMAQI
29th Jul 20262210 AMAQI
29th Jul 20262811 AMAQI
29th Jul 20262212 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026204 PMAQI
29th Jul 2026205 PMAQI
29th Jul 2026246 PMAQI
29th Jul 2026347 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026261 AMAQI
30th Jul 2026242 AMAQI
30th Jul 2026343 AMAQI
30th Jul 2026294 AMAQI

23°C17/30°C

30th Jul 2026255 AMAQI
30th Jul 2026246 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026248 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026431 PMAQI
30th Jul 2026502 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262611 PMAQI
31st Jul 20262812 AMAQI
31st Jul 2026391 AMAQI
31st Jul 2026232 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026234 AMAQI

23°C14/32°C

31st Jul 2026235 AMAQI
31st Jul 2026226 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026268 AMAQI
31st Jul 2026369 AMAQI
31st Jul 20263010 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20263212 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026512 PMAQI
31st Jul 2026503 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026437 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026409 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264111 PMAQI
1st Aug 20264212 AMAQI
1st Aug 2026451 AMAQI
1st Aug 2026442 AMAQI
1st Aug 2026543 AMAQI
1st Aug 2026504 AMAQI

24°C12/35°C

1st Aug 2026475 AMAQI
5 AM
1st Aug 2026466 AMAQI
1st Aug 2026437 AMAQI
1st Aug 2026478 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264811 AMAQI
1st Aug 20264012 PMAQI
12 PM
1st Aug 2026441 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026433 PMAQI
1st Aug 2026474 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026418 PMAQI
8 PM
1st Aug 2026429 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264211 PMAQI
12 AM
4 AM

25°C17/33°C

Day time
Avg. Highest Time
5 AM - 6 AM

68AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 6 PM

53AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 68), while the lowest AQI was between 3 PM to 6 PM (Avg. 53).
Night time
Avg. Highest Time
4 AM

64AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
11 PM

59AQI

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. 64), while the lowest AQI was between 11 PM to 11 PM (Avg. 59).

2026 Days Vs Air Quality

Brantford, Ontario, Canada

2026

77%

160

21%

44

1%

3

0.9%

2

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
160 Days
Moderate
44 Days
Poor
3 Days
Unhealthy
0 Days
Severe
2 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2026, 77% of 213 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

Brantford, Ontario, 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
8AQI (US)
2nd January 2026
9AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
20AQI (US)
5th January 2026
64AQI (US)
6th January 2026
88AQI (US)
7th January 2026
60AQI (US)
8th January 2026
68AQI (US)
9th January 2026
30AQI (US)
10th January 2026
24AQI (US)
11th January 2026
20AQI (US)
12th January 2026
41AQI (US)
13th January 2026
53AQI (US)
14th January 2026
46AQI (US)
15th January 2026
15AQI (US)
16th January 2026
34AQI (US)
17th January 2026
39AQI (US)
18th January 2026
26AQI (US)
19th January 2026
30AQI (US)
20th January 2026
18AQI (US)
21st January 2026
37AQI (US)
22nd January 2026
52AQI (US)
23rd January 2026
60AQI (US)
24th January 2026
48AQI (US)
25th January 2026
50AQI (US)
26th January 2026
48AQI (US)
27th January 2026
43AQI (US)
28th January 2026
42AQI (US)
29th January 2026
49AQI (US)
30th January 2026
59AQI (US)
31st January 2026
42AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
73AQI (US)
3rd February 2026
72AQI (US)
4th February 2026
44AQI (US)
5th February 2026
54AQI (US)
6th February 2026
76AQI (US)
7th February 2026
39AQI (US)
8th February 2026
42AQI (US)
9th February 2026
45AQI (US)
10th February 2026
48AQI (US)
11th February 2026
39AQI (US)
12th February 2026
39AQI (US)
13th February 2026
52AQI (US)
14th February 2026
84AQI (US)
15th February 2026
79AQI (US)
16th February 2026
100AQI (US)
17th February 2026
114AQI (US)
18th February 2026
61AQI (US)
19th February 2026
47AQI (US)
20th February 2026
50AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
34AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
42AQI (US)
25th February 2026
59AQI (US)
26th February 2026
32AQI (US)
27th February 2026
72AQI (US)
28th February 2026
39AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
52AQI (US)
3rd March 2026
58AQI (US)
4th March 2026
95AQI (US)
5th March 2026
76AQI (US)
6th March 2026
58AQI (US)
7th March 2026
78AQI (US)
8th March 2026
34AQI (US)
9th March 2026
34AQI (US)
10th March 2026
58AQI (US)
11th March 2026
45AQI (US)
12th March 2026
38AQI (US)
13th March 2026
43AQI (US)
14th March 2026
35AQI (US)
15th March 2026
32AQI (US)
16th March 2026
38AQI (US)
17th March 2026
35AQI (US)
18th March 2026
35AQI (US)
19th March 2026
64AQI (US)
20th March 2026
79AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
59AQI (US)
23rd March 2026
39AQI (US)
24th March 2026
34AQI (US)
25th March 2026
45AQI (US)
26th March 2026
60AQI (US)
27th March 2026
29AQI (US)
28th March 2026
30AQI (US)
29th March 2026
35AQI (US)
30th March 2026
42AQI (US)
31st March 2026
65AQI (US)
1st April 2026
30AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
39AQI (US)
4th April 2026
29AQI (US)
5th April 2026
30AQI (US)
6th April 2026
27AQI (US)
7th April 2026
27AQI (US)
8th April 2026
36AQI (US)
9th April 2026
49AQI (US)
10th April 2026
33AQI (US)
11th April 2026
31AQI (US)
12th April 2026
46AQI (US)
13th April 2026
46AQI (US)
14th April 2026
48AQI (US)
15th April 2026
41AQI (US)
16th April 2026
50AQI (US)
17th April 2026
18th April 2026
40AQI (US)
19th April 2026
32AQI (US)
20th April 2026
28AQI (US)
21st April 2026
33AQI (US)
22nd April 2026
23rd April 2026
36AQI (US)
24th April 2026
27AQI (US)
25th April 2026
28AQI (US)
26th April 2026
32AQI (US)
27th April 2026
27AQI (US)
28th April 2026
30AQI (US)
29th April 2026
27AQI (US)
30th April 2026
25AQI (US)
1st May 2026
26AQI (US)
2nd May 2026
23AQI (US)
3rd May 2026
31AQI (US)
4th May 2026
32AQI (US)
5th May 2026
40AQI (US)
6th May 2026
38AQI (US)
7th May 2026
27AQI (US)
8th May 2026
34AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
27AQI (US)
12th May 2026
28AQI (US)
13th May 2026
42AQI (US)
14th May 2026
22AQI (US)
15th May 2026
41AQI (US)
16th May 2026
56AQI (US)
17th May 2026
65AQI (US)
18th May 2026
62AQI (US)
19th May 2026
45AQI (US)
20th May 2026
50AQI (US)
21st May 2026
45AQI (US)
22nd May 2026
43AQI (US)
23rd May 2026
50AQI (US)
24th May 2026
40AQI (US)
25th May 2026
44AQI (US)
26th May 2026
31AQI (US)
27th May 2026
30AQI (US)
28th May 2026
28AQI (US)
29th May 2026
26AQI (US)
30th May 2026
28AQI (US)
31st May 2026
32AQI (US)
1st June 2026
31AQI (US)
2nd June 2026
31AQI (US)
3rd June 2026
30AQI (US)
4th June 2026
29AQI (US)
5th June 2026
43AQI (US)
6th June 2026
46AQI (US)
7th June 2026
36AQI (US)
8th June 2026
30AQI (US)
9th June 2026
49AQI (US)
10th June 2026
44AQI (US)
11th June 2026
37AQI (US)
12th June 2026
28AQI (US)
13th June 2026
27AQI (US)
14th June 2026
27AQI (US)
15th June 2026
26AQI (US)
16th June 2026
27AQI (US)
17th June 2026
32AQI (US)
18th June 2026
32AQI (US)
19th June 2026
25AQI (US)
20th June 2026
24AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
26AQI (US)
24th June 2026
24AQI (US)
25th June 2026
38AQI (US)
26th June 2026
36AQI (US)
27th June 2026
38AQI (US)
28th June 2026
37AQI (US)
29th June 2026
42AQI (US)
30th June 2026
58AQI (US)
1st July 2026
55AQI (US)
2nd July 2026
46AQI (US)
3rd July 2026
36AQI (US)
4th July 2026
36AQI (US)
5th July 2026
51AQI (US)
6th July 2026
43AQI (US)
7th July 2026
35AQI (US)
8th July 2026
31AQI (US)
9th July 2026
42AQI (US)
10th July 2026
35AQI (US)
11th July 2026
60AQI (US)
12th July 2026
67AQI (US)
13th July 2026
62AQI (US)
14th July 2026
51AQI (US)
15th July 2026
145AQI (US)
16th July 2026
204AQI (US)
17th July 2026
222AQI (US)
18th July 2026
123AQI (US)
19th July 2026
53AQI (US)
20th July 2026
52AQI (US)
21st July 2026
60AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
30AQI (US)
24th July 2026
26AQI (US)
25th July 2026
35AQI (US)
26th July 2026
38AQI (US)
27th July 2026
46AQI (US)
28th July 2026
50AQI (US)
29th July 2026
26AQI (US)
30th July 2026
30AQI (US)
31st July 2026
34AQI (US)
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

40AQI (US)

56AQI (US)

49AQI (US)

34AQI (US)

37AQI (US)

33AQI (US)

60AQI (US)

No. of days

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

202644AQI (US)

23
8
16
11
1
19
12
28
27
3
29
1
18
9
2
2
160
44
3
2

Highest AQI (US) recorded in

July

60AQI (US)

Lowest AQI (US) recorded in

June

33AQI (US)

202536AQI (US)

27
4
24
4
29
2
30
31
19
11
26
5
17
11
3
27
3
28
3
26
4
24
7
308
54
3

Highest AQI (US) recorded in

August

51AQI (US)

Lowest AQI (US) recorded in

May

26AQI (US)

202434AQI (US)

25
6
25
4
31
30
24
5
26
2
28
3
22
9
22
8
30
1
30
30
1
323
39

Highest AQI (US) recorded in

January

38AQI (US)

Lowest AQI (US) recorded in

November

27AQI (US)

202342AQI (US)

25
5
26
2
26
5
25
5
26
5
10
16
4
21
9
1
20
11
25
5
29
2
27
2
22
9
282
76
5

Highest AQI (US) recorded in

June

70AQI (US)

Lowest AQI (US) recorded in

October

31AQI (US)

202234AQI (US)

27
3
20
1
27
4
29
28
3
26
4
20
3
1
28
28
3
26
4
29
2
289
27

Highest AQI (US) recorded in

May

38AQI (US)

Lowest AQI (US) recorded in

August

19AQI (US)

202136AQI (US)

22
7
23
5
25
6
26
4
27
4
27
3
23
8
25
6
29
1
30
1
28
2
27
4
312
51

Highest AQI (US) recorded in

July

41AQI (US)

Lowest AQI (US) recorded in

October

28AQI (US)

202033AQI (US)

12
1
21
17
1
28
2
29
2
30
1
28
2
30
1
26
4
26
5
247
19

Highest AQI (US) recorded in

June

37AQI (US)

Lowest AQI (US) recorded in

October

27AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
44AQI (US)
Least Polluted Year Recorded
2020(Avg.)
33AQI (US)

Brantford's annual 2026 AQI (US) (44) shows an average percentage change of 23.5% (worsened AQI (US)) compared to previous years: 2020 (33), 2021 (36), 2022 (34), 2023 (42), 2024 (34), 2025 (36).